A Viceroy Caterpillar Feeds on a Leaf

question 42

Multiple Choice

A Viceroy caterpillar feeds on a leaf.One day's feeding consumes 1000 calories worth of leaves.50% of the calories are lost in its feces and 33% of the calories are used in cellular respiration.How many calories of the original intake are available to add to the caterpillar's biomass each day?

• A)830 calories
• B)670 calories
• C)500 calories
• D)330 calories
• E)170 calories

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Definitions:

Low-power

Typically refers to a setting or condition involving low-level energy or magnification.

High-power

Refers to an objective lens on a microscope with a high magnification capability, used for examining small or detailed samples.

Iris Diaphragm

It is an adjustable aperture in optical devices, like microscopes and cameras, controlling the amount of light passing through the lens.

Revolving Nosepiece

A rotating part of a microscope that holds the objectives, allowing for quick changing of magnification by rotating the objectives into position.