Factors Affecting Biological Diversity Answers

Fill in the blank below with the word that best completes the sentence.Natural selection leads to , a process of change in a population over time.

Complete the sentence below by selecting the correct words from the drop-down menus.Factors that affect natural selection include variationsimilarity, underpopulationoverpopulation, and adaptationextinction.

What are the two phases of speciation? geographic isolation and variationadaptation and reproductive isolationadaptation and variationgeographic isolation and reproductive isolation

A population of wildflowers is separated by an eight-lane superhighway. Pollen is often carried by the wind across the highway and can pollinate the flowers on the other side of the highway. Can speciation occur in this situation?No, because the populations are not reproductively isolated.No, because the populations are not geographically isolated.Yes, because the populations are reproductively isolated.Yes, because the populations are geographically isolated.

A population of deer is separated by an emerging volcano. The two populations come back into contact 200 years later, but are incapable of breeding. Which of the following best describes the process that occurred?adaptationspeciationconvergent selectionstabilizing selection

Which piece of evidence would most go against the scientist’s argument and suggest that the butterflies are actually different species?

Which graph best represents disruptive selection?

Which graph best represents directional selection?

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Results in the evolution of the species: directional selectiondisruptive selectionstabilizing selection

Which type of natural selection is at work here?

Which type of natural selection is at work here?

What term describes an evolutionary process through which a new species emerges? biodiversityadaptationspeciationgenetics

Results in new species: directional selectiondisruptive selectionstabilizing selection

Favors traits at the two extremes: directional selectiondisruptive selectionstabilizing selection

No increase in diversity: directional selectiondisruptive selectionstabilizing selection

One extreme trait is favored: directional selectiondisruptive selectionstabilizing selection

Diversity decreases: directional selectiondisruptive selectionstabilizing selection

Diversity increases: directional selectiondisruptive selectionstabilizing selection