Natural disasters can lead to genetic drift by causing changes in population size and composition. They can result in the loss of genetic variation, founder effects, and bottleneck effects.
Natural disasters can contribute to genetic drift by causing significant changes in the population size and composition of a species. These events can lead to a random loss of genetic variation by causing the death of certain individuals or wiping out entire populations. For example, in a wildfire, individuals with certain genetic traits may be more vulnerable to the fire and are therefore less likely to survive and reproduce, leading to a decrease in the frequency of those traits in future generations.
In addition, natural disasters can also result in founder effects and bottleneck effects. A founder effect occurs when a small group of individuals become isolated from the larger population and establish a new population. The genetic diversity of this new population is greatly reduced compared to the original population, leading to genetic drift. Similarly, a bottleneck effect occurs when a large population undergoes a drastic reduction in size, reducing genetic diversity. Both of these effects can be caused by natural disasters, such as earthquakes or hurricanes.
Overall, natural disasters can have a significant impact on genetic drift by influencing the frequency and distribution of genetic traits within a population.
#SPJ6
Answer:
big changes in environmental conditions can sometimes cause large changes to the gene pool of a species
Explanation:
hope this helps!
B. sandstone
C. clay
D. salt water