DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Lack of iron in the photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?

A	distribution
B	tolerance
C	limiting
D	biotic

Explanation:

Detailed explanation-1: -“Limiting factor is the factor which restricts the growth of a population. It might be the amount of nutrients or other essential factors needed for the survival and growth of organisms. In this case, it is iron.

Detailed explanation-2: -Phytoplankton are most abundant (yellow, high chlorophyll) in high latitudes and in upwelling zones along the equator and near coastlines.

Detailed explanation-3: -In the ocean, phytoplankton are confined to the photic zone because of which of the following? Outside that zone there is not enough light for photosynthesis. Which of the following marine zone is located on continental shelves and is highly productive?

Detailed explanation-4: -Limnetic zone is open pond water with high light penetration dominated by plankton.

There is 1 question to complete.