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While exploring a sulfur spring, a scientist finds a new organism. It is single-celled, lacks a cell wall, has a few internal membranes, and appears to have set up a symbiotic relationship with a species of free-living purple sulfur bacteria that are common in the spring. There are no other organisms within it. This new organism would be considered a(n) :
Stimulus
Any event or situation that evokes a response from an organism.
Pressure Wave
A type of wave propagated through fluids or gases where the wave fronts consist of regions of high and low pressure.
Binocular Cues
Visual information taken in by two eyes that enable us a sense of depth perception, or the ability to perceive the three-dimensional structure and distance of objects.
Monocular Cues
Visual information that allows for perception of depth and distance using one eye, including texture gradient, interposition, and linear perspective.
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