Ecosystem services are services provided by .

Which organism can most likely be classifild as domain bateria

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

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