Food Chains Rarely Have More Than Three Levels of Consumers

question 7

Multiple Choice

Food chains rarely have more than three levels of consumers because

• A) the animals are too large to search for prey.
• B) the growing season of plants is not long enough.
• C) pyramids do not go that high.
• D) the amount of energy available is too small.
• E) humans intervene.

Recognize the value and applications of program evaluation in social reforms.

Understand how scientific research contributes to explanations and predictions in behavior.

Understand the concept and implications of price elasticity of demand.

Differentiate between short-run and long-run elasticity of supply.

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Definitions:

Directly Perceive

The process by which sensory information is immediately registered and understood without the need for conscious thought or interpretation.

Affordances

The opportunities or possibilities for action provided by a particular environment or object.

Marr's Primal Sketch

Marr's primal sketch is a concept in visual processing where the visual system creates an early, two-dimensional representation of the image's contours and regions of similar texture.

Brightness

The perception of how light or dark a color appears; a visual sensation that depends on the illumination and color of objects.