Organisms have a number of to enable them to survive in their habitat.

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

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

The two main stages of cell division are called