Consider the food chain of grass → grasshopper → mouse → snake → hawk. about how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk? consider the food chain of grass → grasshopper → mouse → snake → hawk. about how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk? 0.1% 10% 0.01% 1%