Refer to the Figure Showing Delta Values for Plants Using

question 44

Multiple Choice

Refer to the figure showing delta values for plants using three different biochemical pathways for photosynthesis.
Which of these types of plants shows the most negative delta value, that is, the greatest discrimination against the uptake of ¹³C?

• A) C₃ plants only
• B) C₄ plants only
• C) C₃ and CAM plants
• D) C₄ and CAM plants

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Definitions:

Retrieval Period

The timeframe during which a memory or piece of information is recalled or retrieved from the storage after learning.

Decay Theory

A theory of forgetting that proposes that memories may fade or erode over time in the absence of rehearsal or usage.

Sensory Memory

The very first system in memory, in which raw information from the senses is held for a very brief period of time.

Short-Term Memory

The capacity for holding a small amount of information in mind in an active, readily available state for a short period of time.