1. Environment
The space, conditions, and all the living and nonliving things around an organism.

2. Direct effect or change.
Impact
Direct effect or change.

3. Predator
An organism that hunts and feeds on another animal.

4. Prey
An animal that is hunted as food.

5. Adaptation
An inherited trait that becomes more common by helping individuals that have it to survive and reproduce.

6. Camouflage
Coloring or other physical characteristics that help an organism to blend in with its surroundings.

7. Reproduction
the natural process among organisms by which new individuals are generated and the species created.

8. Niche
The role an organism plays in its ecosystem.

9. Mimicry
When an organism copies a characteristic of another organism to increase its chances for survival or reproduction.

10. Migration
The seasonal movement of animals from one place to another.

11. Hibernation
A process by which an organism slows its life functions for an extended period of time to preserve energy or resist harsh conditions.

12. Habitat
The place or environment in which an organism naturally lives.

13. Species
A group of organisms that are similar to one another and can combine to produce offspring.

14. Characteristics
Features that help identify something.

15. Function
What something does.

16. An arrangement of parts.
Structure
An arrangement of parts.