An alligator lives in a swamp with deer, birds, fish, trees, and different types of plants. The alligator eats a bird that eats the seeds and plants. What is the original source of the energy that the alligator receives from eating the bird? * A the energy that the bird creates
B the heat from the air in the swamp
C the flowing water in the swamp
D the sunlight that the plants absorb

D