choose if you agree or not with the statement and explain why. Fishes become more active...

choose if you agree or not with the statement and explain why.

Fishes become more active & increase their metabolism, as temperature increases. This lead to a decrease of the oxygen demand of the organisms?

Solutions

Expert Solution

Fishes, Amphibians and reptiles are ectotherms. Their body temperature keeps increasing with the increase in the temperature of the environment and decreasing with the decrease in the temperature of the environment.
In fishes and other ectotherms, rising temperature increases the standard metabolic rate, because enzymes responsible for metabolism will be more active at rising temperature upto a particular extent. When metabolism increases, the energy required for the metabolism also increases. In order the energy to be generated more cellular respiration has to be carried out, for which more oxygen is needed.
So, at increasing temperatures, more oxygen demand will be there in fishes.

So, in the above given statement, fishes become more active and increase their metabolism as temperature increases - is correct

But "this lead to a decrease of the oxygen demand of the organisms" is not correct.

gladiator answered 1 year ago

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