Which of the following is an accurate statement about ecosystems? A) There is a continuous process by which energy is lost as heat, and chemical
elements leave the ecosystem through runoff.

B) Energy is recycled through the trophic structure.
C) Chemicals are recycled between the biotic and abiotic sectors, whereas energy
makes a one-way trip through the food web and is eventually dissipated as heat.
D)A food web shows that all trophic levels may feed off each other.
E) Energy is usually captured from sunlight by primary producers, passed to secondary consumers in the form of organic compounds and lost to detrivoresIn in the form of heat.