Black bears eat a wide variety of grasses, berries, fish, and small mammals to provide them with energy for growth and development. When a black bear eats a fish, what is the initial source of the energy it receives?
A.The fish contains energy from photosynthetic plants.
B. The fish contains energy stored in its muscle and fat cells.
C. The fish contains energy from minerals in the stream's water.
D. The fish contains energy from nutrients in stream sediments.
choose the correct answer