Questions 1–4 refer to the figure above. The figure above shows the evolutionary relationships between the major classes of organisms. Branch points show common ancestors, and each branch represents a new class of organisms. Which of the following shows the correct order of emergence, from earliest to latest?

Questions 1–4 refer to the figure above. The figure above shows the evolutionary relationships between the major classes of organisms. Branch points show common ancestors, and each branch represents a new class of organisms. If groups that shared common ancestors are more likely to be closely related, which groups are most closely related evolutionarily?

Questions 1–4 refer to the figure above. The figure above shows the evolutionary relationships between the major classes of organisms. Branch points show common ancestors, and each branch represents a new class of organisms. Later developments are more advanced and specialized. Which of the following is the most specialized evolutionary development?

Questions 5–8 refer to the following information. The density of an object can often be used to help identify it. Density is defined as the ratio of the mass of a substance to its volume, or as an equation: If the object has a shape such as a block or a cube, then the volume can be determined by multiplying the length times the width times the height or V = l × w × h Three samples are provided to a student: Sample A is a cube 2 cm on a side, with a mass of 24 grams. Sample B is a 120 gram block with a height of 3 cm, and a width of 2 cm, and a length of 4 cm. Sample C is an irregularly shaped object with a mass of 4 g/cm3 and a volume of 10 cm. What is the density of sample B?