A source of healthy, locally grown food for the population of a given area : ( you have to type an answer it doesn't give me any choices. )

An easy way to calculate the amount of energy available at each level is to what?

What pattern of migration do whales follow?

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.