5 Questions
Why do populations of herbivores and plants cycle up and down?
Because herbivores are predators from a plant's perspective.
What effect did eighteenth-century hunting have on otter populations?
Decreased the number of otters.
What factor contributed to the decrease in otter populations in the eighteenth century?
Low otter birth rates.
Why is it unlikely that hunting lionfish one at a time would make a significant impact on their population size?
Because females produce thousands of eggs at a time.
How have otter populations been affected since the beginning of the twentieth century?
Recovered due to hunting bans.
Test your knowledge on how herbivory can impact changes in population size, with a focus on the predator-prey relationship between herbivores and plants. Explore scenarios where herbivores affect plant populations and vice versa, leading to population cycles.
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