Which of these are not considered to be pelagic zooplankton(浮游动物)?
A、Arrow worms
B、Comb jellies
C、Diatoms
D、Copepods
A、Arrow worms
B、Comb jellies
C、Diatoms
D、Copepods
A、Bacteria feed on the DOM, making it available to other animals in the food chain that feed on bacteria
B、Bacteria supply most of the DOM
C、Bacteria feed on DOM and thus it is unavailable to other animals
D、Bacteria cannot utilize DOM and thus feed on detritus, depleting it through most of the epipelagic
A、Deposit (碎屑)feeders
B、Herbivores (植食)
C、Carnivores(肉食)
D、Filter feeders(滤食)
A、Salinity changes.
B、Temperature changes.
C、Pressure changes
D、Food availability
A、Is easier to digest.
B、Falls to the bottom and stays in one place, thus being available for a longer time.
C、Gets to be eaten before it gets to pelagic animals.
D、Gets decayed at much faster rates by chemosynthetic bacteria.
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