Several key factors help to determine the types and numbers of organisms found i

Question

Several key factors help to determine the types and numbers of organisms found in the various layers of both freshwater and marine systems. What is not one of these? Algal bloom availability of food temperature availability of nutrients dissolved oxygen levels What is gray water? Used water from showers, sinks, dishwashers, and tubs water that comes from the faucet water that can never be used again water that is not needed water that has been used for irrigation Withdrawing too much water from an aquifer can cause several issues. Which of the following is not one of these? Increased land subsidence increased droughts freshwater can become contaminated with saltwater sinkholes can form it is difficult for the aquifer to recharge fast enough Too much or too little of any physical or chemical factor can prevent the growth of a population, even if all other factors are at or near the optimum conditions. What is this ecological principle? limiting factor resilience optimal level tolerance persistence Removing intermediate-aged or mature trees from a forest is known as __. partial cutting strip-cutting clear-cutting selective cutting intermediate cutting Which of the following is not used as an alternative to synthetic pesticides? Planting polycultures Introduction of natural enemies Genetic engineering Crop rotation Crop dusting

Explanation / Answer

Answer: a. algal bloom

Several key factors help to determine the types and numbers or organism found in the various layers of both freshwater and marine system. Algal bloom is not a factor.

Algal bloom is a rapid growth of microscopic algae in water.

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