Answer:
I believe its D
Explanation:
Darwin said that a lot of evolution had to do with natural selection and that seems to be around the same thing.
Trophic level: the feeding level of an organism in a food web or chain. Food web: a diagram showing a series of interconnected food chains and the flow of energy through an ecosystem. Food chain: a diagram showing the flow of energy from one trophic level to the next. E.g. Consumer or decomposed Consumer: an organism which feeds on other organisms to obtain its nutritional requirements (part of a food web/chain). Producer: an organism capable of trapping the suns energy and converting it to sugar in the process of photosynthesis. Therefore the term food web is the term used to include all of the above.
hope this helps, :)
I think it is erosion (2) because erosion removes soil, rock, and dissolved material.