Chapter 4 Crossword

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Across
  1. 4. a group of organisms of the same species that live in a specific geographical area and interbreed
  2. 5. an organism that belongs to a kingdom characterized by being eukaryotic, and mostly unicellular
  3. 7. a group of various species that live in the same habitat and interact with each other
  4. 10. a group of organisms that are closely related and can mate to produce fertile offspring; also the level of classification below genus and above subspecies
  5. 11. a living thing; anything that can carry out life processes independently
  6. 12. the process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution
  7. 14. describes the nonliving part of the environment, including water, rocks, light, and temperature
  8. 17. a heritable change in the characteristics within a population from one generation to the next; the development of new types of organisms from preexisting types of organisms over time
  9. 19. a domain made up of prokaryotes that usually have a cell wall and that usually reproduce by cell division; It is a Kingdom.
  10. 20. a community of organisms and their abiotic environment
Down
  1. 1. the process of becoming adapted to an environment; an anatomical, physiological, or behavioral change that improves a population's ability to survive
  2. 2. the place where an organism usually lives
  3. 3. the selective breeding of organisms (by humans) for specific desirable characteristics
  4. 6. a woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit
  5. 8. the ability of an organism to tolerate a chemical or disease-causing agent
  6. 9. an environmental factor that consists of living organisms, once living organisms and anything that came from something living (like feces)
  7. 13. an organism whose cells have nuclei, rigid cell walls, and no chlorophyll. It is a Kingdom.
  8. 15. an animal that does not have a backbone
  9. 16. a flowering plant that produces seeds within a fruit
  10. 18. an animal that has a backbone; includes mammals, birds, reptiles, amphibians, and fish