pressure as does temperature.
4. It can be inferred from the passage that one way
in which many of the early researchers on grazer
control could have improved their data would
have been to
emphasize the effects of temperature, rather
than of light, on phytoplankton
disregard nannoplankton in their analysis of
phytoplankton numbers
collect phytoplankton of all sizes before
analyzing the extent of phytoplankton
concentration
recognize that phytoplankton other than net
phytoplankton could be collected in a net
understand the crucial significance of net
phytoplankton in the diet of zooplankton
5. According to the passage, Hargrave and Geen
did which of the following in their experiments?
They compared the grazing rates of
individual zooplankton species in the
laboratory with the natural grazing rates
of these species.
The hypothesized about the population
density of grazers in natural habitats by
using data concerning the population
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