Across
- 2. taxonomic group including common ancestor but excluding 1 or more descendants
- 5. the tree with the fewest # of changes is preferred
- 7. taxonomic group including common ancestor and all descendants
- 9. a group born at the same time
- 11. speciation that occurs without geographic separation
- 13. study of interactions between organisms and their environments
- 15. pattern of spacing individuals within a population's boundaries
- 16. growth that doesn't change even if the population gets very large
- 17. number of individuals per unit area
- 18. reconstruction of evolutionary relationships using trees
Down
- 1. all branches and tips derived from a given node
- 3. classifying and naming organisms based on similarities
- 4. speciation that involves a geographic barrier
- 5. reproductive isolation of individuals with more than 2 chromosomal sets
- 6. taxonomic group excluding common ancestor, often grouped due to homoplasy
- 8. growth that gets smaller as population approaches its carrying capacity
- 10. study of vital statistics and how they change in a population over time
- 12. long-term patterns of precipitation, temperature, evaporation, and light
- 14. group of individuals of the same species living in the same area and interbreeding