Which characteristic of viruses prevents them from being used as evidence to support cell theory? Viruses do not have nuclei.

Viruses cannot move by themselves.

Viruses replicate only inside host cells.

Viruses can have glycoproteins on their surfaces.

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Which identifies the main purpose of biological taxonomy?

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .