Science Unit 4: Adaptations and Survival in an Environment

What makes up an ecosystem?

• soil and water

• living things and trees

• all of the living and non-living things in an area

• rocks and non-living things

How do adaptations help a plant or animal to survive?

• adaptations help animals get food

• adaptations help animals move

• adaptations help protect animals

• all of the above

Which animal is most likely able to survive in an environment?

• the fastest runner

• the animal that has the best adaptations (is the "fittest")

• animals with brown fur

• animals that can fly

Which natural physical event might cause animals to move from their environment?

• drought

• average rainfall

• building construction

• normal temperatures

Which part of a rose bush is most responsible for protecting it from predators?

• flower

• leaf

• roots

• thorns

How does construction of buildings affect the ecosystem for animals living there?

• increases the food available to the animals

• increases the space available to the animals

• decreases the food and space available to the animals

• it does not change the ecosystem

What could happen in an environment that could be harmful to living things?

• drought or flood

• fire

• extreme weather

• all of the above

Which adaptation most helps lemurs to live high in the trees of tropical forests?

• soft, gray fur that keeps them warm in cool weather

• strong, long tails that can be curled around branches

• small, black eyes that allow them to see well at night

• sharp, razor-like teeth that can be used to tear apart food

Which adaptation most helps a tuna fish to swim fast in order to catch its prey?

• large fins

• sharp teeth

• small gills

• tough scales

Why do animals migrate?

• to find food

• to cope with changing temperatures

• to find water

• all of the above