Describe an environmental factor that could influence natural selection and decrease genetic diversity. Pick a specific example to illustrate your point.
Understand the Problem
The question is asking for a specific environmental factor that can influence natural selection and contribute to a decline in genetic diversity. It requires the respondent to provide a detailed description along with a concrete example to illustrate this relationship.
Answer
Habitat destruction can decrease genetic diversity by limiting populations, as in deforestation reducing the range of tree-dwelling animals.
A notable environmental factor influencing natural selection and decreasing genetic diversity is habitat destruction. For example, deforestation reduces habitats for many species, limiting food sources and breeding areas. This pressures populations to adapt quickly, often reducing genetic diversity due to a smaller gene pool.
Answer for screen readers
A notable environmental factor influencing natural selection and decreasing genetic diversity is habitat destruction. For example, deforestation reduces habitats for many species, limiting food sources and breeding areas. This pressures populations to adapt quickly, often reducing genetic diversity due to a smaller gene pool.
More Information
Environmental alterations can create intense selection pressures. In deforestation, only species with adaptable traits survive, reducing genetic variation.
Tips
A common mistake is overlooking the long-term impacts, such as how a reduced gene pool might lead to inbreeding.
Sources
- How the Environment Affects Natural Selection - study.com
- Active Writing About a Factor that Decreases Genetic Diversity - numerade.com
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