Which Conclusion Can Be Drawn from Brewer's Experiments on Pitcher

question 74

Multiple Choice

Which conclusion can be drawn from Brewer's experiments on pitcher plants?

• A) Competition for light is an important factor in their competition with noncarnivorous neighbors.
• B) Competition for nitrogen is an important factor in their competition with noncarnivorous neighbors.
• C) The plants were at a particular disadvantage when noncarnivorous neighbors were left intact and the pitchers were starved.
• D) Pitcher plants gained biomass when neighbors were present and prey was absent.

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Definitions:

Inhibitory Postsynaptic Potentials

Negative changes in the membrane potential of a postsynaptic neuron, making it less likely to generate an action potential, hence inhibiting the neuron.

Central Nervous System

Comprising the brain and spinal cord, it processes information and is the primary control center for the body.

Hormones

Chemical messengers produced by the endocrine glands, these compounds regulate various physiological functions and behaviors.

Neurotransmitters

Chemical messengers in the body that transmit signals from nerve cells to target cells.