An Ecologist Is Studying a Rocky Intertidal Zone

question 52

Multiple Choice

An ecologist is studying a rocky intertidal zone.She maps the area and takes samples to calculate the species diversity.She determines the tidal variations and figures out how long each dominant organism is covered by tides and then analyzes the population density of each dominant species over a year.This ecologist is working at what level(s) of organization?

• A) Ecosystem level only
• B) Population level only
• C) Community level only
• D) Population and community levels
• E) Population, community, and ecosystem levels

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Definitions:

Dendritic Spines

Small, protruding structures found on the dendrites of neurons that form synaptic connections and are key to neuronal plasticity and learning.

Habituation

The psychological process by which an individual becomes accustomed to a stimulus through repeated exposure, leading to a decrease in response.

Sensitization

An increased response to a stimulus after repeated exposure, often leading to heightened sensitivity.

Chemical Synapses

Sites where neurons communicate with each other or with effector organs through chemical messengers.