Across
- 5. Last trees to become established in a climax community.
- 7. controls what enters and leaves the cell
- 11. Live in extreme environments.
- 12. Cells made in meiosis are genetically _________.
- 14. Organelle NOT found in animals, fungi, or bacteria.
- 20. Rapid bursts of change followed by periods of no change.
- 22. Selection pattern favoring only ONE extreme.
- 23. This exchange of DNA occurs during meiosis.
- 27. States that genes (traits) separate independent of each other.
- 30. Smallest levels of organization, most specific
- 31. Traits must be ____________ in order to change a population overtime due to evolution.
- 33. This consumer is most impacted by DDT in a food chain with 4 trophic levels.
- 34. Makes chemical energy for the cell.
Down
- 1. Tests a hypothesis
- 2. All the living things in the area. ex) grass and prairie dogs
- 3. Convert nitrogen gas into usable forms.
- 4. Caused by increased greenhouse effect.
- 6. This type of reproduction involves two organisms and increases genetic variation.
- 8. First organisms to grow in an area during secondary succession.
- 9. plants response to gravity
- 10. Chromosomal mutations that involved two different chromosomes.
- 13. Type of frameshift mutation that removes a base.
- 15. Viral replication cycle composed of 5 steps that immediately destroys the host
- 16. This type of solution will cause a cell to shrink.
- 17. Type of nucleic acid found in both viruses and bacteria.
- 18. Growth pattern without limiting factors
- 19. This causes increased chances of skin cancer.
- 21. Number of cells produced during mitosis.
- 24. ONLY RNA contains this nitrogen base.
- 25. To speed up chemical reactions enzymes _______ activation energy.
- 26. plant cells form a cell _________ during cytokinesis
- 28. Species that outcompete the organisms already established in an area.
- 29. Type of diffusion that uses a protein channel but DOES NOT require energy.
- 32. Transfers amino acids to the ribosome.