The number of steps an organism is from the start of the chain is a measure of its trophic level. Food chains start at trophic level 1 with primary producers such as plants, move to herbivores at level 2, predators at level 3 and typically finish with carnivores or apex predators at level 4 or 5.The path along the chain can form either a one-way flow or a food web.he trophic level of an organism is the position it occupies in a food chain.
The Internet protocol suite not only includes lower-layer protocols (such as TCP and IP), but it also specifies common applications such as electronic mail, terminal emulation, and file transfer. This article provides a broad introduction to specifications that comprise the Internet protocols.
1 The network requests an IP address (this is actually referred to as a DHCP discover message). 2  On behalf of your computer's request, the DHCP server allocates (leases) to your computer an IP address. This is referred to as the DHCP offer message. 2  Your computer (rememberâyou're the DHCP client) takes the first IP address offer that comes along. 3  It then responds with a DHCP request message that verifies the IP address that's been offered and accepted.