Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arrival of zebra mussels because . Group of answer choices Zebra mussels feed on phytoplankton, which zooplankton need as a food source Zooplakton are reduced due to predator mediated competition Zebra mussels block sunlight penetration into lakes and thus prevent zooplankton from photosynthesizing Zebra mussels prey exclusively on zooplankton Zooplankton are replaced due to competitive exclusion
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Cells are adapted to preform specific functions. which of the following terms refers to this capability?
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Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
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An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil
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Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arriv...
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