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VLD [36.1K]
3 years ago
5

Discuss each of the following interspecific relationships, including reference to the species involved, their role in the intera

ction, and the specific characteristics of the relationship:
(a) Mutualism between ruminant herbivores and their gut microflora

(b) Commensalism between a shark and a remora

(c) Parasitism between a tapeworm and its human host

(d) Parasitism between a cat flea and its host.
Biology
1 answer:
BabaBlast [244]3 years ago
5 0
Ruminant herbivores gain from the microflora in their gut through digestion of cellulose and in return, the microflora gets the nutrients from the ruminants. The shark doesn't benefit from the remora but the remora gets a free ride from the shark and it feeds on the leftovers from the shark's meal. The human host loses nutrients because the tapeworm gets to eat the food provided by the host. Cats provide shelter and food for the flea but the cat becomes anemic because of blood loss from its parasites.
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77julia77 [94]

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\frac{1}{8}

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Then the selected trihybrid traits for the cross will be (HHH,HHt, HtH, Htt, tHH, tHt, ttH, ttt)

We will realize that from the punnet square in the diagram below, the proportion of the offspring would you expect to be heterozygous for all three traits (i.e HtHtHt) is asterisk in the punnet square and will be \frac{8}{64}

= \frac{1}{8}

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