Gram positive bacteria have cell walls composed of thick layers of peptidoglycan.
Answer:
Polysaccharides
Explanation:
Polysaccharides are the most abundant Carbohydrate found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages.
Answer:
The rock layers help by preserving the fossils and it also keeps a record of how they died, where they lived, what they ate, and a million other factors. Most rock layers are trillions of years old and it shows us what was alive and how they lived and what the earth was like back then.
Explanation:
