Across
- 2. A protein that increases the rate of a chemical reaction
- 5. A variant form of a gene
- 7. A type of cell division that results in two daughter cells
- 8. The complete elimination of a species from the earth
- 10. Organelle within a cell that contains the chromosomes
- 12. An environmental factor related to or produced by living organisms
- 15. The tendency for a system to remain in a state of equilibrium
- 16. A type of cell division that results in four daughter cells
- 17. A measure of rotational force
Down
- 1. Where transpirtaion happens
- 3. A change in hereditary characteristics of groups of organisms over the course of generations
- 4. Organisms that obtain nutrients by consuming dead organic matter
- 6. A chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse
- 9. Deoxyribonucleic Acid
- 11. Organisms that obtain energy by feeding on other organisms
- 13. A non-living factor
- 14. The basic unit of an element