Population Ecology Video Lessons

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Problem: Use the survivorship curves in the figure to answer the following question. Which statement best explains survivorship curve B? a. It is likely a species that provides little postnatal care, but lots of care for offspring during midlife as indicated by increased survivorship. b. This curve is likely for a species that produces lots of offspring, only a few of which are expected to survive. c. It is likely a species where no individuals in the cohort die when they are at 60-70% relative age. d. Survivorship can only decrease; therefore, this curve could not happen in nature.

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Problem Details

Use the survivorship curves in the figure to answer the following question.

Which statement best explains survivorship curve B?

a. It is likely a species that provides little postnatal care, but lots of care for offspring during midlife as indicated by increased survivorship.

b. This curve is likely for a species that produces lots of offspring, only a few of which are expected to survive.

c. It is likely a species where no individuals in the cohort die when they are at 60-70% relative age.

d. Survivorship can only decrease; therefore, this curve could not happen in nature.

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Based on our data, we think this problem is relevant for Professor Yeargain's class at UCF.