Ppt on mammals and egg laying animals called

Turtle Life Cycle.

is birth or germination. In animals it is called birth, whereas in plants it is called germination. Define the term ‘germination’: Germination is when a seed from a plant begins to sprout and grow (such as in the picture/mammals that lay eggs instead of producing live young (the duck-billed platypus is an example of a monotreme). For older or more advanced groups, have a discussion about the difference between ‘placental mammalsand ‘marsupials’: Marsupials are much like other mammals (placental mammals/


Vertebrate Survey Anatomy and Physiology of Vertebrates

, and mammals have internal fertilization (inside female) Fewer eggs are produced Developing embryo is nourished inside the egg by a yolk (food) and wrapped in membranes (called the amniotic egg) Membranes bathe embryo in liquid and receive and store wastes Reproduction Amniotic egg also has a shell for protection and allows for gas exchange Important step in evolution – no water necessary Reproduction How eggs are handled is different amongst vertebrates Oviparous animals lay their eggs, and/


Early Development Chapter 21.

lay eggs in the environment, stores in the egg are the only source of nutrients until it hatches In mammals need stores until the egg implants in the placenta Plants also provide endosperm to nourish the embryo Egg Structure and Function Cortical granules- vesicles filled with enzymes that assist fertilization in egg-laying animals/or furrow, followed by formation of furrows that define the head region and the series of body regions called segments Embryo hatches to from larva Larva forms pupa after a few /


VERTEBRATES AND INVERTEBRATES

backbones: Amphibians Are cold blooded Live on land and in water Have smooth skin Lay eggs These are amphibians Amphibians have backbone: Birds Have feathers Are warm-blooded Have hollow bones and most can fly Lay eggs   Birds have backbone: Mammals Have hair or fur Are warm-blooded Feed milk to their young Bear live young (except monotremes) Mammals have backbones Animals without a Backbone or Spinal Column: VERTEBRATES/


Chapter 33: Mammals Section 1: Mammals.

capable of. Its long tail is useful in maintaining balance as it moves through the trees. Reproduction The three groups of mammals differ greatly in their methods of reproduction Egg-laying mammals, the monotremes, are the most primitive mammals and reproduce much like reptiles Oviparous Lays eggs that are incubated outside the mothers body Once the young hatch, however, they nurse on milk provided by the mother Reproduction/


Vertebrates Abdulla Alsubai 6D.

found in the world. Mammals Dry fur No eggs Milk provided for youngsters 4 limbs Facts about mammals Mammals are warm-blooded animals with hair on their bodies. They also give birth to live young. Well, most of them do, the duck billed platypus and 2 kinds of echidna are mammals but they lay eggs. Because the platypus and the echidna can do this they are called monotremes. What is an/


Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.

Sea horse (Hippocampus ramulosus), unusual in the animal kingdom in that the male carries the young /egg-laying mammals consisting of echidnas and the platypus Figure 34.33 Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Marsupials – Include opossums, kangaroos, and koalas Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings A marsupial is born very early in its development – And completes its embryonic development while nursing within a maternal pouch called/


Ch. 5 – Cell Growth and Reproduction. The Microscope & Cell Theory Robert Hooke first observed “cells” under a microscope in thin slices of cork. Anton.

of Cancer MRI- uses a powerful magnetic field, very accurate but expensive. Blood Tests- some tumors release substances called tumor markers which can be found in the blood. Treatment of Cancer Types of treatment: Surgery- 60% of /the embryo. – The spiny anteater (Echidna) and the duckbilled platypus are unique mammals that lay eggs. – Mammary glands but no nipples – Live in Australia Marsupial Mammals Pouched mammals Give birth very early and the young animal climbs from the mothers birth canal to the pouch/


Vertebrae Evolution & Diversity. Invertebrate Chordates & The Origin of Vertebrates The vertebrates are part of a phylogenetic branch of the animal kingdom.

eggs are leathery and flexible. Most mammals have dispensed with the shell; instead, the embryo implants in the wall of the uterus and obtains nutrients from the mother. Reptiles, birds, and mammals all have specialized membranes within the amniotic call called the extra-embryonic membranes. The extra-embryonic membranes aren’t part of the body of the developing animal/ has no nipples. The platypuses and the echidnas are the only mammals that lay eggs. Monotremes have hair and produce milk. On the belly of/


10/15/2015 CHAPTER 26 ANIMALS. 10/15/2015 ANIMALS Adapted to live in all environments Adapted to live in all environments land, oceans, fresh water, cool.

