2. Write “T” if an answer is true. Write “F” if an answer is false.
6. Earth has many different environments. ________
7. All plants and animals have traits that help them survive in any type of
environment.________
8. We cannot study fossils to learn about extinct organisms.__________
9. A trait called camouflage helps an animal blend in with its
environment.___________
10. A kind of organism is threatened when there are no more left
alive.__________
11. In 2000, a team of scientists found a dinosaur fossil covered with
feathers.___________
12. A population is all the members of every species in an
environment._____________
13. An animal would most likely migrate to find its family._____________
Classify each of these organisms as thriving, threatened, endangered, or extinct.
Explain why they are classified this way.
14. Squirrel ____________________________________________________
15 .spotfin chub ________________________________________________
16. Guthrie’s groundplum ________________________________________
17. Triceratops _________________________________________________
18. Woolly Mammoth ____________________________________________
19. The Saint Helena Olive ________________________________________
Short Essay:
20. Choose two environments that we have studied in this chapter to compare.
Tell the name of your two environments. Then list three ways they are alike, and
three ways they are different. (Write on the back of this paper!)
