Across
- 4. Adaptations help prey avoid ______ by things like blending into the environment to they cannot be found
- 6. inherited trait that helps a species survive in its environment
- 7. distinguishing characteristic of an organism
- 9. Chromosomes are found inside the ______, which is the center of a cell.
- 12. section of DNA that has genetic information for one trait
- 13. _____ cause variations
Down
- 1. This process brings a sperm cell and an egg cell together.
- 2. More sperm cells and egg cells are made during _____.
- 3. slight difference in inherited traits among individual members of a species
- 4. how a trait appears or is expressed
- 5. This is where mutations occur
- 8. passing of traits from generation to generation
- 10. ______ are shaped like an X.
- 11. ______ selection; process by which organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that do not have the variation