Classifying Animals

Which action will be most helpful in getting animals off of the endangered species list?

• move animals to zoos
• move animals to farms
• protect the habitat of the animal
• give different food to the animals

Which set of animals contain only mammals?

• centipede, earthworm, snake
• cat, bat, deer
• turtle, seagull, frog
• butterfly, bird, bat

Which animal moves by mostly moving its tail?

• bird
• dog
• fish
• monkey

You can identify a mammal by looking at its

• sand
• hair
• water
• air

Mammals are animals that require what to breathe?

• gills
• skin
• lungs
• warm blood

Animals that began their life in water, but live most of it on land are

• mammals
• amphibians
• reptiles
• birds

What are gills?

• structures that fish use to take in oxygen
• structures that fish use to swim
• structures that birds use to take in oxygen
• structures that birds use to fly

What is one thing all animals have in common?

• All animals have fur
• All animals breathe through lungs
• All animals can walk
• All animals eat other organisms for food

Most of the animals on Earth are

• vertebrates
• invertebrates
• arthropods
• mollusks

Which animal group spends part of their lives in the water and part on land?

• fish
• reptiles
• amphibians
• mammals