Which of the following is not an example of responding to stimuli? a. Maintaining internal ph levels
b. pulling your hand away from something hot?
c. stopping at a red light?
d plants growing towards light?

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

How water is moving through the ecosystem ?

The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.