Which of the following statements about plankton or nekton is NOT correct? a. Nekton are active swimmers.
b. Phytoplankton are important primary producers.
c. All plankton are closely related to plants.
d. Plankton drift or swim weakly.
e. Zooplankton are heterotrophic plankton.

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meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse