QuestionMay 27, 2025

14. Define and give an example of each of the following: Natural selection Sexual Selection Gentic Flow

14. Define and give an example of each of the following: Natural selection Sexual Selection Gentic Flow
14. Define and give an example of each of the following: Natural selection Sexual Selection Gentic Flow

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Answer

Natural Selection: Adaptation of peppered moths. ### Sexual Selection: Peacock's tail. ### Genetic Flow: Pollen transfer between plant populations. Explanation 1. Define Natural Selection Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring. 2. Example of Natural Selection An example is the peppered moth in England, which evolved darker wings during the Industrial Revolution due to pollution darkening tree bark, providing camouflage from predators. 3. Define Sexual Selection Sexual selection is a mode of natural selection where certain traits increase an individual's chances of mating and reproducing. 4. Example of Sexual Selection An example is the peacock's tail; males with larger, more colorful tails are more attractive to females, increasing their mating success. 5. Define Genetic Flow Genetic flow, or gene flow, is the transfer of genetic variation from one population to another. 6. Example of Genetic Flow An example is pollen being carried by wind or insects from one population of plants to another, introducing new alleles into the population.

Explanation

1. Define Natural Selection<br /> Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring. <br /><br />2. Example of Natural Selection<br /> An example is the peppered moth in England, which evolved darker wings during the Industrial Revolution due to pollution darkening tree bark, providing camouflage from predators.<br /><br />3. Define Sexual Selection<br /> Sexual selection is a mode of natural selection where certain traits increase an individual's chances of mating and reproducing.<br /><br />4. Example of Sexual Selection<br /> An example is the peacock's tail; males with larger, more colorful tails are more attractive to females, increasing their mating success.<br /><br />5. Define Genetic Flow<br /> Genetic flow, or gene flow, is the transfer of genetic variation from one population to another.<br /><br />6. Example of Genetic Flow<br /> An example is pollen being carried by wind or insects from one population of plants to another, introducing new alleles into the population.
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