It is not a mineral because it is man made!
Answer:
Nucellus makes the most of the ovule. It encloses the embryo sac. They have abundant food reserves and therefore act as nutritive tissues for the embryo in some plants.
If the population all have similar traits, for example, blue eyes and blonde hair, then they would have a low genetic diversity. Diversity means to be different, but this population is the same, so their differences/diversity is low. :)
Answer:
some microbes photosynthesis..and some feed on small organic compunds