Chapter 4 Environmental Review

2. change in the genetic characteristics of a population from one generation to the next.
3. are a diverse group of both unicellular and multicellular organisms; ex. amoebas
11. the process by which individuals that are better adapted to their environment survive and reproduce with more success than less well adapted individuals do.
12. living factors in the environment.
14. change in the genetic characteristics of a population from one generation to the next.
15. often found in extreme places, such as hot springs.
17. the nonliving parts of the ecosystem, including air, water, rocks, sand, light, and temperature.
18. a living thing; anything that can carry out life processes independently.
19. animals that lack backbones
21. is an organism whose cells have nuclei and cell walls; ex. mushroom

1. are woody plants that produce seeds, but their seeds are not enclosed in fruits.
4. is a group of organisms that can mate to produce fertile offspring.
5. change in the genetic characteristics of a population from one generation to the next.
6. animals that have backbones.
7. ability of one or more organisms to tolerate a particular chemical designed to kill it.
8. extremely small, single-celled organisms that usually have a cell wall and reproduce by cell division
9. group of the same species that live in the same place.
10. the place where an organism usually lives.
13. flowering plants that produce seeds in fruit.
16. a group of various species that live in the same place and interact with each other.
20. is all of the organisms living in an area together with their physical environment.