Some organisms obtain energy and nutrients from plants in an ecosystem. these organisms have energy stored in their bodies. what happens to the energy in the ecosystem when the organisms die? some is used by decomposers, and some is released into the environment as heat. energy from the organisms is destroyed along with the nutrients they contained. bacteria release energy from the dead organisms in the form of radiant energy. the total amount of energy in the universe decreases at the moment the organisms die.  nextreset

Ali hypothesized that increasing fertilizer would increase plant growth. four groups of thirty similar plants were given 0 to 15 ml of fertilizer, as shown in the graph. the change in plant height for each group over a two-week period was averaged and recorded. plant group fertilizer added (ml) avg. growth (cm) a 0 4 b 5 6 c 10 8 d 15 3 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.