The Steadily Increasing Size of the Retinal Image of an Approaching

question 230

Multiple Choice

The steadily increasing size of the retinal image of an approaching object is especially important for perceiving the object's

• A) shape.
• B) motion.
• C) height.
• D) weight.

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Definitions:

Insect Respiration

The process by which insects take in oxygen and expel carbon dioxide using a system of tubes called tracheae.

Inhaled Allergen

Any substance that, when breathed in, triggers an allergic reaction in susceptible individuals.

Asthma

A chronic inflammatory disease of the airways characterized by recurring episodes of wheezing, breathlessness, chest tightness, and coughing.

Bronchioles

Small passages in the lungs that lead from the bronchi to the alveolar sacs.