What is an interaction in which one organism kills and eats another?

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

How do the evolutionary chart and the video support the claim that all living things are made up of cells?

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?