Aphids can feed in the leafy treetops (or tree canopies) . Ants are usually not abundant in the tree canopies unless aphids are also present. You introduce aphids to an area of the tree canopy and survey the abundance of ants over time. Which of the plots below represents your expected trend in ant abundance? 
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Perceptual Process
This is the sequence of steps that includes the sensing, organizing, and interpreting of information collected through the senses.
Trade Dress
The visual appearance or packaging of a product that signifies the source of the product and is legally protected.
Colour Code
A system for classifying and communicating colors, often used in design, art, and marketing.
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