Under which of these conditions is natural selection most likely to occur?

A) When a population is very small
B) When a species has competition
C) When a population has unlimited resources
D) When a species contains few mutations

It’s not C because I got it wrong.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?