What is the reason for the highest biomass being present in the aquatic ecosystem?
Correct answer: C. Benthoic and brown algae
- A. Nano plankton, blue-green algae, and green algae
- B. Sea grass and slime moulds
- C. Benthoic and brown algae
- D. Diatoms
Explanation
The benthic region includes all the seafloor from the wave-washed shore-line to the greatest depths. Depending upon the penetration of light it is subdivided into two main zones: the lighted or littoral zone and the deep sea system. Due to an abundance of light, water, oxygen, carbon dioxide, and less salinity of water, the tidal zone is characterized by an exorbitant growth of plants. The dense growth of vegetation, on the other hand, provides shelter and food for animals. A wide variety of algae, a few types of grass, and animals of every phylum of the animal kingdom are represented in this region.
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About Man and His Environment
Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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