The answer should be <span>single quotation marks</span>
Answer:
All of them are correct except for, "they repair carbon dioxide for photosynethesis because they just don't.
Explanation:
They don't
I recall that Professor Kwang had observed amoebas that had cannibalized bacteria cells. The bacteria were slaughtering the amoebas, but somehow some survived. This particular group of amoebas contained bacteria that thrived inside it. Hence the name, endosymbiosis. However, this lucky group and it's offspring could not survive without bacteria.
The lithosphere sits on top of the asthenosphere.
Phylum, it is the second largest group.