Which example best illustrates the biological concept of a community?
a) all of the blue whales in the world.
b) a herd of bison living in yellowstone park.
c) the temperate grassland ecosystem in the american midwest.
d) a tropical reef aquarium with many different types of fish and corals.

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.