Question

helminths
which of the following best explains the rationale for why helminths are studied in microbiology?
the damage they cause is microscopic.
portions of their anatomy are microscopic.
they feed on microscopic macromolecules.
part of their life cycle is microscopic.

Explanation:

Helminths are multicellular organisms. However, a significant reason they are studied in microbiology is that part of their life - cycle, such as eggs and larval stages, is microscopic. This microscopic stage is relevant to microbiological study.

Answer:

Part of their life cycle is microscopic.