Answer:
B
Explanation:
This is the only thing missing in the food chain
In general B vitamins function in your body as? *Co-enzymes
Animals with chitinous exoskeletons and jointed appendages are classified as Arthropods.
<span>
Arthropods are invertebrates which have an exoskeleton (external skeleton) enveloped with cuticle of chitin, a segmented body, and paired jointed appendages (each segment contains a pair of appendages). The cuticle is a rigid structure (usually mineralised with calcium carbonate), so those animals must replace it periodically by moulting. Arthropods include insects, arachnids, myriapods, and crustaceans.</span>
