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Genetic variation that can be acted on by environmental pressure. Reproductive population that results in more organisms than can be supported by the ecosystem resulting in competition for limited resources, the ability of the organism to transmit genetic information to the next generation.
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What are three reasons for natural selection to occur?
1. different breeding 2. evolution 3.adaptation
What characteristic witin populations causes natural selection to occur?
The characteristic within the population that causes natural selection to occur is that individuals within a given population are not all identical because they vary. The other characteristic that causes natural selection to occur is that some variants are better than the others.
When will natural selection occur?
when there is competition
What causes the allele frequencies to changes?
1. Mutation 2. Migration (Gene Flow): both immigration and emigration. 3. Genetic Drift 4. Sexual Selection (Non-random mating) 5. Natural Selection: those most fit survive to pass on their genes to the next generation.
What is the mechanism that allows organisms to evolve?
1) Natural Selection 2) Climate changes 3) Geographical events 4) Radiations of organism into new habitats 5) Changes in ecosystem 6) Changes in continental position Above are mechanisms of selection, the environment, basically. Mechanisms of evolution are; mutation, gene flow. genetic drift and most importantly for adaptive changes, natural selection
What are three reasons for natural selection to occur?
1. different breeding 2. evolution 3.adaptation
Natural 3 musketeer ingredients?
squishee
What characteristic witin populations causes natural selection to occur?
The characteristic within the population that causes natural selection to occur is that individuals within a given population are not all identical because they vary. The other characteristic that causes natural selection to occur is that some variants are better than the others.
What are the release dates for Un-Natural Selection - 2011 Cooking with Gas 1-3?
Un-Natural Selection - 2011 Cooking with Gas 1-3 was released on: USA: 2011
When will natural selection occur?
when there is competition
What conditions are necessary for populations to remain in hardy Weinberg equilibrium?
Mutation cannot occur
What are the ratings and certificates for The New Statesman - 1987 Natural Selection 3-5?
The New Statesman - 1987 Natural Selection 3-5 is rated/received certificates of: UK:15 (video rating) (2000)
3 energy roles in a food chain?
niche, natural selection, and adaption
Why does natural selection occurs too be more quickly?
A lot of natural selection occurs very slowly. It took the evolution of the dog from the wolf to take at least 14,000 years. It took singled celled life 3+billion years to evolve into multicellular life.
What is the explanation for the four steps of natural selection?
overproduction: to many offspring and 3 others
What are the conditions that must be met for a population to stay in genetic equilibrium?
Hardy-Weinberg equlibrium is reached and maintained under the following conditions:Large populationRandom matingNo mutationNo natural selectionNo emigration/immigration
What conditions contribute to evolution?
Variability, heredity, and natural selection are 3 main things that contribute to evolution.
