Answer:
The correct answer will be Victor Hensen.
Explanation:
Plankton's are group of microscopic organisms like bacteria, algae protozoa and floating animals living in large bodies of water such as seas, oceans, fresh water which drift with the currents of water bodies.
They inhabit the photic zone of water bodies and use sunlight for photosynthesis, converting CO₂ to organic compounds and producing O₂.
Plankton are of two types:
1. Phytoplankton- microscopic plant- like cells.
2. Zooplankton- microscopic animals which graze the phytoplanktons.
Plankton term was first time used by a German zoologist- Victor Hensen. He performed the experiments on ocean microorganisms and laid the foundation of a new field study- biological oceanography which focuses on the study of microorganisms of oceans.
Thus, Victor Hensen is the correct answer.