escape danger Flying enable birds to escape danger Lay eggs with hardened shells – more protected from water loss Lay eggs with hardened shells – more protected from water loss 10/15/2015 BIRDS MAMMALS Three groups: Three groups: Monotremes – egg-laying mammals Monotremes – egg-laying mammals Duck-billed platypus Duck-billed platypus Marsupials – young born prematurely and must be reared in pouches Marsupials – young born prematurely and must be reared in pouches Kangaroos, opossums/


Non-vertebrate Chordates, Fishes, and Amphibians Chapter 30.

classified into 3 groups based on their mode of development and birth. Mammal Diversity & Classification The three groups of mammals are 1. Monotremes (egg laying) 2. Marsupials (pouched mammals) 3. Placentals (develop in a uterus and are nourished by a placenta) The Orders of Mammals Order Monotremata –Egg laying –Includes platypus and echidna Order Marsupialia –Pouched mammals –Bear live young but at a very early stage of development –Young complete development in/


Animal Classes Connor Chung. Guide: This PowerPoint has been made and must be followed by these rules: Most of this presentation is animation controlled.

, eating small animals It then grows into a fully grown Komodo dragon, and lays eggs if female Contents Mammals Mammals are distinguished by: drinking milk, being born live ( But, platypuses lay eggs), and being warm-blooded. Contents SLOW LORIS Slow Lories are mammals unique for their/most populated species, they are also strong for their size and industrial. In fact, they can carry 20 times their body weight! They live in groups called colonies and live inside Anthills. There are currently more than 12000 /


Fishes. Kingdom - Animalia Phylum - Chordata Subphylum - Vertebrata Vertebrates: Vertebrates: Include fish, amphibians, reptiles, birds, & mammals Include.

spawn. Salmon, smelt, shad, striped bass, and sturgeon are common examples Catadromous fishes live in fresh water but migrate to the ocean to breed. Most of the eels are catadromous. Catadromous fishes live in fresh water but migrate to the ocean to breed. Most of the eels are catadromous. Forms of Reproduction Oviparous animals are animals that lay eggs, with little or no other embryonic/


Mr. Karns AP bio for Biology, Seventh Edition Neil Campbell and Jane Reece Chapter 34 Vertebrates; them bones them bones, them dry bones!

(Amphiprion ocellaris), a mutualistic symbiont of sea anemones (c) Sea horse (Hippocampus ramulosus), unusual in the animal kingdom in that the male carries the young during their embryonic development (d) Fine-spotted moray eel (Gymnothorax/ of egg-laying mammals consisting of echidnas and the platypus Figure 34.33 Marsupials – Include opossums, kangaroos, and koalas A marsupial is born very early in its development – And completes its embryonic development while nursing within a maternal pouch called a /


Birds and Mammals What Is a Vertebrate? Fishes Amphibians Reptiles Vertebrate History in Rocks Table of Contents.

Birds and Mammals Class Mammalia Endothermic animals with hair or blubber to keep warm. Reproduce sexually and produce milk through mammary glands to feed their young. Four-chambered heart. Breathing is aided by the diaphragm. Birds and Mammals Three Sub-classes (based on how their young develop) 1. Monotremes—egg-laying mammals. Examples: duck-billed platypus and the echidna. Platypus Echidna Birds and Mammals 2. Marsupials— pouched mammals. Young are born premature and continue/


Vertebrate and Invertebrate Animal Structures (6-3.1) - compare the characteristic structures of vertebrates and invertebrates: detect ways that these.

In others (birds and mammals), their body temperature stays constant regardless of the temperature of the environment. They are called warm-blooded, or endothermic. Fish Cold-blooded (ectothermic); most obtain dissolved oxygen in water through gills; most lay eggs; have scales; have / endotherms? A. reptiles and amphibians B. birds and mammals C. fish and birds D. reptiles and mammals 17) This animal is a(n) __. A. reptile B. amphibian C. mammal D. cnidarian 17) Amphibian (frog)  18) This animal has __. A./


Mammals Kingdom Animalia ---Phylum Chordata ------Subphylum Vertebrata ---------Class Mammalia What do you get when you cross an elephant with a fish?

of Mia’s First Puppy! Domesticated animals have been kept and bred by people - cows, dogs, pigs, horses..etc Biogeography of Mammals Why do animals on different continents look alike? Flying Squirrel and Sugar Glider Answer: Convergent Evolution Unrelated species are adapted to similar environments and similar NICHES Austin’s Sugar Glider Quick Check 1. Mammals that lay eggs are called: ____________ 2. Mammals that carry young in a pouch are/


