HORTICULTURE

Detailed explanation-1: -The algae are autotrophic protists that can be unicellular or multicellular. These organisms are found in the supergroups Chromalveolata (dinoflagellates, diatoms, golden algae, and brown algae) and Archaeplastida (red algae and green algae).

Detailed explanation-2: -Microbial diversity is truly staggering, yet all these microbes can be grouped into five major types: Viruses, Bacteria, Archaea, Fungi, and Protists.

Detailed explanation-3: -Algae: Algae are green substances floating on the surface of a pond, lake, river, stagnant water, moist soil, stones. They tend to grow on wet surfaces. Therefore, they can synthesize their own food. They are found in water or in very moist places. Protozoa: Protozoa are unicellular animals.

Detailed explanation-4: -Blue-green Algae. Red Algae. Green Algae.