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According to the theory of natural selection a species that lacks the variations necessary to adapt to a changing environment will most likely do what?
Wiki User
∙ 14y ago
Go extinct.
Wiki User
∙ 14y ago
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According to Darwin's theory of natural selection individuals who survive are the ones best adapted for their environment their survival is due to the?
It's due to the inherited adaptations that are well suited to the environment.
How does natural variation affect evolution?
Natural selection (the driving force of evolution) is the selection of genetic variations by how they effect the organism's chances of survival or reproduction. If they diminish it's chances, the organism or it's immediate offspring die and the gene is gone. If the genetic variations increase it's chances, then it survives. Without genetic variations there can be no evolution. Natural selection is the selection (by environmental pressures) of those variations.
What is the selective agent in natural selection?
They are the selective agent in natural selection ;)
Is it true that through natural selection harmful variations gradually accumulate in a species?
yes
What concept of evolution explains why organisms are constructed to meet the demands of their environment?
Natural selection explains adaptive change in the immediate environment.
What is the process by which individuals with variations that make them best suited for their environment reproduce more than individuals without those variations?
Natural Selection
What characteristics must population first have for nautral selection to occur?
Individuals are selected, but in the population of organisms there are many variations, some better at survival and reproduction than others, and against the immediate environment, what natural selection really is, these beneficial variations will be selected.
Is natural selection a source of variation within species?
No, mutation and sexual recombination are the sources of variation and natural selection selects from those variations presented to it against the immediate environment.
Which type of selection in which humans select the variations?
This type of selection is called artificial selection.
What characteristic within populations causes natral selection to occur?
Variations within populations is what natural selection is " looking " for. That one variant of a population is somewhat better able to survive and reproduce than other variants against the backdrop of the immediate environment is natural selection.
How does natural selection result in adaptation to the environment?
All organisms are variations and some of these variations confer survivability and reproductive success on the organism that processes the variant traits and the progeny of this organism and all against the immediate environment. Natural selection is just the immediate environment that selects these favored organisms over their conspecifics and then the progeny of these favored organisms leave greater allele frequencies of these favored traits in the populations gene pool and these trait grow to majority ststus as the adaption now seen in the population.
What is disputive selection?
When natural selection favors extreme variations of a trait (ex. Biggest & Smallest)
Are variations always helpful?
No. Some variations are detrimental and that is what natural selection selects on; the beneficial variation in the immediate environment survives and is reproductively successful, driving genes into the gene pool. The detrimental variation is culled and has lesser representation in the gene pool unto disappearance.
Nature will decide if a particular variation will be good or bad?
Natural selection determines if a specific variation increases or decreases an organism's fitness in their environment and shifts the population in favour of the beneficial variations.
Is eviromenntal changes drive reprodution a natural selection?
Environment IS natural selection, so a change in environment is a change in selection pressure.
The process by which individuals that have favorable variations and are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do?
The process by which individuals that have favorable variations and are better adapted to their environment survive and reproduce more successfully than less well adapted individuals is called natural selection. This is part of Darwin's theory.
What happens to individuals whose characteristics are not well suited to environment?
According to natural selection the individuals can be rare from the enviroment
