Across
- 1. An adaptation that allows organisms to blend in with the environment.
- 3. The process in which organisms in an environment have advantageous traits which allows them to live longer and reproduce more individuals with those traits.
- 4. The breeding of plants of animals that have certain desired traits.
- 7. Body parts that share a function, but are different in structure.
- 9. a change over time.
- 10. an inherited trait that increases the chances of survival and reproduction for an organism in a certain environment.
- 11. Similarities in gene sequences and DNA.
- 14. A branch in biology that focuses on why species are in trouble, and how to save them.
- 15. The creation of new and distinct species in the course of evolution.
- 16. The remains or traces of organisms that were once alive on Earth.
- 17. Structures that are present in organisms that no longer have a purpose.
- 18. A physical feature of an organism's body, that has a function for survival.
- 19. the similarities between 2 species.
Down
- 2. An adaptation that involves the inside of organisms.
- 5. When the last individual of a species dies.
- 6. Structures in different species that are similar because they share a common ancestor.
- 8. A person who studies and observes plants and animals.
- 12. The study of the development of embryos
- 13. An adaptation that involves the way an organism acts.
- 20. A naturalist who came up with a theory of evolution by natural selection.