Insects Amphibians Reptiles Fish Birds Mammals. A small creatures with no bones, six legs, a body divided intothree parts (the head, THORAX, and ABDOMEN),

) are a class of vertebrate animals whose name is derived from their distinctive feature, mammary glands, with which they feed their young. They are also characterized by the possession of sweat glands, hair, three middle ear bones used in hearing, and a neocortex region in the brain. Except for the five species of monotremes (which lay eggs), all mammals give birth to live young. Most/


What is a Desert Like? The desert is a land of extremes: extreme heat and extreme dryness; sudden flash floods and cold nights. Because deserts are such.

animal predators. You can find lots of Prickly Pear Cactus in the Chihuahuan desert. Why do cacti like the Prickly Pear have so many thorns? Dragon Tree How did the Dragon Tree get its name? The Dragon Tree is not from the American deserts. It is from the Canary Islands. It has a sap that hardens to a dark red. People call/ at the top of a tree or on a crag, and the female lays 1 egg. Sidewinder-1 Class: Reptilia: Reptiles Diet: Small mammals Order: Squamata: Lizards and Snakes  Size: body:43 - 82 cm ( 17 -/


Mating Reproductive Strategies in Animals

XX Chromosome number Males 22 pairs + XY Females 22 pairs + XX Sex Determination - Genetics Sex Chromosomes Animal Male Female Human XY XX Birds ZZ ZW Drosophila Grasshopper XO XO means only one chromosome Note : In birds the female gametes determine sex Sex Determination - Genetics Platypus – egg laying mammal Sex determination by 10 sex chromosomes Males XXXXXYYYYY Females XXXXXXXXXX Footnote : The X chromosomes in sperm/


REPTILES & AMPHIBIANS The Rise of Amphibians (Devonian Period)

REPTILES & AMPHIBIANS 3. Double-loop circulation – two large veins called Pulmonary veins return oxygen-rich blood from the lungs to the /(pg. 758-759) REPTILES & AMPHIBIANS Frogs and Toads (4,000 species) 1. These animals are distinctive with their long hindlimbs capable of /and birds as a reservoir for nitrogenous waste, but also as a means for oxygenation of the embryo. Oxygen is absorbed by the allantois through the egg shell . The allantois functions similarly in monotremes, which are egg-laying mammals/


Marine Reptiles, Birds, and Mammals. Vertebrates Vertebrates originated in the ocean 350 million years ago Vertebrates descended from bony fish Land dwelling.

marine animals. Dolphins have a distinct snout, or beak. They are very playful, social and easily trained. They travel in groups called pods Tuna and Dolphins often eat the same fish and usually occur in the same places so dolphins sometimes get caught in fishermen’s nets. Biology of Marine Mammals Streamlined bodies help for easy swimming. Pinnipeds use their flippers for swimming mostly, while sirenians and/


Animal Development Chapter 42.

Baby mammals and reptiles are miniature versions of the adults of their species, undergoing direct development The majority of animals species undergo indirect development - the newborn has a very different body structure than the adult Indirect Development Animals undergo a radical change in body form Amphibians - frogs and toads, most invertebrates Females produce huge numbers of eggs, each containing a small amount of food reserve called yolk/


Chapter 13: Evolution of Social Behavior

animals and had pedigrees that showed relatedness among study animals. Analysis of who called showed that females were much more likely to call than males. Kin selection in Belding’s Ground Squirrels In addition, females were more likely to call/queen dominates egg laying (95% of eggs being hers: she generally eats other females’ eggs). Helpers /and the availability of unoccupied nests. Naked Mole-rats Naked mole-rats are highly unusual mammals. They are nearly hairless and ectothermic. They are eusocial and/


AnimalsLife Cycles Many Changes Groups Vertebrates Invertebrates Adaptations Physical Traits Few Changes (mammals) Behavior.

called a caterpillar. 3 PUPA Inside a hard covering, the larva’s body changes. 4 The adult butterfly comes out of the chrysalis. Adult butterflies lay eggs. Vertebrate Life Cycles Vertebrates have different kinds of life cycles. Some vertebrates, like frogs, go through many changes as they grow and mature. Other vertebrates, like pandas or monkeys, do not change as much. A Mammal/to protect its head. Behaviors That Help Animals Behaviors are things that animals do. Animals are born being able to do some /


