What are the ecological roles of fungi?

Fungi join bacteria as the primary decomposers in different ecosystems. They feed on the organic remains of dead plants. They release special enzymes that break down lignin, a structurally complex substance in wood. Decomposing organic matter is considered by ecologists as the major ecological role of fungi.

i'd say that the moon rock is about 2.2 billion years old.

satellites are frequently used to make observations of the orbit on earth