A Case Study

question 130

Multiple Choice

A case study

• A)is an in-depth look at a single individual.
• B)is useful for studying large populations.
• C)involves random assignment of participants.
• D)relies on the experimental method.

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Definitions:

Polychaetes

A class of annelid worms, known for their bristled segments which are predominantly marine.

Chaetae

Bristle-like structures made of chitin found on the bodies of annelid worms, such as earthworms, contributing to their locomotion.

Oligochaetes

A group of segmented worms, including earthworms, characterized by having a relatively small number of chaetae (bristles) compared to other polychaetes.

Proglottid

A segment of a tapeworm, containing both male and female reproductive organs, which can produce eggs and eventually detach from the main body.