If a meteor impact or volcanic eruption injected a lot of dust into the atmosphe

Question

If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earths surface by 70 percent for one year which of the following marine communities most likely would be least be affected? wetlands estuary deep-sea coral reef Many bacteria are able to recycle biotic substance such as nitrogenous waste back into the soil, air water. where they are again accessible Producers decomposers consumers In which of the following situation would it be to use the biological species concept to describe define new species? extinct species species that reproduce asexually all of these are inappropriate for the biological species concept species known only from

Explanation / Answer

(54) If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, deep-sea vent marine community would only be least affected.
(55) Many bacteria are able to recycle biotic substances such as nitrogenous substances back into the soil, air or water because they are decomposers.
(56) species known only from fossils would be inappropriate to use the biological species concept.

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