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Why do populations of herbivores and plants cycle up and down?
Why do populations of herbivores and plants cycle up and down?
- Because herbivores do not eat plants.
- Because plants are predators of herbivores.
- Because herbivores are predators from a plant's perspective. (correct)
- Because plants can reproduce quickly.
What effect did eighteenth-century hunting have on otter populations?
What effect did eighteenth-century hunting have on otter populations?
- Made otters reproduce faster.
- Increased otter birth rate.
- Had no impact on otter populations.
- Decreased the number of otters. (correct)
What factor contributed to the decrease in otter populations in the eighteenth century?
What factor contributed to the decrease in otter populations in the eighteenth century?
- Improved living conditions for otters.
- Increased hunting regulations.
- Low otter birth rates. (correct)
- Migratory patterns of otters.
Why is it unlikely that hunting lionfish one at a time would make a significant impact on their population size?
Why is it unlikely that hunting lionfish one at a time would make a significant impact on their population size?
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How have otter populations been affected since the beginning of the twentieth century?
How have otter populations been affected since the beginning of the twentieth century?
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