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1. Natural selection-Natural selection acts on phenotype-Phenotype faces environment (biotic/abiotic)

Question

1. Natural selection

  • Natural selection acts on phenotype
  • Phenotype faces environment (biotic/abiotic)
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Solution

  1. Natural selection is a process in nature in which organisms possessing certain genotypic characteristics that make them better adjusted to an environment tend to survive, reproduce, increase in number, and therefore, are able to pass on these favorable genetic characteristics to their offspring.

  2. Natural selection acts on the phenotype because it is the physical and behavioral traits of an organism that interact with the environment. If these traits are beneficial, the organism is more likely to survive and reproduce, passing on these traits to the next generation.

  3. The phenotype of an organism faces both biotic and abiotic factors in the environment. Biotic factors include other organisms, such as predators, prey, and other members of the same species. Abiotic factors include physical conditions such as temperature, light, and water availability. Both types of factors can influence which traits are beneficial and therefore subject to natural selection.

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