Unit X: Mammals of Kansas Information. Introduction to Mammals Class Mammalia Class Mammalia There are 88 species of mammals native to Kansas. There are.

they are only functional in females. Mammals are covered with fur/hair and they nurse their young with milk produced by mammary glands. Males and females have these glands, but they are only functional in females. Mammals cont. Three types of mammals Three types of mammals Monotremes: egg-laying mammals. They are not very common at all. The platypus is an example. Monotremes: egg-laying mammals. They are not very common at/


Animal Kingdom. Heterotrophs Multicellular and eukaryotic with no cell walls Invertebrates –95% of all animals –No backbone or vertebral column.

gills Method of reproduction: lay eggs in water Aquatic animals Streamline shape 2-chambered heart/eggs and sperm into surrounding water is called ___. a. asexual reproductionc. internal fertilization b. asexual fertilizationd. external fertilization 2. The process in which eggs are fertilized inside the body of a female is called ____. a. internal fertilizationc. external fertilization b. asexual fertilizationd. asexual reproduction 3. What does an ectotherm use to warm up? 4. Egg-laying mammals are called/


1. SEXUAL AND ASEXUAL 2. LIFE CYCLES OF PLANTS AND INSECTS 3. FLOWERS AS REPRODUCTIVE STRUCTURES 4. REPRODUCTIVE STRATEGIES IN ANIMALS.

i.e. birds, reptiles and mammals.  Marine mammals and some fish e.g. sharks and rays also have internal fertilisation.  Mating and copulation occurs.  Most animals have cloaca – common opening for reproduction and egestion – during fertilisation cloacas are lined up.  Male insects and mammals have a penis – organ to transfer sperm to body of female.  Fluid inside female provide medium for sperm to swim towards egg cell(s). Lorraine Kuun, July/


Mrs. Angelo-Kuzar’s 2 nd Grade Class Animal Reports “2011-2012” School Year.

workers, soldiers, and a queen. The queen lays eggs the rest of her life. Did you know most of them live for 6 to 10 weeks and some can live for up to 15 years? I chose this animal because I am going to be observing them this summer. By, Luke Can you guess the name of my animal? It belongs to the animal group called mammals. It looks/


1. SEXUAL AND ASEXUAL 2. LIFE CYCLES OF PLANTS AND INSECTS 3. FLOWERS AS REPRODUCTIVE STRUCTURES 4. REPRODUCTIVE STRATEGIES IN ANIMALS.

i.e. birds, reptiles and mammals.  Marine mammals and some fish e.g. sharks and rays also have internal fertilisation.  Mating and copulation occurs.  Most animals have cloaca – common opening for reproduction and egestion – during fertilisation cloacas are lined up.  Male insects and mammals have a penis – organ to transfer sperm to body of female.  Fluid inside female provide medium for sperm to swim towards egg cell(s). Lorraine Kuun, July/


Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.

Sea horse (Hippocampus ramulosus), unusual in the animal kingdom in that the male carries the young /egg-laying mammals consisting of echidnas and the platypus Figure 34.33 Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Marsupials – Include opossums, kangaroos, and koalas Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings A marsupial is born very early in its development – And completes its embryonic development while nursing within a maternal pouch called/


Nonvertebrate Chordates, Fishes, and Amphibians Many species of fish swim together in large groups called schools This school of double- saddle butterflyfish.

Each embryo develops inside its egg, using the yolk for nourishment –The young are then “born alive,” like the young of most mammals –A few fish species, including several sharks, are viviparous viviparousIn viviparous animals, the embryos stay in /Fertilization: internal –Male: Modified fins called claspers grasp the female Sperm moves through grooves in the claspers Eggs of most species develop internally (born live) A few species lay yolky eggs SHARK BODY DESIGN Sharks and Their Relatives Most of the 350/


Vertebrate Characteristics Fish, Amphibians, Reptiles, Birds, and Mammals.

