K and R selection (WIP)

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12 Terms

1
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K-selection

Species live and reproduce near the carrying capacity (K) of their environment. Focuses more on the quality of their reproduction

2
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r-selection

Species live in unstable environments, reproducing to the maximum rate. Focuses more on the quantity of their reproduction

3
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Do r-selected species have larger or smaller numbers of offspring?

Larger numbers of offspring

4
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Do K-selected species have larger or smaller numbers of offspring?

Smaller numbers of offspring

5
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Why do r-selected species produce more offspring than K-selected species?

6
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Why do K-selected species produce less offspring than r-selected species?

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Is the survivorship and life expectancy for r-selected species low or high?

Low

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Is the survivorship and life expectancy for K-selected species low or high?

High

9
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Why is the life expectancy for r-selected species generally short?

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Why is the life expectancy for K-selected species generally high?

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What are 3 examples of r-selected animals?

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What are 3 examples of K-selected animals?