A. Air temperature
The air temperature does not effect how producers get their source of energy. Soil moisture and available sunlight are important for photosynthesis regarding energy conversions.
Grana (plural) are stacks of flattened sacs
It's granum if it's singular
And those flattened sacs are called thylakoids, which contain chlorophyll
It's actually A. Vertebrate have a hard out shell.
