Question

17 multiple choice 1 point
what is the source of all energy in an ecosystem?
sunlighth
herbivores
bacteria
producers

Explanation:

In ecosystems, producers (like plants) convert sunlight into usable energy via photosynthesis. Herbivores get energy from producers, and bacteria act as decomposers recycling energy. Sunlight is the ultimate initial energy source for nearly all ecosystems.

Answer:

sunlight