Answer:
Chitin is a fibrous material made up of polysaccharides that is found in the exoskeletons of arthropods and the cell walls of fungus. Chitin is an important biopolymer found in nature. Fungi, arthropods, and nematodes are the principal producers. In insects, it acts as a scaffold, supporting the epidermis and trachea cuticles, as well as the peritrophic matrices that line the gut epithelium.
Explanation:
Hope this helps!
Please mark me as Brainlinieast.
Answer:
Vascular tissue includes xylem, phloem, parenchyma, and cambium cells.
Answer:
520,000,000,000 Nanometers = A
Explanation:
D. Batu, tumbuhan,dan air
Answer:
Health insurance or medical insurance is a type of insurance that covers the whole or a part of the risk of a person incurring medical expenses. As with other types of insurance, risk is shared among many individuals
