Answer:
my take on this is B, i would wait for others tho
Explanation:
The right answer is 2.
A prothallus is a small thin blade of chlorophyllian cells when it is green but can also be colorless and saprotrophic. It is derived from the development of a protonema formed during the germination of a spore in pteridophytes (Pteridophyta, ferns and other closely related species). It is a structure formed by mitotic divisions of haploid cells.
Palisade cells are found in the mesophyll of a leaf and their main function is the absorption of light so that photosynthesis can take place. The palisade mesophyll consists of chloroplasts with chlorophyll that absorb the light energy. The mesophyll layer is made up of the palisade cell and spongy parts.
Your diet has to supply 9 of the amino acids and your body can manufacture the rest