In your letter, you need to explain how the theory
of evolution is supported by evidence. Be sure to
include the 4 pieces of evidence for evolution as
well as an example of each.

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.