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Kingdom Animalia Phylum Chordata

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Presentation on theme: "Kingdom Animalia Phylum Chordata"— Presentation transcript:

1 Kingdom Animalia Phylum Chordata
Most are classified as VERTEBRATES – organisms with a backbone

2 Supraclass Pisces Fish
Ectothermic - cold-blooded Gills for gas exchange Water habitat Scavengers, carnivores, predators, parasites Swim with fins External fertilization (bony fish) Separate sexes Bilateral symmetry

3 Class Agnatha Jawless Fish – lampreys & hagfish
Lampreys: live in salt and freshwater Parasitic- round mouth lined with teeth Slimy skin, no scales

4 Hagfish: scavengers Use 6 short tentacles surrounding the mouth to find its food Blind

5 Class Chondrichthyes Cartilaginous Fish – shark, ray, & skates
Sharks paired fins streamlined bodies predators - rely on sense of smell and movement Rays and Skates flat, wide bodies with long thin tails for life on ocean bottom large pectoral fins (look like wings)


7 Class Osteichthyes Bony Fish – ex. Perch, trout, bass
scales covering the body skeleton made of bone swim with the aid of fins have swim bladder that works like a balloon


9 Class Amphibia – frogs, toads, salamanders, & newts
Characteristics “Double Life” -lives part of its life in water and part on land ectothermic no scales or claws Have thin, moist skin

10 larvae are herbivores, adults carnivores
larva have tails to move in water external fertilization with no parental care lay eggs without shells in water

11 Body Plan Bilateral symmetry 3 chambered heart
Larvae breathe through gills; adults breathe through lungs Breathe through thin, moist skin (produces mucus) Changes from larva to adult through the process of metamorphosis

12 Class Reptilia – snakes, lizards, turtles, alligators
Characteristics First vertebrate to live and reproduce entirely on land Ectothermic Carnivores or omnivores Have scales and claws Internal fertilization with no parental care Lay amniotic eggs with leathery shells

13 Body Plan Bilateral symmetry 3 chambered heart Breathe through lungs
Dry, scaly skin prevents water loss


15 Class Aves Birds Characteristics Endothermic
Has feathers and two legs covered with scales Front limbs are wings Beaks, claws and good vision help birds get food Carnivores, herbivores, insectivores Internal fertilization Amniotic eggs with hard outer shell

16 Body Plan Wings 4-chambered heart Lungs Hollow bones
Strong breast muscles




20 Class Mammalia Characteristics
Hair or fur at some stage of development Give birth to live young (except Monotremes) Endotherms Herbivores, carnivores and omnivores Walk, swim, or fly Sexual (egg and sperm) with separate sexes Internal fertilization

21 Body Plan Internal skeleton Complex organ systems
Mammary glands (for milk) Four-chambered heart Lungs

22 Marsupials (live young develop in a pouch)
Monotremes (lay eggs) Duckbill platypus Marsupials (live young develop in a pouch) Kangaroos, koalas Placental (young develops internally) 12 Orders with examples such as Primates Bats Whales & dolphins Walrus & seals Hoofed livestock Rodents Bears Elephants

23 Monotreme Marsupials




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