A neuron is A. a group of cells specialized for a particular type of information storage. B. one of the fibers connecting the eye to the visual cortex. C. an individual cell within the nervous system. D. a region within the brain dedicated to a single function.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic