General Biology · free preview
Chapter 18: Evolution and the Origin of Species
All living organisms, from bacteria to baboons to blueberries, evolved at some point from a different species.
1. Chapter 18: Evolution and the Origin of Species
Chapter 18: Evolution and the Origin of Species
2. Key terms check
Which key term matches this definition?
heritable trait or behavior in an organism that aids in its survival and reproduction in its present environment
3. Key terms check
Which key term matches this definition?
speciation when one species radiates to form several other species
4. Key terms check
Which key term matches this definition?
speciation that occurs via geographic separation
5. Key terms check
Which key term matches this definition?
polyploidy formed between two related, but separate species
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