Where on an animal would you look for the popliteal lymph node

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

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