Natural Selection Crossword Puzzle -Meagan Chen

3. grizzly bears ____ to cold climates
5. when very different animals have organs or muscles that make their structure similar to a different organism
7. organisms structure that has lost certain organs or bones that the same organisms have
8. a theory that once a species appears in the fossil record it will become stable showing very little evolution
11. natural selection where opposite extreme traits are more favored
13. the stock of different genes in an interbreeding population
14. species created during the process of evolution is known as
18. organisms who adapt to environment and produce offspring
19. newborn baby weight can be an example of this selection
21. biologist who studied the science of evolution
23. the variety of life in a habitat, environment, or world
24. a graph that shows living organisms evolving

1. where different kinds of living organisms are to have developed over time
2. overall way to study species and their embryos
4. 2 species do not come in contact with each other which is known as ____
6. humans polluting the earth is changing the earth which can be called this
9. is an example of cells being different from one another
10. this is known as a specie having too many offsprings for the reproductive age
12. a basketball game is a ______ between 2 teams; this is something animals can do as well when fighting over something
15. the view of evolution that proceeds by small, cumulative steps in long periods of time
16. wide variation in a trait with multiple genes ex: height
17. an explanation made by a scientist that has been made from facts that have been repeatedly observed
20. this is someone in your family who may be living or not but you could have some of their traits or genes
22. a group of organisms that are really close in similarity and usually produce the similar offspring