Animal Adaptations Lesson 1 Quiz

Jake found that more than half the students in his class have brown eyes. How is eye color in humans classified?

• as a behavior
• as an instinct
• as a structure
• as a trait

• Only the green ones survive.
• Only the brown ones will have offspring. 
• Over time, more brown beetles will survive and have offspring. 
• Over time, more green beetles will survive and have offspring.

Jennifer says that when she spends a lot of time outdoors her hair begins to turn lighter in color. What is the most likely cause for this change in color?

• environment
• instinct 
• learned behavior 
• inherited genes 

Canada geese travel north when the weather gets warm in the spring. Then they travel south when it gets cold in the late fall. Suppose that the spring temperature stayed cold two weeks longer than usual. How would that change the behavior of the geese?

• They would not travel north at all. 
• They would travel north at the usual time.
• They would travel north about two weeks later.
• They would travel north about two weeks earlier. 

Tornadoes in Indiana damage trees. If an oak tree loses half of its branches, what will its offspring look like?

• They will have no branches. 
• They will have twice as many branches.
• They will have the normal number of branches. 
• They will have half the normal number of branches.

A plant’s or an animal’s environment can change some of the plant’s or animal’s physical traits. Which trait can be changed by the environment?

• gills on a catfish 
• number of stripes on a zebra 
• color of a hydrangea’s flowers 
• shape of a tree’s leaves 

Sam looks a lot like other members of his family. Which is a characteristic that Sam probably did not inherit from his parents?

• size of his feet 
• shape of his ears
• color of his eyes 
• length of his hair 

Which of these is a plant adaptation for living in the desert?

• shallow roots
• long vines
• slender stems
• waxy leaves

Which of these is a plant adaptation for living in fast-moving streams?

• stiff stems
• floating leaves
• flexible stems
• needle-like leaves

Which animal is least likely to be affected by insect-killing chemicals?

• robin
• squirrel
• butterfly
• bee