The plankton is:? Forestry Environment Mcqs September 2, 2019 BILAL KHATTAK0 A.Red slgae B.Floating fauna C.Passively floating or drifting flora of micro-organismsD.A layer of organic matterundefined Related Mcqs: Flora is all the __________ life occurring in a particular region or time. What is Plankton? Plants and animals living in a particular area consitute:? In an aquatic environment, microscopic animals and plants are collectively known: In an aqueous environment, the microscopic animals are collectively called: Individuals of the same species in a particular locality constitute: Wildlife areas of Pakistan: Biota means: Rich in fauna and flora areas: Wild life is continuously decreasing. What is the main reason of this?