Bacteria arc especially important in making ___ available to plants. a- carbon d

Question

Bacteria arc especially important in making ___ available to plants. a- carbon dioxide b. nitrogen c. oxygen d. water e. phosphorus The two major contributor* to an increase in atmospheric carbon dioxide levels are a. freon and bath bubbles b. aliens from outer space and alien species c. nitrogen and water d. fossil fuel combustion and deforestation 16. Natural fertilizer runoff contains____&____ a carbon and hydrogen b. sulfur and magnesium c. nitrogen and phosphorus d. oxygen and carbon dioxide Ecology is a any action that is learned by an organism b. all responses to the environment c. study of interaction between organism and environment d. unique to birds and human habitat 18. Fresh water and seawater mix in a(n) a. estuary b. benthic realm c. limnetic or photic zone d. littoral zone d. Fox Sports Zone 19. A cleaner wrasse fish lives in the mouth of a spotted sweetlip fish, where they feed off parasites. If the wrasse fish provides a cleaning service to the sweetlip, this is an example of a competition b. parasitism c. commensalism d. mutualism 20. The loss of a response to stimuli after repeated exposure is called a. habituation b. imprinting c. cognitive behavior 3 d. associative learning

Explanation / Answer

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B.nitrogen

Nitrogen-fixing bacteria are capable of transforming atmospheric nitrogen into fixed nitrogen usable by plants.

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D.fossil fuel combustion and deforestation

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C.nitrogen and phosphorous

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C. interaction of an organism with its environment

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A.estuary

An estuary is a coastal water body where freshwater from rivers and streams mixes with salt water from the ocean.

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