LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The Tasmanian devil is a marsupial that resembles the North America wolf, which is a mammal. These do not have a common ancestor but have taken on similar forms. WHat type of evolution does this show?

A	adaptive radiation
B	divergent evolution
C	founder effect
D	convergent evolution

Explanation:

Detailed explanation-1: -Examples of convergent evolution include the relationship between bat and insect wings, shark and dolphin bodies, and vertebrate and cephalopod eyes. Analogous structures arise from convergent evolution, but homologous structures do not.

Detailed explanation-2: -It is a most unusual mammal, found only on the island state of Tasmania, a part of Australia. It is also a marsupial, related to koalas and kangaroos.

Detailed explanation-3: -Convergent Evolution vs. In many ways, divergent evolution is the opposite of convergent evolution. Whereas convergent evolution involves unrelated species that develop similar characteristics over time, divergent evolution involves species with a common ancestor that change to become increasingly different over time.

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