Across
- 4. An inherited trait that increases an organism’s chance of surviving and reproducing in its environment
- 7. Body parts of organisms that are similar in structure and position but different in function
- 10. The resemblance of one species to another species
- 11. Body parts that have lost their original function through evolution
Down
- 1. A person who studies plants and animals by observing them
- 2. The science of embryos from fertilization to birth
- 3. A slight difference in an inherited trait of individual members of a species
- 4. Body parts that perform a similar function but differ in structure
- 5. An adaptation that enables a species to blend in with its environment
- 6. The breeding of organisms for desired characteristics
- 8. The study of similarities and differences among structures of living species
- 9. The process by which populations of organisms with variations that help them survive in their environments, live longer, compete better, and reproduce more than those that do not have the variations