UHMM I REALLY NEED HELP IM BAD AT Science

Competition occurs between species when

The third stage of cellular respiration is (2 points)

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes