The mass of a female of one species of bats feeding on insects does not exceed 5 g, and each of her two cubs is 1 g. What kind of insect biomass should a female use to feed her cubs with milk for a month, until the mass of each of them is 4.5 r?
Within a month, each calf must grow by 3.5 g, that is, both must add 7 g. According to the 10% rule, they must consume 70 g of milk, and the female mother must accordingly eat 700 g of insects in order to produce milk for the young … But after all, the female herself needs to receive food energy, which will be 5 g x 10 = 50 g. In total, in order to raise cubs within a month, a female bat must consume 750 g (700 + 50) insects.
Answer: 750 g.
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