Does anybody know what they mean by this question?

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Explain why the plants cortex would serve as the best food source for animals