Question

match the column Awith column B
column A
(a) plankton
(b) nekton
( c) benthons
column B
1. bottom dwelling organisms
2. minute organisms in surface layers of acquatic ecosystem
3. actively swimming organisms found in surface or deep waters​

Answer 1

Answer:

Explanation:

Plankton, marine and freshwater organisms that, because they are nonmotile or too small or ... Plankton is the productive base of both marine and freshwater ecosystems, ... nekton, which is composed of strong-swimming animals, and from benthos, ... Organisms resting or swimming on the surface film of the water are called