11. How do you call the behavior that helps an organism survive in its environment? *
A. modification
B. adaptation
C. evolution
D. survival

13. Which of the following land animals have fur for protection?
A. bear
B. ducks
C. worms
D. eagles

13. If land animals use their lungs to breathe, what do fish use to breathe? *
A. fins
B. gills
C. nose
D. scales

16. Why are the scales of fish overlapping? *
A. to let water slip smoothly as they move forward
B. to make them look more attractive
C. to allow them to swim faster
D. to trap their food easily

18. Is it possible for land animals to live in water? Why? *
A. No, because their body structures are adapted only on land.
B. No, because they will be eaten by sharks and whales.
C. Yes, because there is land beneath the sea.
D. Yes, because they can adapt to it.