Please help me with this question:( Endosymbiotic theory is most useful for explaining the development of which of these organisms?

A prokaryotes that could perform photosynthesis
B. single-celled eukaryotes that could gain energy by combining food with oxygen
d
C. multicellular plants and animals that could live either on land or in the water
.
D. single-celled eukaryotes that kept their DNA in a membrane-bound nucleus

What is the number of phosphates in an atp molecule

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.