plankton - the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water

nekton - the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales

sum total, summation, sum - the final aggregate; "the sum of all our troubles did not equal the misery they suffered"

whole thing, whole, unit - an assemblage of parts that is regarded as a single entity; "how big is that part compared to the whole?"; "the team is a unit"

add up, amount, come - develop into; "This idea will never amount to anything"; "nothing came of his grandiose plans"

unitise, unitize - make into a unit; "unitize a car body"

amalgamate, commix, mingle, unify, mix - to bring or combine together or with something else; "resourcefully he mingled music and dance"

collective - forming a whole or aggregate

botany, phytology - the branch of biology that studies plants

multiple - having or involving or consisting of more than one part or entity or individual; "multiple birth"; "multiple ownership"; "made multiple copies of the speech"; "his multiple achievements in public life"; "her multiple personalities"; "a pineapple is a multiple fruit"