1. Fish, Amphibians, Reptiles, Birds, & Mammals
Vertebrates
Fish, Amphibians, Reptiles, Birds, & Mammals
By:
Mrs. Meredith Sanders

2. Fish Chambers in their heart: 2 Structures for movement: Fins
Reproduction: Lay eggs in the water
Organ that keeps them afloat: Swim bladder
Body temperature: Cold-blooded
Breathe: Through gills

3. Amphibians Spend part of their lives in water and part on land
Do not have scales or hair
Some have tails throughout life and some lose their tail (Salamanders have tail throughout life; frogs lose their tails when they get to be adults)
Caecilians have no limbs
Frogs have smooth, moist skin; Toads have rough, dry skin.
Newts have tails throughout life.
Amphibians use color as camouflage and also to warn others of their danger.
Amphibians burrow in the mud during winter and absorb oxygen through their skin.

4. Reptiles Covering:Dry protective scales or plates
4 limbs with clawed toes
Turtles that live in water have flippers instead of clawed toes
Largest reptiles:crocodiles and alligators
Eggs are leathery

5. Birds Body Temperature: warm-blooded Down feathers to keep warm
Contour feathers to fly
Getting oxygen: though lungs and air sacs
Muscles used to fly: Chest muscles
Three ways that flying is useful: escape predators, find food, and migrate
Adaptations for flight: tiny holes in bones to make them lighter, streamlined shape, lightweight beak, & no teeth

6. Mammals Chambers in heart: 4 Have hair
Mammary glands to give milk to young
Have live birth
Monotremes: lay eggs
Marsupials:pouched mammals that give live birth and babies crawl into pouches until matured
Placentals: give live birth; baby attached with umbilical cord

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