Frog dating definition

Biology, study of living things and their vital processes.

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As a result of the development of increasingly powerful and precise laboratory instruments and techniques, it is possible to understand and define with high precision and accuracy not only the ultimate physiochemical organization (ultrastructure) of the molecules in living matter but also the way living matter reproduces at the molecular level.

Especially crucial to those advances was the rise of genomics in the late 20th and early 21st centuries.

It has been suggested that sexual reproduction became the dominant type of reproduction among organisms because of its inherent advantage of variability, which is the mechanism that enables a species to adjust to changing conditions.

New variations are potentially present in genetic differences, but how preponderant a variation becomes in a gene pool depends upon the number of offspring the mutants or variants produce (differential reproduction).

Whenever a change in a gene (a survival of the fittest” was the basis for organic evolution (the change of living things with time).

Evolution itself is a biological phenomenon common to all living things, even though it has led to their differences.

Biology is often approached on the basis of levels that deal with fundamental units of life.

At the level of molecular biology, for example, life is regarded as a manifestation of chemical and energy transformations that occur among the many chemical constituents that compose an organism.

Evidence to support the theory of evolution has come primarily from the Three types of natural selection, showing the effects of each on the distribution of phenotypes within a population.

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