You Want to Test Charles Darwin's Prediction That an Orchid

question 18

Multiple Choice

You want to test Charles Darwin's prediction that an orchid with long pollen tubes has a pollinator with long,thin mouthparts that can reach the bottom of the elongated nectar tube.You place nets over some orchids,which allows pollinators with small,short mouthparts to enter but prevents the entry of pollinators with long,thin mouthparts.Next,you compare the number of seeds produced by plants with and without the nets.In this experiment,seed production is a(n)  

• A) dependent variable.
• B) hypothesis.
• C) theory.
• D) independent variable.
• E) standardized variable.

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Definitions:

Right Temporal

Refers to the region of the brain located on the right side of the temporal lobe, involved in processing auditory information and encoding memory.

Sudden Insight

A moment of sudden and clear understanding, often resolving a problem or grasping a complex concept instantly after a period of confusion or impasse.

Compound Word

A word composed of two or more separate words that are combined to create a new word with a unified meaning.

Overconfidence

The tendency to be more confident than correct—to overestimate the accuracy of our beliefs and judgments.