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Define genetic diversity.
The variety of genes within a population.
What is a selective pressure?
An environmental factor that favors certain traits, influencing survival and reproduction.
Define adaptive trait.
An allele that is beneficial in one environment but might be harmful in another.
What is antibiotic resistance?
The ability of bacteria to survive exposure to antibiotics due to specific genes.
Define species resilience.
The capacity of a species to recover quickly from difficulties or disturbances.
What is the effect of high genetic diversity in a population?
Increased resilience to environmental changes and reduced risk of extinction.
What is the effect of low genetic diversity in a population?
Increased vulnerability to environmental changes and higher risk of extinction.
What is the effect of introducing a new predator that prefers smaller prey?
A decrease in the frequency of alleles for smaller body size and a potential reduction in genetic diversity.
What is the effect of antibiotic use on bacteria populations?
Selection for antibiotic-resistant bacteria, leading to an increase in their prevalence.
What is the effect of pesticide use on insect populations?
Selection for pesticide-resistant insects, leading to an increase in their prevalence.