Based on Studies by Jane Lubchenco, What Influence Does the Population

question 3

Multiple Choice

Based on studies by Jane Lubchenco, what influence does the population density of the herbivorous intertidal snail, Littorina littorea, have on the number of algal species?

• A) as snail density increases from low to medium, the number of algal species increases
• B) as snail density increases from medium to high, the number of algal species increases
• C) as snail density increases from low to medium, the number of algal species decreases
• D) as snail density increases from medium to high, the number of algal species decreases
• E) both as snail density increases from low to medium, the number of algal species increases and as snail density increases from medium to high, the number of algal species decreases

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Definitions:

Neural Basis

pertains to the underlying brain structures and neuronal mechanisms that support a particular cognitive process or behavior.

Long-Term Potentiation

A process of synaptic enhancement that occurs after heightened levels of synaptic activity, believed to be a cellular mechanism for learning and memory.

Postsynaptic Neurons

Neurons that receive signals (across a synapse) from neurons, muscles, or gland cells.

Repeated Stimulation

Continuous or recurrent exposure to a particular stimulus, leading to a distinctive response.