Across
- 2. selection organisms who adapt to environment and produce offspring
- 8. change humans polluting the earth is changing the earth which can be called this
- 9. where different kinds of living organisms are to have developed over time
- 10. pool the stock of different genes in an interbreeding population
- 13. grizzly bears ____ to cold climates
- 14. structure when very different animals have organs or muscles that make their structure similar to a different organism
- 15. evolution a theory that once a species appears in the fossil record it will become stable showing very little evolution
- 17. a basketball game is a ______ between 2 teams; this is something animals can do as well when fighting over something
- 18. structure organisms structure that has lost certain organs or bones that the same organisms have
- 19. selection natural selection where opposite extreme traits are more favored
- 21. tree a graph that shows living organisms evolving
- 22. theory an explanation made by a scientist that has been made from facts that have been repeatedly observed
Down
- 1. is an example of cells being different from one another
- 3. traits wide variation in a trait with multiple genes ex: height
- 4. a group of organisms that are really close in similarity and usually produce the similar offspring
- 5. the variety of life in a habitat, environment, or world
- 6. this is known as a specie having too many offsprings for the reproductive age
- 7. this is someone in your family who may be living or not but you could have some of their traits or genes
- 9. overall way to study species and their embryos
- 11. the view of evolution that proceeds by small, cumulative steps in long periods of time
- 12. 2 species do not come in contact with each other which is known as ____
- 16. selection newborn baby weight can be an example of this selection
- 20. species created during the process of evolution is known as
- 23. Darwin biologist who studied the science of evolution