I need your urgent help, PLEASE! Which of the following biotic factors are impor

Question

I need your urgent help, PLEASE!

Which of the following biotic factors are important for determining the realized niche of a species? The realized niche is best described as Which of the following is the best explanation as to why Australia's dominant mammals are marsupials? All populations are capable of exponential population growth, but we aren't over run by houseflies because Whenever you eat food, the ultimate (original source) of energy came from Productivity in an ecosystem is best described as

Explanation / Answer

45. Option A. Competition..

46. Option A. It occur in a region of interspecific competition.

49. Option a . Sun

50. Option A . Its units are Mass per unit surface per time

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