NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A trait that helps a species survive is a(n) ____
A
characteristic
B
adaptation
C
survival trait
D
variation
Explanation: 

Detailed explanation-1: -An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.

Detailed explanation-2: -A trait is an aspect of the whole or of a certain portion of the developmental pattern of the organism. An adaptive trait is, then, an aspect of the developmental pattern which facilitates the survival and/or reproduction of its carrier in a certain succession of environments.

Detailed explanation-3: -Examples include the long necks of giraffes for feeding in the tops of trees, the streamlined bodies of aquatic fish and mammals, the light bones of flying birds and mammals, and the long daggerlike canine teeth of carnivores. All biologists agree that organismal traits commonly reflect adaptations.

Detailed explanation-4: -Many of the features of organisms that most impress us are adaptations. Learn about what evidence biologists look for to determine if a trait is an adaption and common misconceptions regarding adaptations. However, not all traits of organisms are adaptations.

Detailed explanation-5: -“Adaptation is defined as the process where a species or an organism gradually becomes better acclimated to its environment.” Adaption refers to the behavioral or physical attributes of an animal that helps them survive better in its ecosystem.

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