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.

How many years will it take Mount Rushmore to finish weathering

In camellia plants, flower color is controlled by a single gene with codominant alleles. A camellia plants with red flowers (RR) is crossed with a camellia plant with white flowers (WW).

How do bacteria that do not take food get energy to survive?

A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?

In what situation would active transport be more advantageous than passive transport?

How can you use the calculation of the climate ratio to determine a climate type

genes are responsible for transmitting the trait of hair, eyes, and skin color. we may conclude that blue eyes are inherited

A respiratory therapist is unable to insert a 14 fr suction catheter through the endotracheal tube. the therapist repositions the head and is still unable to pass the catheter. what should the respiratory therapist do

What are some descriptions of echinodermata?

What is the evidence for evolution?