The stroma is the region outside the

The stroma is the space outside the thylakoid membranes. Plant Photosystems, clusters of pigment and protein that absorb light energy, are found in saclike photosynthetic membranes called thylakoids.

Hope it helps.

i'm pretty sure it's spores

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)