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Fish, Amphibians, Reptiles, Birds, & Mammals

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

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Fish, Amphibians, Reptiles, Birds, & Mammals

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  1. 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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