Which term best describes the following organism: a unicellular (single celled) eukaryote that has a single large mitochondrion, and causes Chagas disease or sleeping sickness.

a) Hypermastigophora.

b) Diplomonada.

c) Algae.

d) Trypanosoma.

e) Rhizopoda.

d) Trypanosoma.

Explanation:

Trypanosoma is a unicellular eukaryote and is classified under kingdom Protista. Being eukaryote, it has double membrane-bound organelles in its cell such as mitochondria. Trypanosoma brucei rhodesiense and Trypanosoma brucei gambiense are the causative agents of a sleeping disorder called sleeping sickness.