Use the Following Information to Answer the Question

question 20

Multiple Choice

Use the following information to answer the question.
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 gather 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.
A P. bursaria cell that has lost its zoochlorellae is aposymbiotic. If aposymbiotic cells have population growth rates the same as those of healthy, zoochlorella-containing P. bursaria in well-lit environments with plenty of prey items, then such an observation would be consistent with which type of relationship?

• A) parasitic
• B) commensalistic
• C) toxic
• D) mutualistic

Recognize different models and theories of cognitive development beyond Piaget, including information processing and Erikson’s psychosocial theory.

Understand the cognitive perspective and its emphasis on mental processes.

Comprehend the principles and applications of conditioning and reinforcement in learning.

Grasp various perspectives and theories in psychology and their implications for understanding human behavior.

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Definitions:

Factory Overhead

All indirect costs associated with the production process, such as utilities, maintenance, and salaries of production supervisors, which are not directly traceable to specific units.

Direct Labor Hours

The total hours worked by employees directly involved in manufacturing products or delivering services.

Direct Materials

Raw materials directly used in the manufacturing of a product, easily traceable to the finished good.

Total Cost

The complete cost of producing goods or services, including fixed and variable costs.