Answer:
The subphylum Chelicerata (New Latin, from French chélicère, from Greek χηλή, khēlē "claw, chela" and κέρας, kéras "horn")[1] constitutes one of the major subdivisions of the phylum Arthropoda. It contains the sea spiders, arachnids (including scorpions, spiders, and potentially horseshoe crabs[2]), and several extinct lineages, such as the eurypterids.
Answer:
A living organism's position in the flow of energy through an ecosystem.
Hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.
Ecosystems can only have so many organisms living in it before the vegetation’s can’t break it all down.