I think it's first quater, hope that helped!
Is the study of the interactions among living things, and between living things and their environment
ecology
Answer:
Herbaceous stems lack woody tissue and growth rings unlike woody xylem. Wood is a composite of cellulose fibers which require the the process of phloem in the bark to contain nutrients unlike herbaceous stems that rely on xylem that contains vessel and vascular elements.
Explanation:
Yes, living things break down polysaccharide into simple sugars.