Describe how an ecosystem can reach the climax community. + compare succession after a natural disaster with the succession after human - caused disturbance.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

What type of pollution does household garbage cause