AP BIOLOGY

EVOLUTION

PATTERNS OF EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process by which unrelated organisms come to resemble one another is known as what type of evolution
A
convergent evolution
B
punctuated equilibrium
C
extinction
D
gradualism
Explanation: 

Detailed explanation-1: -Convergent evolution is the process through which organisms that are not closely related gain comparable traits independently as a result of needing to adapt to similar environments or ecological niches.

Detailed explanation-2: -The process by which unrelated organisms come to resemble one another is called convergent evolution. Convergent evolution has resulted in sharks, dolphins, seals, and penguins.

Detailed explanation-3: -Convergent evolution: Convergent evolution occurs when two organisms that lack a recent common ancestor end up more and more alike as they adapt to a similar ecological niche.

Detailed explanation-4: -Convergent evolution occurs when species occupy similar ecological niches and adapt in similar ways in response to similar selective pressures. Traits that arise through convergent evolution are referred to as ‘analogous structures’.

Detailed explanation-5: -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.

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