DENDROLOGY

Detailed explanation-1: -A Protist is a unicellular, eukaryotic organism. This means that they are made up of one cell and that cell contains a membrane bound nucleus with other specialized organelles. Protists are a part of the kingdom Protista, which includes organisms such as algae and various protozoans.

Detailed explanation-2: -Protists are a very large group of phylogenetically distinct eukaryotes that can be unicellular, multicellular, heterotrophic, autotrophic, or mixotrophic. The share many similarities with but are distinctly not plants, animals, or fungi.

Detailed explanation-3: -The correct answer: Unicellular autotrophs may be found in the kingdom a. Protista. The kingdom which comprises of unicellular eukaryotes is the kingdom Protista. There are few unicellular organisms that can act as autotrophs.

Detailed explanation-4: -Protists are a heterogeneous group of eukaryotes that are negatively defined as not belonging to the animal, fungal, or plant kingdoms.