In a population, a shift in the average population phenotype toward the mean and away from the physical extremes. This process lowers phenotypic variety; the population is more homogeneous.

Repeating a scientific experiment and reproducing the same results is referred to as what?

What do you need to use in order to work as an environmental scientist?

Which statement BEST describes the source of new combinations of alleles in a zygote? A. Only egg cells are a source of new combinations. B. Only sperm cells are a source of new combinations. C. Germ cells are a source of new combinations. D.

What characteristic differentiates high mass stars from low mass stars?

What is one reason why the classification of protists in one kingdom is difficult

The differences between hashimotos' thyroiditis and grave's disease include b. only hashimoto's is a type ii hypersensitivity a. only grave's disease is an autoimmune disease c.

How could natural selection lead to evolution?

What algae is golden brown and one of the most common of all the unicellular organism in the ocean?

What is the name of the enzyme that adds new nucleotides to build mrna

If two people want to know the chances of their child have a certain genetic disorder, the parents must know their