Which of the following describes the fundamental difference between prokaryotic and eukaryotic cells?

a. eukaryotic cells are the only type of cells that can possess a cell wall.
b. prokaryotic cells do not have a true nucleus or membrane-bound organelles.
c. prokaryotic cells are all viruses and rely on the infection of a host cell to replicate.
d. eukaryotic cells are only found in protists, bacteria, and viruses.

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

What noticeable trend from this graph might be used to make a conclusion?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?