The light reactions produce ATP and NADPH thet the Calvin cycle uses to convert CO2 into carbohydrate. The light reactions in the thylakoid membranes of the chloroplast, and the reactions of the Calvin cycle take place in the stroma
The hollow impression of a trilobite is an original remains fossil.
An example of biodiversity is a greater variety of genes and species
Pollen grain, embryos, seed coatings, and megasporangium.
