Question

QUESTION 35 "Primary succession is succession that.. involves establishment of primary producers where there were none leads to establishment of a climax community dominated by primary producers occurs on newly exposed geologic substrates, not organic soil occurs where organic soils have been exposed but not destroyed by disturbance occurs after fire or agricultural abandonment QUESTION 36 At intermediate disturbance, the Intermediate Disturbance Hypothesis predicts high levels of species richness, why? Few species can become competitively dominant, community will have high numbers of r-selected species. Many species can become competitively dominant; community will have high numbers of K-selected species. Frequent enough to prevent K-selected species dominating but not frequent enough so that only r-selected species survive. Frequent enough to prevent T-selected species dominating but not frequent enough so that only K-selected species survive. None of the above answers is correct. QUESTION 37

Answer 1

Question 35.

Answer- Involves the establishment of primary producers where there were none.

Primary succession begins with no life. No soil is present at the time of primary succession. Lichens and mosses are the first to invade the land.

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