How is the muscularis externa modified in the stomach? how is the muscularis externa modified in the stomach? the muscularis externa of the stomach has plicae circularis. the muscularis externa is made of skeletal muscle instead of smooth muscle. there is an additional third oblique layer of smooth muscle. there is only one layer of smooth muscle in the muscularis externa of the stomach?

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.