12.Ecosystem
medium

Why are oceans least productive ?

Option A
Option B
Option C
Option D

Solution

Sea/ocean is less producer because $(i)$ It receives solar radiation in insufficient amount because sunlight decreases as the depth of sea increases.

$(ii)$ Sea water lacks Nitrogen, Which is an important nutrient substance for plants.

$(iii)$ Excessive amount of salts is not favourable for all plants.

$(iv)$There is no base to support plants

Standard 12
Biology

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