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6th gr Vertebrates

review for test

Characteristics of Jawless fish do not have jaws & were the first vertebrates
Characteristics of cartilaginous fish skeletons are make of cartilage, are cold blooded, and must keep swimming
Characteristics of bony fish have a hard skeleton, are cold blooded, and have a swim bladder
Characteristics of amphibians lays eggs with no shell in water, live in water when young, on land as adults, are cold blooded
Characteristics of reptiles have lungs, have hard scales, most lay eggs with soft shells, are cold blooded
Characteristics of birds have feathers, lay eggs, have wings, are warm blooded
Characteristics of mammals mothers feed young milk, are covered in fur or hair, have sweat glands, give birth to live babies, and are warm blooded
people, bat, cow, dolphin, dog examples of mammals
robins, geese, ducks examples of birds
snakes, lizards, turtles, crocodiles examples of reptiles
frogs, toads, salamanders examples of amphibians
trout, goldfish, tuna examples of bony fish
sharks, rays, skates examples of cartilaginous fish
hagfish, lamprey examples of jawless fish
habitat loss, overhunting, pollution, exotic species Why are animals endangered?
build parks or reserves, support & pass laws, restore destroyed lands, breed & raise endangered species in zoos, limit hunting of animals, limit pesticides What can people do to help endangered species?
chordate any animal that at sometime in its life has a large nerve cord running down its back
endoskeleton an internal skeleton
cartilage tissue that is softer than bone but harder than flesh -- the tip of your nose is made of it
tetrapods four footed vertebrates
mammary glands organ in female mammals that produce milk for their young
cold blooded animals that are not able to keep its body temperature constant and warm
warm blooded animals that are able to keep their body temperatures constant and warm
Created by: cariherbst