Stabilizing Selection Is Best Described by the Following Example:

Other examples include human birth weight the number. The bottleneck effect d.

Stabilizing Selection Definition Examples Causes Biology Dictionary Biology Lessons Biology Classroom Teaching Biology

Answered expert verified.

. Directional selection requires new mutations whereas stabilizing selection operates on existing variation E. Stabilizing selection When selective pressures select against the two extremes of a trait the population experiences stabilizing selection. This refers often to heterozygous advantage in which natural selection favors the heterozygote because it possesses benefits that homozygotes lack.

C There is an increase in the number of different breeds of dog. Stabilizing selection in a population acts against extremes and favors intermediate phenotypes. A mechanism of evolutiond.

D Garter snakes with different coloration patterns behave differently when. If natural selection favors an average phenotype by selecting against extreme variation the population will undergo stabilizing selection. For example in a population of mice that live in the woods natural selection will tend to favor individuals that best blend in with the forest floor and are less likely to be spotted by predators.

That compels the organisms to undergo changes in case the organism undergoes changes suitable to the environment that is it is suited to survive in the environment will also pass on those traits to the next generation until the next change occurs. This does not skew the bell curve in any way. Natural selection is best described as ________ a.

Do the following examples describe directional disruptive balancing or stabilizing selection. A The birth weight at which newborn humans are most likely to survive and the average weight of newborn humans are about the same. The birth weight of human babies stays within a certain range because babies that have a very low birth weight have less chance of survival and those with a very high birth weight can cause complications during delivery which threaten the life of.

The effect of genetic isolation 18. Natural selection is best described as ________. Lets look at an example to help make natural selection clear.

Newborn babies of intermediate weight are most likely to survive. Both high and low birthweights are associated with increased infant mortality. Other examples of stabilizing selection are the birth weight of humans and the number of eggs a bird lays clutch size.

Natural selection is best described as _______. This graph shows both human birth weight and newborn infant mortality. Directional Selection Disruptive Selection Stabilizing Selection Complete the following paragraph to describe sexual selection and its relationship to evolution sexual selection The process that drives adaptive changes between males and females and leads to an increased ability to attract a mate are referred to as sexual dimorphism Because females produce eggs compared to the.

For example plant height might be acted on by stabilizing selection. A plant that is too short may not be. The result of stabilizing is the over-representation in a specific trait.

Which of the following is NOT an example of a tradeoff that can constrain evolution. Which of the following statements best describes Charles Lyells most influential idea for the development of Darwins theory of evolution. Natural selection is a process governed by changes in environmental factors these factors produce stress on the organisms.

Artificial selection in domesticated animals and plants demonstrates the ability to change the gene. Fibre is made up of the indigestible parts or compounds of plants. Directional selection operates on existing variation whereas stabilizing selection operates on existing variation.

The main role of fibre is to keep the digestive system healthy. B There is an increase in antibiotic-resistant strains of bacteria. Stabilizing selection favors intermediate over extreme phenotypes D.

These types include the following. Stabilizing Selection This type of natural selection occurs when there are selective pressures working against two extremes of a trait and therefore the intermediate or middle trait is selected for. Polymorphisms in snail color and banding pattern as described in Figure 2413 B.

The Hardy-Weinberg law b. For example the coats of a species of mice in a forest will all be the best color to act as camouflage in their environment. Selection examples above 2.

The best sources of fiber are whole grains fresh fruits and vegetables legumes and nuts. The introduction of a small population onto an island that results in a limited gene pool for a population best describes. When it comes to natural selection there are three different types of selection that can occur.

Thick fur among mammals exposed to cold climates C. In other words A heterozygote advantage heterozygous advantage describes the. Body size.

The most common birth weight is between seven and eight pounds. In stabilizing selection the median phenotype is the one selected for during natural selection. Beach mice with dark fur colors were more easily spotted by predators and the lighter furred ones survived and reproduced.

Fibre is mainly a carbohydrate. Sturdy stems and leaves among plants exposed to windy climates. Under stabilizing selection extreme varieties from both ends of the frequency distribution.

During stabilizing selection on a phenotypic trait eg. Stabilizing selection is the type of natural selection. Human birth weight most likely seems to be an example of a.

Birth weight in humans D. The dark mice moved to the forest to be better camouflaged. Dietary fibre is found in the indigestible parts of cereals fruits and vegetables.

The light furred mice developed the fur due to the Suns rays bleaching it a lighter color. Instead it makes the peak of the bell curve even higher than what would be considered normal. The most common of the types of natural selection is stabilizing selection.

Which of the following is an example of stabilizing selection. The founder effect e.

Types Of Selection Graphs Biology The Selection Sample Resume

3 Types Of Natural Selection Science Lessons Science Biology Teaching Biology

3 Types Of Natural Selection Science Lessons Science Biology Teaching Biology