The appropriate response is Vegetative growth. It is the second stage in the life of a plant after it finishes germination and starts photosynthesis. Amid this stage, a plant will be photosynthesizing however much as could be expected to develop as fast as it can before the onset of the blooming stage.
Decomposers break down the remains of dead plants and animals and take the nutrients and energy and give it back to the earth when they die.