Which of these "I" statements specifies the behavior(s) on which a stated assumption is based? "Your facial expression suggests to me that I may not have made my point very clearly." "Are you following what I'm saying?" "Is that report going to be done on time?" "Am I correct in assuming that you've already begun writing the report that's due next Monday?"

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.