Across
- 3. Pet dogs evolved from this animal.
- 5. This type of breeding is when humans choose animals with certain traits.
- 9. In nature this selects the individual organisms that will produce offspring.
- 10. Humans choose certain qualities or these in animals and plants.
- 11. When dogs have puppies, they are called this.
Down
- 1. Sometimes environments do this and some animals will survive, but some won't.
- 2. Animals do this to get food.
- 4. This means "kinds" of pet dogs.
- 6. When you look at pet dogs, you can see a lot of this.
- 7. Humans used some kinds of dog for this.
- 8. Young moose do this to get traits from their parents.