EVOLUTION
PATTERNS OF EVOLUTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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sexual selection
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coevolution isolation
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divergent evolution
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convergent evolution
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Detailed explanation-1: -Dolphins, penguins, and sharks are distantly-related species that share similar characteristics which help them live in water. This is an example of CONVERGENT evolution.
Detailed explanation-2: -Ostriches (birds) and giraffes (mammals) are both native to the savannahs of Africa. They share the same characteristic of a very long neck. The beaver in North America and the capybara in South America share a common ancestor, but have evolved over time to look different.
Detailed explanation-3: -Darwin defined evolution as “descent with modification, ” the idea that species change over time, give rise to new species, and share a common ancestor.
Detailed explanation-4: -The term coevolution is used to describe cases where two (or more) species reciprocally affect each other’s evolution.