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.