A hypothetical mutation in a squirrel population produces organisms with eight legs rather than four. Further, these mutant squirrels survive, successfully invade new habitats, and eventually give rise to a new species. The initial event, giving rise to extra legs, would be a good example of

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#Question id: 11298

#Unit 10. Ecological Principles

A pyramid of numbers shows _____________.

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#Question id: 8845

#Unit 9. Diversity of Life Forms

The experimental approach taken in current biological investigations presumes that

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#Question id: 4968

#Unit 11. Evolution and Behavior

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

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#Question id: 780

#Unit 1. Molecules and their Interaction Relevant to Biology

Drosha and Pasha:

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#Question id: 1055

#Unit 4. Cell Communication and Cell Signaling

What part of the E. coli T4 phage attaches to the host cell receptors?