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 Form 2 Biology respiration questions and answers

(a) A dog weighing 15.2kg requires 216kj while a mouse weighing 50g requires 2736kj per day. Explain.
(b) What is the end product of respiration in animals when there is insufficient oxygen supply?

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Answer Text:
a)- A mouse has a larger surface area to volume ratio than a dog hence loses more energy per unit body weight/ mouse loses heat faster
than a dog so require more energy to replenish lost energy.
b)- Lactic acid
- Energy/Adenosine Triphosphate.


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