The Basis for Diversity, Both Within a Species and Among

question 99

Multiple Choice

The basis for diversity, both within a species and among species, is a result of the

• A)arrangement of a few base molecules into many different macromolecular combinations.
• B)shared structures of polymers and lipids.
• C)infinite number of base molecules to build from.
• D)ratio of lipid to protein.
• E)fact that some individuals have mutations.

Describe the concept of sensory thresholds, including the absolute threshold and the difference threshold (just noticeable difference).

Identify how sensory adaptation and the mere exposure effect influence our preferences and perceptions.

Explain the structure and function of key parts of the sensory systems, particularly the visual system.

Examine common vision problems and their causes.

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Definitions:

Fixed Set-Up Costs

Initial costs that do not vary with the level of production or sales, such as equipment purchases or facility leases, needing to be paid before production starts.

Economies of Scale

The savings businesses gain from operating at a larger scale, where the expense for each unit produced diminishes as the scale enlarges.

Short Run

A period in which at least one input in the production process is fixed, limiting the ability of a firm to adjust to changes in market demand.

Long Run

An economic term referring to a period during which all factors of production and costs are variable, allowing for full adjustment to changes.