Explain how things that plants or animals do are done by the work of cells

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Which type of neuroglia is found outside of the brain?

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except