Using appropriate example, two ways in which capsules around bacteria cells are of medical important?​

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a. organisms would evolve to increase variety b. natural selection would operate faster c. less food would be available d. evolution through natural selection would not occur

Which of the following is defined as combinations of soil particles that vary in size and shape?

The desert expands by hundreds of square miles each year.