As new modes of transportation and commerce have developed, the movement of humans around the Earth has increased dramatically over time.
What evolutionary process has increased as a result?
A. Stabilizing selection
B. Directional selection
C. Genetic drift
D. Gene flow

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil. 

Aplant cell has vacuoles and a cell wall