Phytoplankton are the aquatic producers that form the bottom of aquatic food webs, but their total biomass at any given time is actually very small. They are able to support the higher trophic levels because they grow and reproduce much more quickly than the other organisms in the food web.
Answer: C. The amount of insulin in her blood is wrong.
Explanation: The pancreas is mainly responsible for production of insulin, so a change in insulin levels would indicate something being wrong with the pancreas.
Air pressure is caused by the air molecules around us. Air particles are always in random and continuos motion, bombarding each other in random direction. As air particles collide they create pressure.
Explanation:
For example , black people may be arrested more frequently in part because they experience greater poverty.
Answer:
<em>“Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.</em>
Explanation:
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