The Next Few Questions Refer to the Following Description

question 13

Multiple Choice

The next few questions refer to the following description.
Healthy individuals of Paramecium bursaria contain photosynthetic algal endosymbionts of the genus Chlorella. When within their hosts, the algae are referred to as zoochlorellae. In aquaria with light coming from only one side, P. bursaria gathers at the well-lit side, whereas other species of Paramecium gather at the opposite side. The zoochlorellae provide their hosts with glucose and oxygen, and P. bursaria provides its zoochlorellae with protection and motility. P. bursaria can lose its zoochlorellae in two ways: (1) if kept in darkness, the algae will die; and (2) if prey items (mostly bacteria) are absent from its habitat, P. bursaria will digest its zoochlorellae.
-Which term most accurately describes the nutritional mode of healthy P. bursaria?

• A) photoautotroph
• B) photoheterotroph
• C) chemoheterotroph
• D) chemoautotroph
• E) mixotroph

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Definitions:

Unconscious Determinants

Factors that influence thoughts, feelings, and behaviors without the individual's conscious awareness.

Psychoanalytic Perspective

A theoretical approach in psychology which emphasizes unconscious processes and past experiences as determinants of behavior.

Psychology

The scientific study of the mind and behavior, encompassing various aspects of human experience and including both normal and abnormal functioning.

Observable Behaviour

Actions or reactions of an individual that can be directly seen and measured, typically forming the basis of behavioral studies.