2. Which of the following, if true, would call into
question Hardys principle of animal exclusion?
Zooplankton are not the only organisms
that are affected by phytoplankton
repellents.
Zooplankton exclusion is unrelated to
phytoplankton population density.
Zooplankton population density is higher
during some parts of the year than during
others.
Net phytoplankton are more likely to
exclude zooplankton than are
nannoplankton.
Phytoplankton numbers can be strongly
affected by environmental factors.
For the following question, consider each of the choices separately and select all that apply
3. The author would be likely to agree with
which of the following statements regarding
the pressure of grazers on phytoplankton
numbers?
□A Grazing pressure can vary according to the
individual type of zooplankton.
□B Grazing pressure can be lower in nutrient-poor lakes
than in bog lakes.
□C Grazing tends to exert about the same
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