Is hydrolysis a type of chemical weathering?

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

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

Do you think the gene eef1 alpha1 supports cell theory? explain your response.