0
Natural selection is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to future generations. It does give individuals with adaptive traits a competitive edge in their environment, increasing their chances of survival and reproductive success compared to those without these traits.
What else can I help you with?
How does natural selection produce genetic variation within a species?
It's mainly mutations in the DNA and recombination of chromosomes that produce the genetic variation. Natural selection then favors those changes that give rise to greater reproductive success.
Does natural selection take place without human control?
yes natural selection takes place without human control. In natural selection it is the environment selecting the traits/alleles. However there is something called artificial selection which is evident in dog breeding. In that case humans select for the traits. Artificial selection can have detrimental effects on a population though. Some dogs have been selected for being very small and having a flat nose. These dogs are so small now that they cannot give birth naturally and have no use of their nasal passages
How do mutations relate to natural selection?
Mutation, a copying error in the replication of DNA, can give rise to variation in an organisms phenotype and if this new phenotype is beneficial to survival and reproductive success ( as little as 1% ) it will be selected naturally against the immediate environment, then if this so selected organism leave many descendents with the same beneficial traits then the populations gene pool will change in allele frequency and you have evolution. ( a 19th century sentence Darwin would be proud of! )
What happens after long periods of natural selection?
Natural selection is the phrase used to describe the phenomenon of differential reproductive success, meaning that some variants will, on average, produce more offspring than other variants, allowing the alleles that give them this reproductive fitness to spread throughout the population at a faster rate than their rival alleles. Basically, natural selection is what gives evolution "direction." Without natural selection, evolution could be imagined as an expanding circle, with new genotypes forming in every direction. With natural selection, evolution becomes a line that moves off into a particular direction, determined by environmental factors. So imagine putting a pencil on a piece of paper and drawing a short stretch of line. That's what a short period of natural selection does. Now to understand what longer periods achieve, just extend the line. Of course in reality, conditions are always changing, so the line won't be a straight line. Also, sometimes speciations occur, and the line will split into two or more lines, like a branching tree. But basically what happens is that life changes and will continue to change, further and further away from the starting point of the line.
What has caused the theory of natural selection to change over time?
Better evidence, especially from genetics. When Charles Darwin first proposed the theory of evolution by natural selection his mechanism of heredity was dead wrong. He posited a blending type of heredity. When Gregor Mendel's work was rediscovered in about 1900 particulate inheritance was brought to the forefront of evolutionary thinking and the synthesis of the 1930's and '40's cooperated this thinking with Darwinian though to give us modern evolutionary theory.
Why people take drugs at the Olympics?
Drugs, in some cases, give them a competitive edge.
Did natural selection give rise to our ability to drive automobiles?
No, our ability to drive automobiles is not a trait that has evolved through natural selection. Driving is a learned skill and is not influenced by genetic traits that are subject to natural selection.
What are five occupations in which knowing french will give you a competitive edge?
Simple: Just work for the United Nations.
When responding to inquires if the information being shared will give anotehr individual an unfair advantage or competitive edge it is considered to be?
competition sensitive
Explanation of Natural and Artificial Selection?
Artificial selection is when humans select traits, such as color or taste and breed for those traits. Natural selection chooses the creatures that are best able to give birth to more offspring, carrying on their genes. The environment chooses.
Give five example of common?
evolution. the fossil record. uniformitarianism. the origin of new species. natural selection.
Cows that give more milk than other cows are an example of?
Cows that give more milk than other cows are an example of selective breeding for increased milk production. This process involves choosing cows with desirable traits, such as high milk production, and breeding them to pass on these traits to future generations. Over time, this can lead to a population of cows that consistently produce more milk than the original population due to genetic selection.
Why do you think Darwin considered the phrase the struggle to survive an appropriate description of natural selection?
Because in the wild there is a struggle for existence as more organisms are born than there are resources to support them. Thus, there is a wide variety of traits expressed by these many organisms and some of these traits confer survival and reproductive advantages which is what natural selection is selecting for.
Give an example of natural selection:?
When Homo Sapiens came along, Neanderthals and Cro-Magnons died out.
What synergies do you see in the merged AOL Time Warner Company that can give it the competitive advantage?
AOL/Time Warner has a competitve edge because it maintains control of a lot of important and influential companies.
Does natural selection work on preexisting variation in a population?
Yes, natural selection acts on preexisting genetic variation within a population. Individuals with traits that give them a survival or reproductive advantage are more likely to pass on their genes to the next generation, leading to an increase in the frequency of those advantageous genes in the population over time.
Which is the single most important type of mutation that eventually allows for evolution via natural selection to occur?
gene duplication (might give advantages)
