a poisonous snake
The three patterns of natural selection are directional selection, stabilizing selection, and disruptive selection. Directional selection favors individuals at one extreme of a trait distribution, stabilizing selection favors the intermediate phenotype, and disruptive selection favors individuals at both extremes of a trait distribution.
Directional Selection.
Directional selection favors organisms with phenotypes at one extreme relative to the average phenotype. This occurs when individuals with traits at one end of a spectrum have higher fitness, leading to a shift in the population towards that extreme phenotype.
The process is called directional selection, where one extreme phenotype is favored over others in a population, resulting in a shift in the frequency of genes towards that phenotype over generations.
They both decrease genetic variation .
Directional selection
Directional Selection is a more extreme form of the trait is favored. Ex. Flamingoes with longer legs and necks. Punctuated Equilibrium is sudden changes, then long periods without change- may be a combination of both.
Directional Selection
They both decrease genetic variation .
Disruptive selection and directional selection are two types of natural selection that impact the evolution of a population in different ways. Disruptive selection favors extreme traits at both ends of the spectrum, leading to the divergence of a population into two distinct groups. On the other hand, directional selection favors one extreme trait, causing the population to shift towards that trait over time. In summary, disruptive selection promotes diversity within a population, while directional selection drives the population towards a specific trait.
Disruptive selectionNatural selection . Stabilizing selection. Directional selectionthe answer is one of these idk which one
Directional Selection