The SECOND graph represents selection that may lead to reduced variation. It is an example of stabilizing selection.
<h3>What is Stabilizing selection? </h3>
Stabilizing selection is a type of natural selection that leads to a decrease in the genetic variation of the population.
In Stabilizing selection, natural selection tends to favor an average phenotype and then can remove (select) extreme variations.
Stabilizing selection generates a modified bell curve graph in which the central portion is narrower and it is taller than the normal distribution bell shape.
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When skeletal remains of microscopic organisms make up more than 30% of the sediment, it is called "ooze." ... Calcareous ooze, the most abundant of all biogenous sediments, comes from organisms whose shells (also called tests) are calcium-based, such as those of foraminifera, a type of zooplankton
Grasshoppers and caterpillars eat oak leaves <span>is most likely to result in the most competition among the organisms.
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Gradualism and punctuated equilibrium are two ways in which evolution of a species can occur. Gradualism is selection and variation that happens more gradually; over a short period of time it is hard to notice