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Animal Classification Answer Key

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Warm or Cold?
#1 True or False: Warm-blooded means an animal's body temperature will stay the same. The temperature outside does not matter to the animal. True!
#2 True or False: Cold-blooded means an animal's body temperature is the same temperature as outside. True!
#3 Warm-blooded or Cold-blooded: Fish are ____. Why? Fish are cold-blooded because their temperature is the same as their environment (the lake or water).
#4 Warm-blooded or Cold-blooded: Amphibians are ____. Why? Amphibians, like frogs and turtles, are cold-blooded because their temperature is the same as their environment.
#5 Warm-blooded or Cold-blooded: Birds are ____. Why? Birds are warm-blooded because their body stays the same temperature all the time. The environment temperature (cold or hot weather) doesn't matter.
BODY Coverings
#1 Describe a reptile's body. If you touch a reptile, it would feel _____. dry, leathery
#2 Amphibians have skin that is ______. thin. Air can pass through their skin! Can air go through your skin?
#3 Mammals have ________ or _______ all over their bodies. hair or fur
#4 Fish have ______ all over their body. scales
#5 Fish use ______ to breathe. gills
Examples of Animal Classification
#1 A duck, robin, and eagle are all _______. birds
#2 A trout, shark, and walleye are all _______. fish
#3 A crocodile, turtle, and snake are all _______. reptiles
#4 A cat, rabbit, and koala bear are all _______. mammals
#5 An ostrich, crane, and hawk are all _______. birds
Vertebrate or Invertebrate?
#1 Which is NOT in the vertebrate group? birds, fish, mollusks, or reptiles. Why? Mollusks because birds, fish, and reptiles all have a spine, so a mollusk must not have a spine.
#2 Which is a vertebrate? squirrel, octopus, crab. Why? A squirrel because a squirrel has a backbone/spine.
#3 True or False: A spider is a vertebrate animal. Why? False because a spider does not have a backbone/spine.
#4 True or False: A swan is an invertebrate animal. Why? False because a swan has a backbone/spine. It is a vertebrate animal.
#5 True or False: Vertebrates are classified into five main groups: mammals, birds, reptiles, amphibians, and fish. True. All vertebrates have a skeleton inside their body.
Miscellaneous Categroy--A little bit of this, a little bit of that...
#1 True or False: All birds lay eggs with a hard shell. True!
#2 True or False: A human is a reptile. False! A human is a mammal.
#3 True or False: All birds have feathers and can fly. False! All birds have feathers, but not every bird can fly. A penguin and ostrich do not fly.
#4 True or False: If I touch a 'cold-blooded' animal, their body will feel cold. False. A cold-blooded animal means that the animal's body temperature will be the same temperature as their environment.
#5 True or False: A frog has a life-cycle. Can you name the stages? True. A frog's life cycle is an egg, a small tadpole, a bigger tadpole with legs and a tail, and an adult frog.
Final Question
What an animal adaptation for? Can you give two examples of an animal adapation? An adapatation is a body part or animal behavior that helps an animal survive in its surroundings. For example: 1. fish have gills to breathe underwater 2. Some birds have webbed feet to help them swim fast.