A Field Biologist Finds an Unfamiliar Single-Celled Organism in a Sample

question 34

Essay

A field biologist finds an unfamiliar single-celled organism in a sample from the surface of a marshy area. What observations or tests would make it possible to determine whether it is a protozoan, fungus, or alga? Assume the PCR machine at the field station is not working, but all other equipment is.

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Definitions:

Psychoanalysis

A therapeutic technique founded by Sigmund Freud focusing on uncovering and understanding unconscious thoughts and behaviors through free association, dream analysis, and transference.

Values

Core beliefs or principles that guide and motivate attitudes and actions.

Cathect

To invest emotional energy into a person, object, or idea.

Transference Neurosis

A phenomenon in psychoanalysis where patients project feelings, attitudes, or desires onto the therapist that actually stem from previous relationships in their lives.