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Read the following statements and select the correct ones.
(i) A given species may occupy more than one trophic level in the same ecosystem at the same time.
(ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem.
(iii) Producers constitute the first trophic level of a detritus food chain.
  • a)
    (i) and (ii)
  • b)
    (ii) and (iii)
  • c)
    (i) and (iii)
  • d)
    (i), (ii) and (iii)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Read the following statements and select the correct ones.(i) A given ...
Decomposers and detritivores constitute the first trophic level of a detritus food chain.
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Most Upvoted Answer
Read the following statements and select the correct ones.(i) A given ...




Explanation:


I. A given species may occupy more than one trophic level in the same ecosystem at the same time.

This statement is true. A species can occupy multiple trophic levels in the same ecosystem. This can happen when an organism has multiple food sources or when it plays different roles in the ecosystem. For example, a carnivorous animal may occupy a higher trophic level when it feeds on herbivores, but it can also occupy a lower trophic level when it scavenges on dead organisms or consumes plant matter.


II. Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem.

This statement is false. Aquatic ecosystems can have higher productivity compared to terrestrial ecosystems. This is because aquatic ecosystems have a continuous supply of water which allows for more efficient nutrient cycling and higher primary productivity. Additionally, aquatic ecosystems can support a larger biomass due to the buoyancy provided by water, allowing for more energy flow through the food web.


III. Producers constitute the first trophic level of a detritus food chain.

This statement is true. In a detritus food chain, the first trophic level is occupied by decomposers that break down dead organic matter into simpler forms. These decomposers, including bacteria and fungi, are responsible for the decomposition and recycling of nutrients from dead organisms. They are considered producers in the detritus food chain as they convert organic matter into inorganic nutrients that can be used by other organisms.


Therefore, the correct statements are (i) and (iii).




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Read the following statements and select the correct ones.(i) A given species may occupy more than one trophic level in the same ecosystem at the same time.(ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem.(iii) Producers constitute the first trophic level of a detritus food chain.a)(i) and (ii)b)(ii) and (iii)c)(i) and (iii)d)(i), (ii) and (iii)Correct answer is option 'A'. Can you explain this answer?
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