Science, asked by gollalaakshithyadav, 7 months ago

4 points
14. Some parasites cause an
abnormal increase in the size
of the infected host cells. This
effect is called
O Parasitic castration
O Gigantism
O
Hypertrophy
O Neoplasia​

Answers

Answered by bhanuprakash27
1

Answer:

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Answered by prachi7026
0

Answer:

Parasites often induce life-history changes in their hosts. In many cases, these infection-induced life-history changes are driven by changes in the pattern of energy allocation and utilization within the host. Because these processes will affect both host and parasite fitness, it can be challenging to determine who benefits from them. Determining the causes and consequences of infection-induced life-history changes requires the ability to experimentally manipulate life history and a framework for connecting life history to host and parasite fitness. Here, we combine a novel starvation manipulation with energy budget models to provide new insights into castration and gigantism in the Daphnia magna–Pasteuria ramosa host–parasite system. Our results show that starvation primarily affects investment in reproduction, and increasing starvation stress reduces gigantism and parasite fitness without affecting castration. These results are consistent with an energetic structure where the parasite uses growth energy as a resource.

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