Why might it be important to preserve areas with high biodiversity?

What happens if the membrane is not permeable to the solute?

Which statements describe dark matter? Select two options. A:It is invisible. B:It is the same as dark energy. C:It is well understood by scientists. D:It does not emit electromagnetic radiation. E:It can be observed by shifts in red and blue light

Which accurately describes the relationship between cancer risk and exposure to mutagens? Cancer risk decreases when a person is exposed to mutagens because the risk of DNA mutation decreases as well.

What chromosomes belong to a normal human female?

What type of mining is likely the least harmful to the environment? a. surface b. placer c. subsurface d. none of the above

Which of the following is an example of an organism maintaining homeostasis? 1. A cat grooming itself 2. A bear nursing her cubs 3. A man sweating while he runs 4. A boy riding a bike

Which of the following is a characteristic of lipids? (Choice A) AThey are composed of nitrogenous chains. (Choice B) BThey are not soluble in water. (Choice C) CThey are either fats or oils. (Choice D) DThey are polar molecules.

A 3-month-old infant hospitalized with severe diarrhea has excoriated skin in the diaper area. the parents become concerned when they discover that the nurse has left the infant without a diaper. what is the nurse's explanation for this action?

Which of the following is an abiotic factor of an ecosystem? A. weeds B. a rabbit C. soil D. a snake

The receptors for taste and smell are classified as