1. Which of these traits is determined by an animal's parents and NOT by its environment or life experiences?
- A. A scar from a past injury.
- B. A dog knowing how to 'sit' on command.
- C. The natural color of a bear's fur.
- D. A flamingo's pink color which comes from eating shrimp.
2. What is the best example of a learned behavior?
- A. A sea turtle instinctively swimming after it hatches.
- B. A cat having naturally pointed ears.
- C. A fish having gills to breathe underwater.
- D. A parrot repeating words it hears from people.
3. A person's muscles become larger and stronger after several months of regular exercise. This change in muscle size is a trait shaped primarily by...
- A. inheritance from parents.
- B. environmental factors.
- C. natural instinct.
- D. a learned behavior.
4. An organism's traits, such as its appearance and abilities, are determined by what?
- A. Both its inherited genes and its environment.
- B. Only by what it inherits from its parents.
- C. Only by the food it eats and the skills it learns in its lifetime.
- D. By its parents' environment, but not its own.
5. Which of the following best describes an organism's environment?
- A. The physical traits it inherits from its parents.
- B. Only the other animals an organism lives with.
- C. All the living and non-living things that surround it.
- D. The specific set of learned behaviors it has.
6. A young otter watches its mother use a rock to crack open a shellfish. After several attempts, the young otter begins using rocks in the same way. This is an example of what?
- A. An inherited trait
- B. A survival instinct
- C. A learned behavior
- D. A random action
7. What is the primary reason it is beneficial for a young animal to learn skills from its social group?
- A. It makes the animal more popular within the group.
- B. It helps the animal find a mate more easily.
- C. It increases the animal's chances of survival.
- D. It guarantees the animal will become the leader.
8. If a young wolf were raised in isolation, completely separated from a pack, what skill would it most likely fail to learn properly?
- A. How to sleep
- B. How to breathe
- C. How to hunt large prey
- D. How to grow a winter coat
9. Imagine a group of chimpanzees where one discovers how to use a chewed-up leaf as a sponge to drink water from a hole in a tree. Soon, other young chimps in the group start doing the same thing. This behavior is passed on through what process?
- A. Genetic inheritance
- B. Social learning
- C. Random chance
- D. A physical mutation
10. Which of the following is the best definition of a learned behavior?
- A. A physical trait an animal is born with, like the color of its fur.
- B. A skill that an animal develops by observing and copying others in its social group.
- C. An automatic reaction an animal has, such as shivering when it is cold.
- D. The environment or habitat where an animal lives and finds its food.