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What population?
Perhaps you mean if there were no variation for natural selection to select from.
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∙ 11y ago
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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.
Why would natural selection not occur in population?
It has not reached carrying Capacity
Is inheritance a requirement for natural selection?
Yes it does. Without variance in the organisms genome, that gives variance to the phenotype, there would be nothing for natural selection to select from.
How is natural selection used in artificial selection?
Natural variation in artificial selection is used because humans choose from among the naturally occurring variation s in species. Natural selection is related to species fitness because Darwin called natural selection survival of the fittest because those that could survive would carry their species on there for being the naturally selected.
What best explains a natural selection in a antelope population?
How it changes in response to its environment.
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.
The highest rate of natural selection would probably occur when?
This would occur when organisms showing many genetic differences caused by mutations and genetic recombination reproduce in a changing environment.
A small number of finches live in a protected bird area. They are given as much food as they need and have plenty of space. Why would natural selection not occur in this population?
There is no need for it to occur. Only if the environment changes and less food is found would there be a change. The environment selects the birds that do the best under the new conditions and the others will die.
Why would natural selection not occur without genetic variations on species?
Without variation it would not be selecting, just random death of identical units.
Why would natural selection not occur in this population?
The population has not yet reached the carrying capacity.-apex :D
Why would natural selection not occur in population?
It has not reached carrying Capacity
What kind of natural Selection would eliminate one extreme?
Directional selection
Can natural selection act upon body shape?
Yes, that would be called the Homologous structure, and that changes in natural selection.
Why must there be variation in a population in order for natural selection to occur?
What would there be to select from if all the organisms in a population were not different in morphology and behavior. Some of these differences are reproductively successful against the immediate environment, and that environment is the natural selector.
What would be the consequences for evolution if there were no reproductive variation?
There would be no adaptive change due to natural selection and only genetic drift due to random events and gene flow due to population mixing would occur. Alleles would change, but without reproductive variation speciation could not occur.
If a population consists only of individuals cloned from a single organism then a Lamarck was right about species change for that populaiton b natural selection would not occur in that population?
Neither. Lamarckian evolution does not take place at all; almost all of his concepts are now known to be incorrect. The population will still undergo mutation, and natural selection for beneficial mutations and against harmful ones will still occur.
