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Animal Life Cycle Answer Key

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Kinds of Animals
#1 What two major categories do scientists use to classify animals? backbones, no backbones
#2 True or False: DO mammals, amphibians and reptiles all have backbones? Yes
#3 What do animals without backbones have to protect themselves? shells
#4 An alligator is a cold-blooded animal that is classified as a reptile or mammal? reptile
#5 An animal, like frog, that can live on land and in water is called a ______? amphibian
Mammals
#1 All animals, including mammals, go through a _______ cycle. life
#2 Which animal is a mammal: elephant, toad, iguana, jellyfish? elephant
#3 True or false: baby mammals need mother's milk and protection to survive? True
#4 Which animal would feed its young milk: chicken, spider, cat, dragon fly cat
#5 Name three traits a baby elephant would share with its parent. size, shape, limbs, color, diet, communication,
Animals From Eggs
#1 Why do some animals lay many eggs? Some of the young won't survive
#2 Do animals that lay eggs always take care of eggs? after they lay them? No
#3 What is called when young crabs shed their shells so they can grow bigger? molting
#4 Name the 4 stages of a buttefly's life cycle. egg, caterpillar (larva), pupa, adult butterfly
#5 What does an adult butterfly do after it has hatched?
Animal Traits
#1 A group of the same animal that live in the same area is called__________. a population
#2 Name three traits giraffes share. long neck, spots, long legs, eat same food
#3 What trait helps a zebra stay safe? Its stripes or coloring
#4 True or false: black bears that live in Canada are in the same population as black bears that live in Wyoming. False
#5 Name two ways animals in the same population are the same and two ways they may be different. Same: Different:
#1
#2
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Final Question