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Without variation there is nothing to select for against the background of an immediate environment and thus no evolution as alleles, not selected for, would not change over time in this population of organisms.

Without variation the environment can change quickly and send your population to extinction if there were no variants that could meet this challenge.

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13y ago
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4mo ago

Variation within populations allows for adaptation to changing environments, increasing the chances of some individuals surviving and reproducing. This genetic diversity also helps buffer populations against diseases and other threats, ultimately ensuring the long-term survival of the species.

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Q: Why is it important that variation exists within populations of a species?
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Does variation within the same species exist?

Yes, variation within the same species exists due to differences in genetic makeup, environmental factors, and adaptations to different habitats. This variation allows species to adapt to changing environments and is essential for evolution and survival.


What are the four major points of Darwin?

Species evolve over time through a process of natural selection. All species share a common ancestor. Variation exists within populations, leading to differential survival and reproduction. Evolution is driven by the accumulation of small, gradual changes over long periods of time.


What are six factors of macroevolution?

Genetic variation: Variation in the genetic material of a population allows for the evolution of new traits and adaptations. Natural selection: The process by which individuals with advantageous traits are more likely to survive and reproduce, leading to changes in the population over time. Genetic drift: Random changes in the frequency of genetic traits within a population, especially in small populations. Gene flow: The transfer of genes between populations through migration, which can introduce new genetic variation. Mutation: The ultimate source of genetic variation, mutations can lead to the formation of new traits. Environmental changes: Changes in the environment can drive selection pressures that shape the direction of evolution.


Why does meiosis exist?

Meiosis exists to ensure genetic diversity and reduce chromosome number in gametes, helping to maintain the correct chromosome number in the offspring. It also facilitates sexual reproduction by producing haploid gametes that combine to create genetically unique offspring.


Why does some genetic variation exist in members of the same species?

Genetic variation in members of the same species arises from processes such as mutation, genetic recombination, and genetic drift. These processes introduce differences in the DNA sequence of individuals, leading to variations in traits within a population. This variation is essential for adaptation to changing environments and for the survival of a species.

Related questions

Variation exists within the genes of every population or species as the result of what?

Variation exists within the genes of every population or species as the result of natural selection. The other reason is due to neutrality of mutations.


Does variation within the same species exist?

Yes, variation within the same species exists due to differences in genetic makeup, environmental factors, and adaptations to different habitats. This variation allows species to adapt to changing environments and is essential for evolution and survival.


What are the four major points of Darwin?

Species evolve over time through a process of natural selection. All species share a common ancestor. Variation exists within populations, leading to differential survival and reproduction. Evolution is driven by the accumulation of small, gradual changes over long periods of time.


Variety in species exists exist because?

Variety in species exists due to genetic variation that arises from random mutations and recombination of genes during reproduction. This variation allows species to adapt to different environments, enabling them to survive and reproduce in diverse conditions. It also promotes biodiversity, which is essential for ecosystem stability and resilience.


What does it mean when Darwin saw that variation exists within a species?

When studying and proving the theory of evolution, Darwin notice that variations existed within species. Species includes organisms that are closely related and can mate to produce fertile offspring. Variation is a difference. Darwin noticed that there were more than one organism inside a species.


How much variation exists in nature?

There is a vast amount of variation in nature, as organisms are subject to genetic mutations, environmental influences, and natural selection. This variation allows species to adapt to different habitats and ecological niches, promoting biodiversity and resilience in ecosystems.


When no living members of a species exists the species .?

when there are no living members of a species the species is said to be "extinct".


The genetic variation that exists in nature is enough to satisfy the needs of breeders?

TRue


Is genetic variation the exists in nature is enough to satisfy the needs of breeders?

Yes...


Define Extinct Species?

An extinct species is a species of organisms which no longer exists on the planet or has ceased to exist. ORAn extinct species is a species that has completely disappeared from the planet i.e. a single living specimen of which, neither male nor female, exists on earth.


Which of these is true of an extinct species?

It no longer exists on the planet


Groups into which organisms are classified?

taxon