What determines an organism's phenotype? a. age b. genotype c. random mutations

Organisms that successfully adapt will leave to grownone of the above

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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