Across
- 4. a unit of energy equal to 1,000 calories
- 7. actions that are observed in organisms
- 9. helps distinguish the physical nature of an entity from the others.
- 10. An assemblage of animals, plants, or microorganisms having the same distinctive features, which identify them from the others.
Down
- 1. inherited characteristic that increases an organism's chance of survival
- 2. Any distinct person, object, or concept within a collection.
- 3. An animal that hunts other animals for food
- 5. The process by which your body takes in and uses food
- 6. an animal that is hunted and killed by another for food
- 8. the ability to do work