how do scientists use a branching tree A. to study the presence of homologous structures in organisms B. to show how groups of organisms might be related C. to study whoch organims have similar stages of development D. to show how groups of organisms become isolated

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange