Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?

Question

CollectorBabu · Accepted Answer

Correct Answer: Mangroves, grasslands, lakes, oceans. Ecotone regions like mangroves, wetlands, grasslands etc. have greater productivity as compared to forest, ocean, pond, river and desert ecosystems as there are variety of species present in ecotone. In the question we see that mangroves are intermediary ecosystems which have maximum productivity while all others are normal ecosystems. The grasslands are not transitional every time, so it is less productive as compared to mangroves. There is less productivity in the Ocean since it is very deep with poor nutrients, so it is least productivity. Hence the correct option according to decreasing productivity will be option C.

Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?

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