Fish, Amphibians, Reptiles, birds, and mammals

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Slide 1

Fish, Amphibians, Reptiles, Birds, & Mammals


Mrs. Meredith Sanders


Slide 2

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

Slide 3

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.

Slide 4

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

Slide 5

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

Slide 6

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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