. This is something that makes mammals different, because most other kinds of animals do something else... Fish lay many eggs - sometimes millions of tiny eggs! They are also laid in the water. The process amphibians go through is called "metamorphosis". Baby amphibian looks completely different than the adult amphibians! Amphibians lay thousands and sometimes millions of small, soft eggs, and they lay them in the water! The eggs are jelly-like. Amphibian/


9 Animal Phyla + Plant Slides. Invertebrates 2 copyright cmassengale.

years ago –An astonishing variety of animals inhabited Earth’s oceans One of these types of animals –Gave rise to vertebrates, one of the most successful groups of animals The animals called vertebrates –Get their name from vertebrae/group of egg-laying mammals consisting of echidnas and the platypus Figure 34.33 Marsupials –Include opossums, kangaroos, and koalas A marsupial is born very early in its development –And completes its embryonic development while nursing within a maternal pouch called a /


Chapter 16 Mammals. Animals-Vertebrates-Mammals On the fifth and sixth days of creation God created a new kind of being: “the moving creature that hath.

time, but are replaced 5 times over their lifetime. Order Sirenia Often called “sea cows” Include manatees and dugongs Dugongs live in smaller seas like the red sea Manatees are larger and live in larger coastal waters around the Caribbean and Florida. Order Monotremata The only oviparous (egg-laying) mammals in existence Includes the echidna (spiny anteater) and the duckbill platypus Both only live in Australia, New Guinea/


Science Animals Vertebrates with backbones What do snakes, birds, spiders, and cats have in common? They are animals. They move. They reproduce. They.

lay eggs in the water. Baby amphibians breath with gills. Amphibians are cold-blooded. Mammals have backbones Mammals give birth to live babies. Baby mammals must be fed and cared for by their parents. Mammals are warm-blood. Mammals are covered with hair or fur. Mammals use lungs to breath. Animals with a backbone, an internal skeleton are called vertebrates Fish, birds, reptiles, amphibians and mammals are vertebrates Fish, birds, reptiles, amphibians and mammals have/


AHSGE Biology Content Standard 1 – Select appropriate laboratory glassware, balances, time measuring equipment, and optical instruments to conduct an.

and turtles. - Reptiles are air-breathing animals, although many live not only on land but in water. -The most noticeable feature of reptiles are the scales that cover their body. The majority of reptiles lay eggs/usable form. The process of converting nitrogen is called fixation. There are specialized bacteria whose function it/and palms are present in tropical forests. 6.Animals include numerous birds, bats, small mammals, and insects. The desert biome Deserts cover about one fifth of the Earths surface and/


Reptiles and Birds Life Science. Reptiles Reptiles are vertebrates that have lungs, scaly skin, and a special type of egg. Reptiles are vertebrates that.

and animals. Turtles can eat both plants and animals. Alligators and Crocodiles Alligators and crocodiles are large meat- eating lizard-like reptiles. They have long snouts, powerful tails, and thick, armored skin. Alligators and crocodiles spend much of their time submerged in water. They are nocturnal and hunt everything from insects to hoofed mammals to Jr. High kids. They also build nest to lay their eggs in. Birds Birds are warm blooded egg-laying/


Unit 2 Lesson 5 Introduction to Animals Copyright © Houghton Mifflin Harcourt Publishing Company.

to Animals What groups make up the diversity of animals? Tunicates, such as sea squirts, are small, sac- shaped animals. Lancelets are small, fish-shaped animals. Tunicates and lancelets, along with vertebrates, are part of a group of animals called /few, such as penguins, cannot. Mammals have hair, a jaw, and three middle-ear bones, and they produce milk. Monotremes are mammals that lay eggs with shells. Unit 2 Lesson 5 Introduction to Animals Copyright © Houghton Mifflin Harcourt Publishing Company/


Biodiversity:. Success Criteria: 1.I can state what is meant by the term classification. 2.I can describe the difference between invertebrates and vertebrates.

you think you know which group the animal (vertebrate) belongs to, you must call out your buzzer noise! Girls – bang!Boys – pop! Then the whole class will be asked a question. Then, we start again with a different boy and girl. 1. I live mainly /mammal. I am a Mammal!  Student Task! Which group do I belong to? Score out of 4? 1. I have green and brown moist skin. 2. I can run on water. 3. I lay about 20 jelly covered eggs at a time in water. 4. I am cold blooded. 5. I feed on both flowers and small animals/


Today: More classification and diversity of life–starting animals!

group of living things contains groups you learned in elementary school (reptiles, mammals, etc.)? A.Domain B.Kingdom C.Phylum D.Class Amphibians (means two lives) Skin must stay moist (breathe through it!) Lay eggs in water Babies develop in water and then later move to land Reptiles Covered with scales Lay eggs on land Breathe with lungs Ectothermic (cold-blooded)- their internal body temp. depends/


Animals With Backbones

AMPHIBIAN FISH MAMMAL BIRD REPTILE Animals With Backbones Animals with backbones are called vertebrates. Vertebrates include many different kinds of animals. They can be found just about everywhere – in oceans, rivers, forests, mountains, and deserts. Animals with backbones can be broken up into classes by characteristics. They are: Bird Characteristics All birds are classified in the class aves. Birds lay hard shelled eggs that hatch in their nest. There/


Dear Parents and Visitors, Welcome to our presentation! During science we investigated animals, their unique characteristics, habitats, and life cycles.

