If Jerry wants to start a small business producing jelly made from marine algae he should select red algae for this purpose. Red algae is a major staple in some Asian and European cuisines.
When you compare different organisms and see that they have the same or similar anatomic traits, it's reasonable to assume the organisms share a common ancestor where they would have gotten trait from. (evolution)
The tilt of the earth's axis, which essentially "turns" certain parts of earth so that some parts receive more direct sunlight
The stem
they get sun water and air separated it and put it back together
