Which of the following is a function of vacuoles in an animal cell

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

Which direction does the energy flow in this energy pyramid ?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?