Vocab science

6. The different forms of a gene.
7. Thread-like structures that contain genetic information that controls traits.
8. The selection and breeding of organisms with desired traits.
10. An inherited trait that helps a species survive in its environment.
13. Slight differences in inherited traits among individual members of a species.
14. How a trait appears, or is expressed.
15. Food products that have been genetically engineered.
19. The process by which individuals with variations that help them survive in their environments live longer.

1. The study of similarities and differences among structures of living and fossil species.
2. Body parts or structures that were inherited by two or more species from a common ancestor.
3. The biological and chemical methods that change the arrangement of DNA that makes up a gene.
4. The change overtime in populations of related organisms.
5. Are body parts that have lost their original function through evolution.
7. An adaptation that enables a species to blend in with its environment.
9. A fossil that has characteristics of both ancestral organisms and organisms that evolved later.
11. Body parts that perform a similar function but differ in structure.
12. When the last individual organism of a species dies.
16. The resemblance of one species to another.
17. : A permanent change in the sequence of DNA.
18. The two alleles that control the phenotype of a trait.