Predators & defenses : Many different types of animals prey on adult sea urchins, including birds, sea otters, fishes, crabs, lobsters, octopuses, and sea stars. Eggs and larvae of sea urchins are eaten by many types of carnivorous zooplankters and by suspension-feeding invertebrates including hydroids, sea anemones, and mussels, just to name a few.
IPv4 (Internet Protocol Version 4) is the fourth revision of the Internet Protocol (IP) used to to identify devices on a network through an addressing system. The Internet Protocol is designed for use in interconnected systems of packet-switched computer communication networks (see RFC:791).
HTTP and HTTPS are the only internet protocols which are used to browse. (Provided you define browsing as view websites.) HTTP and HTTPS usually depend on TCP to del â¦ iver websites to the visitor. TCP itself uses IP for routing. IP is the underlying Internet protocol to move information across the network.