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Which tends to occur more quickly natural selection or artificial selection?
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Does natural selection occur in the world today?
Yes, natural selection is always occurring.
What requires natural selection to occur in a population?
genetic variation
Can natural selection occur without variation in a population?
no there is no genetic variation for natural selection to act upon
Are new alleles made by natural selection?
No - natural selection does not create new alleles. Variation in alleles needs to exist in the population in order for natural selection to occur. Natural selection will involve the change in allele frequencies over time, but it does not create new alleles. New alleles are the result of mutations.
Mendelevium does it occur naturally in nature or is manmade?
Mendelevium is an artificial chemical element.
Why did artificial selection interest Darwin?
Artificial selection interested Darwin because it demonstrated that traits could be modified over generations through selective breeding. This process allowed humans to intentionally choose which traits were passed on to offspring, leading Darwin to realize that a similar natural process could occur in nature, driving evolution through natural selection.
Does natural selection occur in the world today?
Yes, natural selection is always occurring.
Why would natural selection not occur in this poplutation?
What population? Perhaps you mean if there were no variation for natural selection to select from.
What is the third step in natural selection?
There are really no steps in natural selection - just conditions required for it to occur.
How is genetic diversity important to the concept of natural selection?
Without genetic diversity, natural selection cannot occur
what causes natural selection to occur?
the presence of predators
Can natural selection occur in an individual organism?
No, its a group thing.
What requires natural selection to occur in a population?
genetic variation
Can natural selection occur without variation in a population?
no there is no genetic variation for natural selection to act upon
What term is defined as natural change that occur in communities over time?
Natural selection
Why are variations in a species needed for natural selection to occur?
What would be selected if organisms did not have differences that lead to better survival and reproduction, or the opposite. That is all natural selection is.
What characteristic within populations cause natural selection to occur?
Genetic variation. If there were no variation in the genes/phenotype then natural selection would have nothing to select from.
