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Natural selection is the non-random differential reproductive success of variant traits. The process has no components per sé. It does, however, rely on a few key conditions, assumed to be present in all life. The assumptions it rests upon are:
- That life reproduces with variation in inherited traits.
- That a population always produces slightly more offspring than can comfortably subsist in its niche.
- That offspring therefore, directly or indirectly, compete for resources and mating opportunities.
- That differences in inherited traits affect the average number of fertile offspring raised by individuals.
- That traits that allow their bearers to raise a higher average number of fertile offspring spread throughout the population faster than rival traits.
What else can I help you with?
What requires natural selection to occur in a population?
Natural selection requires variation in traits within a population, heritability of those traits, and differential reproductive success based on those traits. Without these components, natural selection cannot act on a population.
What process in which organisims with traits well suited to an environment are more likely to survive and to produce offspring is?
This process is called natural selection. It is the mechanism by which traits that provide a survival or reproductive advantage to an organism become more common in a population over time.
What comes first mutation or natural selection?
Natural selection can only work on genetic variation that already exists. So mutation comes first, then natural selection.
How has the natural selection harmed the ecosystem?
It hasn't. Natural selection is a key part of the ecosystem itself.
What does natural selection have to do with biodiversity?
Natural selection is the mechanism primarily responsible for the development of today's biodiversity.
What are 3 basic components to today's theory of evolution?
Three basic components of today's theory of evolution are genetic variation within a population, natural selection acting on this variation, and the inheritance of traits that confer a survival or reproductive advantage.
What requires natural selection to occur in a population?
Natural selection requires variation in traits within a population, heritability of those traits, and differential reproductive success based on those traits. Without these components, natural selection cannot act on a population.
All of these terms EXCEPT contribute to natural selection?
Genetic drift, as it is a random process that does not necessarily contribute to the differential survival and reproduction of individuals. Variation, heritability, and differential reproductive success are essential components of natural selection.
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.
Adaptation which allows for natural selection is called?
Adaptation does not allow for natural selection: natural selection causes adaptation.
What is the prefix and suffix of natural selection?
The prefix of natural selection is "natural" and the suffix is "-tion".
What are the basic components of CPU?
describe the tow basic components of the CPU
What are basic components of CPU?
describe the tow basic components of the CPU
How does genetic variation support Natural Selection?
Genetic variation in itself does not 'support' natural selection: it is what natural selection acts upon.
The mechanism by which organisms evolve is known as?
Natural Selection
What principles includes variation and competition?
Natural selection.
What is another term for the surivival of the fittest?
Natural selection
