Evolution corssword

2. slight differences between individuals in the same species
3. A structure that is present in an organism but no longer serves its original purpose
5. A person who studies plants and animals by observing them
7. the human practice of breeding animals or plants that have certain desired traits
9. The preserved remains or traces of organisms that once lived on Earth.
11. an adaptation that enables a species to blend in with its environment
13. Body parts that share a common function, but not structure
14. English natural scientist who formulated a theory of evolution by natural selection 1859
15. the formation of new and distinct species in the course of evolution
16. similarities in development before birth that demonstrate relationships between different species
17. The max amount of organisms that the envirnment can support
18. A trait that helps an organism better survive in it's environment

1. Structures in different species that are similar because of common ancestry.
4. a naturalist from the year 1858
6. The process by which individuals with variations that help them survive in their environment will live longer, compete better, and reproduce more than individuals without those variations
8. change over time
10. a naturalist from the year 1809
12. The resemblance of one species to another species
16. When the last individual of a species dies