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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.
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What must be true for hardy equilibrium to occur?
mating must happen randomly
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 condition is necessary for genetic drift to have a significant effect on a population A natural disaster must occur. The population needs to be small. Gene flow must occur. A portion of the p?
The condition necessary for genetic drift to have a significant effect on a population is when the population size is small. In smaller populations, genetic drift can lead to random changes in allele frequencies, impacting the overall genetic diversity of the population.
What are the conditions that must be met for a population to stay in genetic equilibrium?
Hardy-Weinberg equlibrium is reached and maintained under the following conditions:Large populationRandom matingNo mutationNo natural selectionNo emigration/immigration
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.
What must occur in a population for it to grow?
For a population to grow, the birth rate must exceed the death rate, and immigration must exceed emigration. This results in more individuals being added to the population than are leaving, leading to overall growth.
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
Which condition is necessary for a population to grow?
Birthrate must exceed death rate
What steps must occur for a seed to grow into new plant?
the plant is sexually reproduced ok
What must occur for the gene pool within population to change?
natural selection or genetic drift
Which of these is one of the conditions for hardy-weinberg equilibrium?
Mutation cannot occur. Apex
Why must a population have a genetic variation in order for natural selection to occur?
Without variation there is nothing to select from.
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.
What must be present for heat to occur?
there must be atom and molecule movement for heat and a suitable environment for heat to grow, such as, it should already be hot where the heat is occurring
