Across
- 1. Chance event in which a small portion of the population leaves to start a new population elsewhere (only use the first word)
- 4. Knowledge that covers general truths or the operation of general laws
- 6. A grouping that includes the most recent common ancestor of the group and all of the descendants
- 7. The next exclusive classification after class
- 8. Response to a chemical stimulus from the environment
Down
- 1. The relative contribution an individual makes to the gene pool of the next generation (measured by number of offspring produced)
- 2. Change in allele frequencies in a population over time
- 3. A group of organisms that can interbreed and produce viable, fertile offspring
- 5. The observable traits expressed by an organism