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What must occur in order for a population to diverge?
For a population to diverge, there needs to be barriers preventing gene flow between different groups within the population. This could result from physical barriers, such as mountains or rivers, or behavioral barriers, such as differences in mating preferences. Over time, genetic differences can accumulate between the populations, leading to divergence.
What must be true for hardy equilibrium to occur?
mating must happen randomly
What must occur for a population to grow?
For a population to grow, the birth rate must exceed the death rate, there must be enough resources available to support the increase in population, and factors that limit growth such as disease or predation must be controlled.
What are the four things that must happen for natural selection to occur?
For natural selection to occur, there must be genetic variation present in a population, some of which is heritable. This variation must lead to differences in survival and reproduction (differential fitness). Individuals with advantageous traits must pass those traits on to their offspring. Over time, these advantageous traits become more common in the population.
In order for evolution to occur in a population individuals with a trait that is naturally selected for must?
Individuals with the beneficial trait must survive and reproduce at a higher rate than those without the trait. This differential reproductive success leads to an increase in the frequency of the advantageous trait in the population over time, allowing for evolution to occur.
What must occur in order for a population to diverge?
For a population to diverge, there needs to be barriers preventing gene flow between different groups within the population. This could result from physical barriers, such as mountains or rivers, or behavioral barriers, such as differences in mating preferences. Over time, genetic differences can accumulate between the populations, leading to divergence.
What must happen for specification to occur?
A population must be isolated in some way
What must be true for hardy equilibrium to occur?
mating must happen randomly
What must occur for a gene pool within a population to change?
A genetic mutation within the population.
How are speciation and reproductive isolation related?
For speciation to occur, one population must diverge genetically from another. Divergence is very difficult if the two populations exchange genes readily between them. A short rule of thumb to remember is:Populations which exchange genes are more alike genetically than those that don't.This means, in order to diverge genetically from one another, there must be some barriers, or reproductive isolation, to gene flow between them. When there are these barrier to gene flow, each population can accumulate different mutations and combinations of alleles independently of the other, thus diverging genetically.
What must be true for equilibrium to occur?
No disruptive circumstances must be present in random mating in a population for Hardy-Weinberg equilibrium to occur. Mating must happen randomly. No allele can give an advantage
What is an ocean trench and where do they occur?
i do not no sorry
What must occur for a population to grow?
For a population to grow, the birth rate must exceed the death rate, there must be enough resources available to support the increase in population, and factors that limit growth such as disease or predation must be controlled.
What must occur for the gene pool within population to change?
natural selection or genetic drift
Why must a population have a genetic variation in order for natural selection to occur?
Without variation there is nothing to select from.
Which of these is one of the conditions for hardy-weinberg equilibrium?
Mutation cannot occur. Apex
What are the four things that must happen for natural selection to occur?
For natural selection to occur, there must be genetic variation present in a population, some of which is heritable. This variation must lead to differences in survival and reproduction (differential fitness). Individuals with advantageous traits must pass those traits on to their offspring. Over time, these advantageous traits become more common in the population.
