A Viceroy Caterpillar Feeds on a Leaf

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