B) surroundings.
C) neighbors.
D) Enemies.
3. It can be inferred from this passage that the feathers of a bird are colored
A) to frighten its enemies.
B) to attract its enemies.
C) to adjust its body heat.
D) to match its environment
4. Which of the following is not directly mentioned in the passage?
A) A living thing way adapt in its structure.
B) An organism may adapt in its function.
C) A living creature may adapt in its genetic makeup.
D) A living organism may adapt in its sleeping habit.
5. The author cites the behavior of warm-blooded mammals in order to that a living thing may have the ability
A) to create an environment of its own.
B) to remain still when an enemy is near.
C) to make food from inorganic chemicals.
D) to change the color of its skin.
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