When a Community Like the Tallgrass Prairie Is Maintained by Regular

question 40

Multiple Choice

When a community like the tallgrass prairie is maintained by regular disturbances such as periodic fires set by Native Americans or by lightning, a ________ community exists.

• A)pine forest
• B)subclimax
• C)climax
• D)pioneer
• E)deciduous

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Definitions:

Dendritic Length

Dendritic length refers to the extent of a neuron's dendrites, which are branching structures receiving signals from other neurons; variations in dendritic length can affect the neuron's connectivity and functionality.

Dendritic Spine Density

A measure of the number of dendritic spines (small outgrowths from neurons) per unit length of dendrite, important for synaptic strength and neural connectivity.

Cocaine

A powerful and illegal stimulant drug derived from the leaves of the coca plant, known for its addictive properties and ability to increase levels of dopamine in the brain.

AMPA Receptor

The AMPA receptor is a type of glutamate receptor in the central nervous system that plays a crucial role in fast synaptic transmission and plasticity, contributing significantly to learning and memory.