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Temporal isolation between populations is caused by differences in the timing of reproductive activities, such as mating seasons or times of day when individuals are most active. This can prevent individuals from different populations from mating and producing offspring, leading to reproductive isolation.
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What causes geographic isolation?
Geographic isolation can be caused by physical barriers such as mountains, rivers, and oceans that separate populations of species, preventing them from interbreeding. Additionally, human activities such as deforestation and urbanization can fragment habitats, leading to isolation of species. Natural events like volcanic eruptions or earthquakes can also create geographic isolation over time.
What is a scenario causes gene flow?
A scenario that causes gene flow is when individuals from one population migrate to and interbreed with individuals from another population, exchanging genetic material. This movement of individuals can result in the transfer of genes between populations, increasing genetic diversity and potentially altering the genetic makeup of both populations.
What characteristic within populations causes natural selectio?
Variation in traits within populations is the characteristic that causes natural selection. This variation could be due to genetic differences or environmental factors, and individuals with traits that are better adapted to their environment are more likely to survive and pass on their genes to the next generation. Over time, this process leads to the evolution of populations as adaptations become more common.
Who would most likely study the causes of a present-day epidemic?
Epidemiologists would study the causes of a present-day epidemic. They investigate the patterns and causes of diseases in populations to help prevent and control outbreaks.
The temporal bone is the hardest in the body What does it protect?
The temporal bone protects the temporal lobe of the brain, which is responsible for functions such as memory, hearing, and speech. It also encases important structures such as the inner ear and the middle ear.
