The study of 2 organisms is called binomial nomenclature
That would be a plant. Like a tree, Flower, Hedge, etc. That is because of Photosynthesis. Photosynthesis is a chemical reaction that makes compounds (glucose) by capturing light from its leaves, and water from its roots.
Hope this helps.
Chromatin is the mass of DNA molecules which is undistinguishable however chromatids are part of a chromosome attached with a centromere. Also, chromatin is the DNA before it coils and chromatid are the things that contains the DNA.
Asexual reproduction is when you don't need another partner to reproduce like plants. Sexual reproduction is when you need another partner to reproduce like humans and animals.