Two birds exist in the tropics. Bird A lays its eggs in the nest of the bird B. The eggs of bird A look like those of bird B. Bird B raises the young of bird A, which eat flies that bother only bird B. What type of relationship is this?

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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.

How energy move through ecosystem ?