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Over time this process gives rise to new species of organisms. This is called. evolution. . Variation can be caused by small changes in DNA called mutations. Most of these have no effect, some are ...
adaptation, in biology, the process by which a species becomes fitted to its environment; it is the result of natural selection ’s acting upon heritable variation over several generations. Organisms are adapted to their environments in a great variety of ways: in their structure, physiology, and genetics, in their locomotion or dispersal, in ...
Living things are adapted to their habitats. This means that they have special features that help them to survive. An African elephant, for example, lives in a hot habitat and has very large ears ...
Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. [25][26][27] 2. Adaptedness is the state of being adapted: the degree to which an organism is able to live and reproduce in a given set of habitats. [28]
Oct 19, 2023 · noun. a modification of an organism or its parts that makes it more fit for existence. An adaptation is passed from generation to generation. behavioral adaptation. noun. way an organism acts in order to survive or thrive in its environment. biological adaptation. noun.
Watch: Animal adaptations. Over time, all living things such as plants and animals have changed or adjusted in different ways to suit their environment to help them survive. These special features ...
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May 15, 2022 · Second, he proposed a mechanism - natural selection - to explain how evolution takes place. Evolution involves two interrelated phenomena: adaptation and speciation. In adaptation, over the course of time, species modify their phenotypes in ways that permit them to succeed in their environment. In speciation, over the course of time, the number ...
