Evolution Crossword!

3. passing traits from parent to offspring
6. The term fitness refers to an organism's ability to survive and _________ in a specific environment
9. changes the characteristics of a species over several generations and relies on the process of natural selection
10. the molecule that carries genetic information for the development and functioning of an organism
11. The observable characteristics in an individual resulting from the expression of genes
12. A physical or behavioral characteristic of an organism
13. where Darwin spent most of his time studying
14. organisms best adjusted to their environment are the most successful in __________ and reproducing
16. A plausible or scientifically acceptable, well-substantiated explanation of some aspect of the natural world
17. Credited with the theory of evolution
19. One of two or more versions of a genetic sequence at a particular region on a chromosome
21. type of selection where average is best
22. A remnant or trace of an organism of a past geologic age
23. the adjustment of organisms to their environment in order to improve their chances at survival in that environment

1. A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation
2. to breed together
4. A change in the sequence of one or more nucleotides in DNA
5. ability to adapt and reproduce
7. group or things that can described in one common characteristic
8. members of a species must do this to survive
10. type of selection where one way is better than the other and better than average
15. focusing on a specific skill, activity, or production process
18. where Rosemary and Grant studied the finches
20. type of selection where average is not the best