Ostriches are native to the savannahs of Africa, while penguins live in the polar regions. Although ostriches and penguins are closely-related, they look very different.

PATTERNS OF EVOLUTION

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

A	sexual selection
B	coevolution isolation
C	divergent evolution
D	convergent evolution

Explanation:

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.

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