Which of these structures was vital for organisms to develop in order to evolve into more complex, multicellular organisms?

What is the role of fadh2 in cellular respiration

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

What is the ecological role of food chains and food webs