A scientist is observing onion cells and human cheek cells under a microscope. Which observation does she most likely make? A. The onion cells have lysosomes, and the cheek cells do not.

B. the cheek cells have larger vacuoles than the onion cells

C. the cheek cells have a nucleus, and the onion cells do not

D. The onion cells have a cell wall, and the cheek cells do not.

(Also I did biology because it didnt have science)

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas