What is biological evolution

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Reference no: EM133989450

Questions:

1A. What is biological evolution?

1B. Differentiate between microevolution and macroevolution.

1C. What are three examples of evidence for biological evolution?

2A. Discuss Lamarck's proposal for biological evolution, and why it was incorrect.

2B. While Lamarck's proposal is not supported it still is important, why?

3. Who independently from Darwin also proposed the idea of natural selection?

4. Are traits universally beneficially, meaning they always confer a benefit to an individual? Why or why not?

5. Identify whether each of the following statements regarding natural selection are true or false.

· A trait can undergo natural selection only if it is heritable.

· Natural selection occurs as a result of individual organisms trying to adapt to their environment.

. The effects of natural selection can be examined only by looking far into the past-for example, observing the fossil record or historical biogeography.

· Natural selection can favor traits that reduce life span or quality of life if those traits increase reproductive success.

· Homologous traits between two species imply a shared common ancestor with the same homologous trait.

· Natural selection is the only process that leads to biological evolution.

· The bat wing, human arm, and whale flipper are all modified versions of the forelimb of an ancient four-legged vertebrate.

6. Differentiate between divergent and convergent evolution.

Reference no: EM133989450

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