They saw how their are different variations of animals and how not all humans are alike with different genetic traits and physial apprerance
I’d say the flagellum. This is a tail-like organisme that helps some cells to move.
274.817 kelvin
or about 275
The answer would be D considering that Scientists wright them in a peer-reviewed journals that are read by other scientists<span>. They also talk about their findings at conferences </span><span />