Biology of Plants: On the Origin of Species
Across
- 4. The relationships among species is shown on a _________.
- 5. ______________ Isolation: Different flowering time, different pollinators, different habitats.
- 6. __________ Isolation: New mountain range, new river, isolated on an island.
- 8. A phylogeny shows reconstructed __________ among groups of organisms.
- 9. With no migrations, differences _____________.
- 12. When the two populations cannot exchange ___________, they are now considered separate species.
- 13. _________ _________ can cause evolution too.
- 15. Biological species concept: "Species are groups of actually or potentially interbreeding natural population that are reproductively _________ from other such groups."
- 16. Evolution can favor _________ organisms.
Down
- 1. Post-_________ isolation: Hybrids are dead, or sterile, due to genetic incompatibility.
- 2. Darwin took integration of evolutionary theory with genetics: a modern _________ (1950s)
- 3. _____________ can be a byproduct of natural selection in isolated populations.
- 4. Evolution is not ____________.
- 7. _________________ ____________ is the mechanism that describes evolution.
- 10. ______________ can migrate to new populations. But only if individuals can breed!
- 11. With no migration through breeding, populations __________.
- 14. A junction on a phylogeny represents a shared _________ ancestor.