I am a mammal. I have black fur and I am warm-blooded. I am an omnivore because I eat fish, small animals, berries, and grass. I have sharp teeth and big claws. I make my shelter in a cave. I hibernate in the winter. I am big and fat. My babies are called cubs. Who /I am covered with scales. I live on land. I live in South Carolina in peoples backyards. I dig a hole and lay leathery eggs in it. I can open and close my shell like a box to protect myself from enemies. Who am I? By Jay Laughter I am a reptile /


Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 28 Mammals.

postponed to align birth with a favorable season. Animals with only one breeding season a year are monestrous; recurrent breeding is polyestrous. Reproductive Patterns Egg-Laying Monotremes Monotremes, such as the duck-billed platypus, lay eggs with one breeding season per year. Eggs are fertilized in the oviduct before albumin and a thin, leathery shell are added. She lays eggs in a burrow nest where they are incubated for/


Classification.

bone Have inner ear bones Produce milk for their young Mammals Mammals have larger brains and seem to be the most capable  learners.  All mammalian mothers nourish  their babies with milk. Fish Characteristics: Are cold-blooded vertebrate (backbone) Live in water Usually have paired fins, gills, and scales Fish Most fish lay large numbers of eggs, but some have live birth. Most fish breathe by drawing/


Teaching & Learning Events Begin to design reading activities that will help your students comprehend the content of complex text and reach the benchmarks.

lay so many eggs? 1. I wonder... 2. what horses eat? 3. where horses live? 4. how horses help people? I wonder…? Choose a book, turn the pages and WONDER Write “I wonder… (about animals)?” Wonder and/ Note: this was a second unit and this team created their own format for organizing information. Then they called 1-800-flowers Organizers for Note-taking/ Definition Is warm-blooded, has fur and makes milk. An example is a human. A spider is not a mammal Mammal Examples Non- examples human squirrel dog bat/


Chapter 34 Vertebrates. A. Invertebrate Chordates and the Origin of Vertebrates  The vertebrates belong to one of the two major phyla in the Deuterostomia,

active metabolism, made possible by efficient respiration and circulation.  Adaptations include a muscular diaphragm and a four-chambered heart.  Mammals belong to a group of amniotes known as synapsids.  Modern mammals are split into three groups: monotremes (egg-laying mammals), marsupials (mammals with pouches), and eutherian (placental) mammals.  Monotremes—the platypuses and the echidnas—are the only living mammals that lay eggs.  The reptile-like egg contains enough yolk to nourish the developing/


Kingdom Animalia Phylum Chordata The vertebrates and their relatives.

into three groups based on methods of development and birth –Oviparous: egg-laying mammals are called monotremes –Viviparous: includes both placental mammals and marsupials Caring for Young All newborn mammals feed on their mother’s milk Some newborns are helpless at birth and must be cared for Others are able to see and walk within minutes after birth Monotremes Monotremes are the egg laying mammals They share two notable characteristics with reptiles –Both/


Animal Unit If you see green, it is a hyper link to a video or a web site. Just click on it to view.

/Amphibians Reptile/Amphibians Reptile/Amphibians Birds have backbones; are warm-blooded (endothermic); breathe with lungs; lay eggs; have feathers; and have a beak, two wings, and two feet. Birds have backbones; are warm-blooded (endothermic); breathe with lungs; lay eggs; have feathers; and have a beak, two wings, and two feet. Birds Birds Mammals have backbones; are warm- blooded (endothermic); breathe with lungs; have babies that are born live/


Ectoparasitic Arthropods: lice, fleas, ticks and mites.

consume the dead skin and other dirt and dust from the host animal. Life Cycle Fleas mate on their host animal and lay their eggs either onto the animal where they fall to the nest or directly in the nest. The small larvae hatch from the eggs and do not begin to / glues the feeding tick in place; the substance dissolves after feeding is complete. Hard ticks seek hosts by an interesting behavior called "questing." Questing ticks crawl up the stems of grass or perch on the edges of leaves on the ground in a /


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