To learn about changes in a habitat over a very long time, a person could. A) make a list of plants and animals that live there B) compare fossils to animals that live there now

What are animals that eat other animals called? A) prey B) predators

What would a plant need to survive in a desert? Why? A) roots that spread out far and wide B) a thin stem

Which is true about a dinosaur? A) It is endangered B) It is extinct

What is at the beginning of all food webs and chains? A) sunlight B) animals

What would an animal need to survive in a desert? Why? A) Animals need to survive with little water B) animals need to survive with lots of water

What would happen to a predator its prey disappeared? Why? A) It would die because there is no food to eat B) it would be very happy because it doesn't need to fight other animals for food

Why do some animals become endangered? A) Their habitats change B) They eat other animals

Some habitats change from season to season. How do some animals that live there survive? A) They eat more plants B) They adapt to their new habitat

What are animals in cold habitats likely to have? A) thick fur B) dry skin

What is one way animals help plants? A) They spread seeds B) They build shelters

Why do some plants look different from other plants? A) They are eaten by animals B) They grow in different habitats