Refer to the Graph Below Showing Results from Experiments in Which

question 119

Multiple Choice

Refer to the graph below showing results from experiments in which uptake of carbon dioxide by a leaf was measured as the leaf was irradiated with different quantities of light.The experiments were repeated at different levels of carbon dioxide in the air surrounding the leaf, to give the three curves. The rate of photosynthesis is increased at all three levels of carbon dioxide.Which causes are consistent with these data?

• A) Increases in both light and carbon dioxide
• B) Decreases in both light and carbon dioxide
• C) Increases in light and decreases in carbon dioxide
• D) Increases in carbon dioxide and decreases in light
• E) Increases in light only

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Definitions:

Defensive Content

Material within a psychological test aimed at eliciting responses that might reveal particular defense mechanisms or insecurities of the participant.

Genital Stage

When the child begins adult sexual development in puberty.

Psychosexual Development

Sigmund Freud's theory proposing that personality development occurs through a series of childhood stages in which the pleasure-seeking energies of the id become focused on certain erogenous areas.

Oral Stage

The attachment of libido to the mouth.