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Which process is a cause of variation in a species?
Sexual Reproduction Genetic mutation
What causes varation in traits?
Genotypic variation is caused by mutation. Phenotypic variation can be caused by mutation, which gives rise to different alleles, or it can be caused by environmental factors.
What would most unpredictably affect an ecosystem?
The introduction of a new invasive species, a sudden change in climate patterns, or a large-scale natural disaster like a wildfire or earthquake could unpredictably affect an ecosystem by disrupting its delicate balance of species interactions and environmental conditions.
What is the relationship between mutation rates and generation span?
The relationship between mutation rates and generation span is that they both have in impact on the Mitochondrial DNA diversity patterns,unexpected variation of mutation rate across species
How is natural selection done?
Genetic mutation and variation are the main drivers of phenotype characteristic differences among species. The organisms in a population that are better suited to survive and reproduce, survive and reproduce (propagate) more than the organisms that are less suited. Add to that sexual selection and you get a wide variety of species that seem to have been designed but were sculpted by blind processes. The process of genetic mutation and variation is not a hypothesis but a scientific theory that is based on observable facts and evidence.
What is the difference between a variation and a mutation?
mutation is an alteration in the nucleotide sequence of a gene whereas variation is any difference between individuals of a particular species.
Which process is a cause of variation in a species?
Sexual Reproduction Genetic mutation
A change in the genetic material that produces variation in a species may be the result of?
immigration, mutation and sexual reproduction.
Which process produces the most variation within a species?
Variations occurs in species due to the process of "Crossing over"
What is a major cause of variation within species?
Genetic variation, caused by mutations in DNA, is a major source of variation within species. Mutations can lead to differences in traits such as color, size, and behavior, allowing for natural selection to act upon these variations.
How does genetic variation and mutations relate to each other?
mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable
What provides the source of variation in evolution?
Mutation, such as insertion, deletion and rarely frameshift mutation. Sexual recombination, is sexually reproducing species. This includes, in meiosis, the independent assortment of chromosomes and crossing over. Then there is random fertilization to provide a last source of variation.
What is an inherited trait that makes an individual different from other members of the same species and results from a mutation in the organisms genes called?
Variation
What is variation in evolution?
A variation of a gene is called and allele. Different alleles are caused by mutations.
The original source of genetic variation that serves as the raw material for natural selection is what?
Generally, mutation.
What causes varation in traits?
Genotypic variation is caused by mutation. Phenotypic variation can be caused by mutation, which gives rise to different alleles, or it can be caused by environmental factors.
What effect does variation development have on a species?
If you mean variation development as in a genetic mutation within a certain species, it can have a very significant effect on that species. genetic mutation is the first step to Darwin's theory of evolution and survival of the fittest. Because of the mutation that occurs within an animal of the species, it will have the potential to either die quickly because of it, or outlive its fellow animals, because it's mutation was actually beneficial to its survival, such as a bird obtaining a different shaped beak and therefore being able to obtain more food in its habitat than the others. The bird with the mutated gene, having outlived some of the non-mutated bird, will then reproduce to breed more birds with changed-beaks--as the cycle goes on, the species changes to adapt to its surroundings through many hundreds of generations of offspring and therefore forming the species to its environment and even, potentially creating a whole new species. Overall, variation development helps a species survive and grow to best fit their environment and their needs as a species to survive and reproduce.
