Question:

Which is the reason for highest biomass in aquatic ecosystem:

Updated On: Jun 23, 2024
  • Nano plankton, blue green algae, green algae
  • Sea grass and slime molds
  • Benthonic and brown algae
  • Diatoms
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The Correct Option is C

Solution and Explanation

Marine ecosystems encompass about 71% of the Earth's surface, holding approximately 97% of the world's water. These ecosystems contribute significantly to the planet's total net primary production, accounting for 32% of it. Depending on factors such as water depth and shoreline characteristics, marine ecosystems can be categorized into various zones. The benthic zone, which encompasses substrates beneath the water's surface, provides habitat for numerous invertebrate species. Marine ecosystems host diverse classes of organisms, including brown algae, dinoflagellates, corals, cephalopods, echinoderms, and sharks. Additionally, the fishing industry relies heavily on marine ecosystems, as they serve as the primary source of commercial seafood harvested from wild populations.

So, the correct option is (C): Benthonic and brown algae

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Concepts Used:

Ecosystem

An ecosystem is a structural and functional unit of ecology where the living organisms come in to interact with each other and the surrounding environment.

Structure of the Ecosystem:

The structure of an ecosystem is distinguished by the organization of both biotic and abiotic components. This involves the distribution of energy in our environment. It also comprises the climatic conditions prevailing in that particular environment. 

There are two main components of the structure of an ecosystem, namely: 

  • Biotic Components
  • Abiotic Components

The biotic and abiotic components are interconnected in an ecosystem. It is an open system where the energy and components can flow through the boundaries.