Energy flows through ecosystems in direction, typically from the through photosynthetic organisms or to to carnivores and decomposers.

Energy flows through ecosystems in one direction, typically from the sun, through photosynthetic organisms or green plants with algae, to herbivores to carnivores and decomposers.

Hope that helps :)

-Asmaa Ghazzawi

not too sure maybe olecranon process

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation: