Maintaining high genetic diversity allows species to adapt to future environmental changes and avoid inbreeding. Inbreeding, which happens when there are small, isolated populations, can reduce a species’ ability to survive and reproduce.
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Why is genetic variation so important to the survival of a species?
Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.
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Why is increased genetic diversity tied to an increased chance of survival for populations?
The greater the variation in genes, the more likely is that individuals in a population will possess the differentiated genes which are needed to adapt to an environment. The theory of natural selection suggests that it is this variety of genes that allows species to evolve, adapt and propagate successfully.
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Does the genetic variation of traits within a population affect its probability for survival?
Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival of a population in the face of changing environmental circumstances.
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Why low genetic diversity in a population threatens the survival of the population?
Populations with low genetic diversity may not be able to adapt to challenges such as changing environmental conditions, shrinking habitats or new diseases, which could put them at risk of disappearing.
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Why does genetic diversity increase survival?
Maintaining high genetic diversity allows species to adapt to future environmental changes and avoid inbreeding. Inbreeding, which happens when there are small, isolated populations, can reduce a species’ ability to survive and reproduce.
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Does genetic diversity increase chance of survival?
Genetic diversity is important because it gives species a better chance of survival. However, genetic diversity can be lost when populations get smaller and isolated, which decreases a species’ ability to adapt and survive.
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How does increased genetic diversity increased chance of the survival of species in an ecosystem?
It strengthens the ability of species and populations to resist diseases, pests, changes in climate and other stresses. Gene variations underpin their capacity to evolve and their flexibility to adapt.
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Why does species diversity increase the survival rate of an organism?
Over time, species have developed traits to help them flourish in their natural environment and survive in changing environments. The more diverse genes a species has, the better its chances of resisting disease, prevailing over other stresses and adapting to changing conditions.
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How does genetic variation affect a species survival?
Genetic variations that alter gene activity or protein function can introduce different traits in an organism. If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection).
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How does genetic diversity affect a populations chances of survival?
Maintaining high genetic diversity allows species to adapt to future environmental changes and avoid inbreeding. Inbreeding, which happens when there are small, isolated populations, can reduce a species’ ability to survive and reproduce.
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What is genetic variation and how does it help a population to survive?
Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival of a population in the face of changing environmental circumstances.
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Does variation increase the chance of survival of living things?
Genetic variation in a group of organisms enables some organisms to survive better than others in the environment in which they live. Organisms of even a small population can differ strikingly in terms of how well suited they are for life in a certain environment.
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How does low genetic diversity affect a population?
Accordingly, populations lacking genetic diversity often exhibit an increased rate of extinction (Markert et al. 2010). Inbreeding, genetic drift, restricted gene flow, and small population size all contribute to a reduction in genetic diversity.
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Why is genetic diversity within a population typically very important for the survival of that population?
Genetic variation is essential for a species, in particular, because it allows them to adapt to different environmental conditions. As a result, the species is less likely to become extinct and therefore survive for a long time.
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Does high genetic diversity leads to lesser chances of survival for the species?
Greater biodiversity in ecosystems, species, and individuals leads to greater stability. For example, species with high genetic diversity and many populations that are adapted to a wide variety of conditions are more likely to be able to weather disturbances, disease, and climate change.
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