The Breast Muscle of a Wild Duck Is Dark,while That

Multiple Choice

The breast muscle of a wild duck is dark,while that of a domesticated chicken is white.What would be true of breast muscle in a wild duck?

A) They are fast-twitch muscles with abundant capillaries and mitochondriA.
B) They are slow-twitch muscles with few capillaries or mitochondria.
C) They are slow-twitch muscles with abundant capillaries and mitochondria.
D) They are fast-twitch muscles with few capillaries or mitochondria.
E) They are a mix of fast-twitch and slow-twitch muscles.