The breast muscles of a wild duck are dark,while that of a domesticated chicken are white.The breast muscles in a domesticated chicken are
A) fast-twitch muscles with few capillaries or mitochondria.
B) slow-twitch muscles with abundant capillaries and mitochondria.
C) slow-twitch muscles with few capillaries or mitochondria.
D) fast-twitch muscles with abundant capillaries and mitochondria.
E) a mix of fast-twitch and slow-twitch muscles.

Question

Quizplus · Accepted Answer

Domestic chickens fly little or none at all, so their breast muscles are set up for a few, rapid, short duration movements.

The Breast Muscles of a Wild Duck Are Dark,while That