Protozoans

Why are protozoans classified under animal kingdom?
Historically, protozoans were regarded as "one-celled animals", because they often possess animal-like behaviours, such as motility and predation, and...
How do protozoans obtain oxygen?
On the other hand, obtaining oxygen in the case of free-living, free-swimming protozoan protists is simpler than for multicellular eukaryotes because ...
What characteristis of protozoans are seen in animals?
Animal-like protists are commonly called protozoa (singular, protozoan). Protozoa are mostly single-celled eukaryotes. They have membrane-bound organe...