reproductive isolating mechanism
biology
Also known as: RIM
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role in speciation
- In evolution: Reproductive isolation
…that prevent interbreeding are called reproductive isolating mechanisms (RIMs). Oaks on different islands, minnows in different rivers, or squirrels in different mountain ranges cannot interbreed because they are physically separated, not necessarily because they are biologically incompatible. Geographic separation, therefore, is not a RIM.
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