You Prop Open the Gill Covers of a Fish,tie a String

question 24

Multiple Choice

You prop open the gill covers of a fish,tie a string around its tail,and tow it backward through the water.This action forces water to flow in the back of the gill covers,from back to front over the gills,and out through the fish's mouth.What effect would this backward movement have on gas exchange?

• A)It would reduce efficiency of gas exchange.
• B)It would increase efficiency of gas exchange.
• C)The only effect would be the fish's discomfort from this treatment.

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Definitions:

Gestalt Grouping

Principles in psychology that describe how humans naturally organize visual elements into groups or unified wholes.

Proximity

The physical or psychological closeness between people, objects, or ideas, often affecting perceptions and relations.

Stimulus

An external event or factor that induces a response or reaction in a biological organism.

Gestalt Grouping

Principles in psychology that explain how humans naturally organize visual elements into groups or unified wholes when certain principles are applied, such as similarity or proximity.