Sentence examples for main evolutionary changes from inspiring English sources

The main evolutionary changes in this species involved the shortening of the body and the loss of the tail.

The analyses of character evolution of 15 morphological and 5 bionomical characters show the evolution of individual characters and uncover the main evolutionary changes in the myxosporean spore morphology and bionomy.

Together this evidence suggests that the main evolutionary change to Sxl after its recruitment to Drosophila sex determination was a relative strengthening of purifying selection.

However, they have retained many alternative views, or else they are completely in ignorance of basic issues in evolutionary theory regarding: what is considered evolution in biology, the main mechanism of evolutionary changes in what is considered natural selection, what the theory of evolution actually explains, and what the word theory means in science.

However, they have retained many alternative views, or else they are completely in ignorance of basic issues in evolutionary theory regarding: (a) what is considered evolution in biology, (b) the main mechanism of evolutionary changes in what is considered in biology as natural selection, (c) what the theory of evolution actually explains, and (d) what the word theory means in science.

Then, as now, the leading evolutionary theorists were committed to the idea that the main motor of evolutionary change was competition – between organisms within a species, and between species.

Our biology is always part of our lives, but so are social inequality and privilege, history, diet, stress, popular culture, activity patterns, familial pressures, etc. Natural selection, one of the main drivers in evolutionary change, works on the whole body and behavior complex, not on single genes or even the genome itself.

Some philosophers and scientists, such as the evolutionary biologist Richard Dawkins, think not only that it is justified but that a much stronger claim also is warranted: namely, that wherever life occurs on this planet or any other natural selection will occur and will act as the main force of evolutionary change.

Table 1 A summary of the main mechanisms of evolutionary change.

List the main mechanisms of evolutionary change explored in this activity and give an example of how each might occur.

Darwin's second proposal, that the main engine driving evolutionary change was natural selection, was not nearly as successful in convincing his contemporaries.