Which are characteristics of all protists? Check all that apply.

They are heterotrophs.

They have nuclei.

They live in moist environments.

They reproduce sexually.

They are unicellular.

Stem cell technology has been useful in many ways. Which of the following would be the most likely use for stem cells?

A patient comes to the clinic for the third time in 2 months with chronic bronchitis. what clinical symptoms does the nurse anticipate assessing for this patient

A skull from the genus homo that dates

What protect the testes

If drug a and drug b have the same number of drug-related ed visits but drug a is used by ten times the number of individuals as drug b, what are the relative toxicities of the two drugs? drug a is more toxic than drug b.

What is a possible effect of of leakage of inner ear fluid

Louis Pasteur proved that all new cells come from preexisting ones. What concept did Pasteur's experiments disprove

Charles darwin, after observing variability among plant and animal species in various locations, proposed an explanation for what he saw.

Sediments in and below a dewatered area of an aquifer become compacted because:

What is the largest available source of fresh water for drinking in the hydrosphere? A. Groundwater B. Oceans C. Rivers D. Glaciers