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Created by jennabarnes12387
over 10 years ago
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Question | Answer |
What is reduced hybrid variability | When a hybrid zygote fails to form or the hybrid does not reach sexual maturity |
What is hybrid breakdown | Offspring of hybrids have reduced viability or fertility |
Why might two species that can create a fertile hybrid still be two separate species? | They might be temporal species that have to breed at different times of year or day based on climate or other factors |
What is allopatric speciation? | When two groups of a species are separated long enough that they evolve into two separate species. This is the most common speciation |
What is sympathetic speciation? | When a species becomes two or more different species while still in one group geographically |
What causes only some organisms to survive in nature? | Variability caused by random mutation effects wether or not an organism is successful. Also limited resources cause competition. |
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