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- Dictionaryadaptation/ˌadəpˈteɪʃn/
noun
- 1. the action or process of adapting or being adapted: "the adaptation of teaching strategy to meet students' needs" Similar
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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.
- Climatic Adaptation
Climatic adaptation, in physical anthropology, the genetic...
- Cold Adaptation
Other articles where cold adaptation is discussed: climatic...
- Frequency
In adaptation …eventual change in the gene frequency...
- Paedomorphosis
Paedomorphosis, retention by an organism of juvenile or even...
- Industrial Melanism
industrial melanism, the darkness—of the skin, feathers, or...
- Allometry
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- Sesamoid Bone
In adaptation …so-called panda’s thumb, or radial sesamoid...
- Comparative Method
Other articles where comparative method is discussed:...
- Climatic Adaptation
- Examples of Adaptation
- Example of Evolution
- Structural Adaptations
- Physiological Adaptations
- Behavioural Adaptations
In Humans:
Long hours of exposure to the sun results in a tan. As the exposure to heat and UV rays increases, the melanocytes present in the skin ramp up the production of melanin. This pigment helps to absorb the heat and protects the nucleus, thus protecting the DNA from mutation due to UV radiation. Hence, the process of tanning represents how our body adapts to the heat and UV radiation from the sun. Example 2: In high-altitude environments, the human body signals an increase in the production of re...
In Animals:
Animals living in extremely cold environments have thick fur and fat around their body to provide insulation. Pregnant polar bears bulk up on fat before the winter. This is an adaptation that helps them survive the harsh winter where food is very scarce. Sometimes, adaption is often mistaken for evolution, though both are very different processes. Evolution brings about drastic changes that occur in the genetic level, whereas adaptation is a short-term process where the changes that occur are...
Giraffe
Giraffes are the tallest land mammals today, but they weren’t so tall a few million years ago. During the Miocene Epoch, nearly 25 million years ago, the earliest giraffe ancestor was the size of a modern red deer. It did not have a long neck, nor long legs like its modern-day relatives. However, the competition for food with other herbivores was rather stiff. However, the leaves in the taller shrubs and trees was an untapped niche. But only the animals with longer necks were able to graze on...
These are special attributes that involve some parts of an organism’s body, such as skin, colour and shape. These adaptations help the organisms to survive in their natural habitat. Examples include the blubber of a whale, the beak of a woodpecker, baleen of a humpback whale.
These are mechanisms present in an organism that allow it to perform certain biochemical reactions to survive in its natural habitat. Example: A snake’s ability to produce venom, mammal’s ability to maintain constant body temperature. Even the ability of our body to produce hydrochloric acid to digest food is considered as a physiological adaptatio...
These are ways a particular organism behaves to survive in its natural habitat. Migration of animals and birds are considered as a behavioural adaptation. Hibernation and aestivation are also behavioural adaptations. The most significant animal adaptations entirely depend on the type of habitats they are found in. The earth has several natural envi...
Oct 19, 2023 · Adaptation is the biological mechanism by which organisms adjust to new or changing environments. Learn how adaptation differs from evolution, and see examples of biological and behavioral adaptation in various species.
Adaptation affects all aspects of the life of an organism. [24] The following definitions are given by the evolutionary biologist Theodosius Dobzhansky: 1. Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. [25] [26] [27] 2.
An adaptation is a heritable trait that has evolved through natural selection. Adaptation is closely related to biological fitness, which governs the rate of evolution as measured by change in …
Jun 20, 2018 · An adaptation, or adaptive trait, is a feature produced by DNA or the interaction of the epigenome with the environment. While not all adaptations are totally positive, for an adaptation to persist in a population it must increase fitness or reproductive success.
An adaptation is a feature that arose and was favored by natural selection for its current function. Adaptations help an organism survive and/or reproduce in its current environment.
