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Elenna [48]
3 years ago
8

With evolution as the core theme of biology, we can explain traits shared by organisms as evidence of __________ and traits that

differ among organisms as evidence of __________.
Biology
1 answer:
Masja [62]3 years ago
3 0
Decent from a common ancestor; natural selection.
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julsineya [31]

The evolution of H. floresiensis is an example of island dwarfism.

Explanation:

H. floresiensis is a species of hominid. It differs significantly than the other hominid species in size though, as it appears to be a dwarfed version of its ancestors and close relatives. Its alleged ancestor is literary twice taller, which brings in the question as to what has triggered such an evolutionary adaptation.

This hominid species lived only on a relatively small island, in isolation. The resources are very limited, and the climate is warm and humid all year around. As seen in many species of animals, when individuals get into such an environment, they tend to experience either island dwarfism, or island gigantism. The island dwarfism tends to be common among large and medium sized species, while the island gigantism tends to be more common among the small species.

When the ancestors of H. floresiensis ended up in this environment, it was advantageous for them to smaller. The reason for that is that smaller bodies require less nutrition, and are also producing less heat.

Learn more about the effects an island has on the animals brainly.com/question/12372014

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