The cytoplasm of a neuron contains many negatively charged proteins, which give the cell a slightly negative charge at rest. what do you think happens to this charge when the neuron is stimulated?

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?