Can someone help me with this please? i would really appreciate it

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Which could be a pathway of food through an ecosystem

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.