Adaptations/Traits/Changes to Ecosystem Review

Which characteristic would most likely be inherited by a baby?

• brown hair
• crying a lot
• ability to jump high
• his ability to talk

A dog playing fetch is an example of?

• inherited trait
• learned behavior 

A plant leaning towards the sun

• inherited trait
• learned behavior 

Corina was sitting at her desk reading a book for several hours. After yawning, Corina

noticed it was after 10 p.m. and decided to brush her teeth and go to bed. Which of

Corina’s actions is a learned behavior?(4.10B)

• reading a book

• reading a clock

• brushing her teeth

• all of the above

Which of the following characteristics would be a learned behavior?

• a frog hides beneath the surface of a pond

• a rabbit stays very still when a dog approaches

• a dog chases squirrels and other small animals

• a parrot says “good morning”

Birds' beak size

• inherited

• acquired

Everyday a rancher feeds his new horses in the barn at 5:00 p.m.   Soon the horses start heading for the barn at 4:55 p.m.  This behavior is an example of-

• an instince
• an inherited behavior
• a migration pattern
• a learned behavior

In the Florida Everglades, alligators are a predator. The alligators’ main food source is a fish called the gar. Bass are a food source for the gar. If the alligator population in the Everglades decreases, what possible effect could that have on the bass population?

• The bass population would increase because the gar population would increase.

• The bass population would increase because the gar population would decrease.

• The bass population would decrease because the gar population would decrease.

• The bass population would decrease because the gar population would increase.

A simple food chain includes hawks, lizards, and insects. Which will most likely happen to the lizard and hawk populations if a pesticide is sprayed to kill the insects, and the lizard and hawk populations cannot find other food in this ecosystem?

• Both the lizard population and the hawk population will increase.

• Both the lizard population and the hawk population will decrease.

• The lizard population will increase, but the hawk population will decrease.

• The lizard population will decrease, but the hawk population will increase.

When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?

• Non-native plants are able to mutate rapidly

• Non-native plants cause native animals to relocate

• Non-native plants are able to be used for medicine

• Non-native plants compete with native plants for resources