Across
- 3. The tought that all living things came from on big ancestor
- 6. Differences between individuals in a species
- 7. Each animal of it's species competes with eachother for basic living necessities
Down
- 1. Inherited characteristics of an animal due to nature
- 2. Selective breeding for a certain type of animal
- 4. Inherited characteristics that help animals survive
- 5. The ability for one to survive and reproduce in it's enviroment