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What is the role of variation of an elephant in the process of natural selection?
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What process in which organisims with traits well suited to an environment are more likely to survive and to produce offspring is?
natural selection
How many parts does the process of natural selection have?
4
What is the main difference between natural selection and genetic drift?
The main difference to remember is that natural selection is a nonrandom process while genetic drift is a random process.
What is a sub-process of natural selection?
Natural selection has no "sub-processes". It is a continuous process that happens under particular circumstances. The process of speciation is a related process, by which genetically distinct populations evolve from a common ancestor.
When organisms carry genes that make them more likely to survive to reproduce the process called what occurs?
natural selection
Is natural selection a process or a result of a process?
Natural selection is only the result of changing environments, mutation and the variation resulting therein. Natural selection is the process of adaptive change and the main mechanism of evolution that leads to speciation. Natural selection is a process as mutation and variation are grist to the mill of natural selection.
What are the phases of Natural Selection?
The four stages are: Overproduction, Genetic Variation, Struggle to Survive, and Successful Reproduction
Genetic variation is a necessary condition of which process?
Genetic variation is one of the conditions required for Natural Selection to occur.
Natural selection causes changes in populations of organisms not individual organisms because?
differential reproductive success caused by genetic variation is necessary for the process of natural selection.
Can an organism evolve?
By the process of natural variation and selection by survival of the fittest.
What was Charles Darwin's theory on the driving force of evolution called?
Darwin claimed it was the process of natural selection that drove evolution. However this is incomplete, without both a process that creates variation and the process of natural selection evolution could not work. There are many processes that create variation (e.g. mutation, crossover, transformation, infection, conjugation, polyploidy).
Why would natural selection not occur in population?
It has not reached carrying Capacity
What process provides the genetic variability that natural selection acts on during evolution?
The ultimate source of variation is mutation. However, recombination, or crossing over, can produce enormous amounts of variation by shuffling alleles into different combinations. Combined, the two processes produce the variation upon which natural selection can act, and which results in evolution.
Explain the role of variation in evolution?
Variation plays a role in the process of natural selection because it keeps things mixed up. This is necessary so that one thing doesn't overtake another, ruling it out. If things are equal, one can't overrule another.
What are the 3 ingredients for natural selection to occur?
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.
What is the name for the process in which the organisms best adapted to their environment survive?
Its NaTuRaL sElEcTiOn if you didn't know.
Why is natural selection random?
No. Natural selection is the non-random survival of randomly varying replicators. The random variation part could be thought of as mutation and recombination that the non-randompart, natural selection, works with.
