<span>Temperate Decidous Forest.. </span>
<span>The mother must be present is not a characteristic of imprinting. Since </span>imprinting is not only effective for females only.
The answer is <span> an endothermic reaction. </span>Photosynthesis is a type of endothermic reaction because it needs the energy from light (sun) to convert water and carbon dioxide into oxygen and glucose needed by other organisms.
It does not include plant sources.