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What is the idea that living species are descendants of ancestral species that were different from the presend day ones?
What are inherited characeristics of organisms that enhance their survivial and reproduction in specific environments called
What is it called when individuals have certain inherited traits that tend to survive and reproduce at higher rates than other indivivduals
What observations does Darwin establish that drive changes in species over time?
- variations in traits exist
- these variations are heritable
- species overproduce
- there is competition for resources, not all offspring survive
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