Genetic diversity is required for natural selection to act, but natural selection can reduce or eliminate diversity. what forces restore or maintain diversity of a population?

If the pollen in a plant were not able to form a tube, which process would still be able to happen? A. dispersal B. fertilization C. pollination D. seed development

Which of these is not a way that we will be using to determine the pH of a solution? a) pH paper b) Bromothymol blue c) Mass number d) Phenolpthalein

Germ cell definition

In a community, there are five brown squirrels, five grey squirrels, and ten white squirrels. what is the relative abundance of brown squirrels? A 5% B 20% C 25% D 50%

According to the germ theory of disease, disease is caused by A. Decaying matter. B. Chemicals. C. Microorganisms. D. Miasma.

Which statement represents the correct association of organisms and their habitat? Each organism will be found in only one habitat. Plants, but not animals, can flourish in several habitats. Animals, but not plants, can flourish in several habitats.

Which components of the atom are found outside of the nucleus? Question 2 options: protons electrons neutrons All are found in the nucleus.

Which can disrupt the cell cycle? a. mutation b. G0 phase c. replication d. cancer

The green color of tree leaves is due to green light energy reflected from

A student used the hemoglobin data to conclude that mice and shrews are more closely related than are mice and humans or shrews and humans. Was the student correct?