In a balanced ecosystem, how does the number of secondary consumers compare with the number of producers?

Does mitochondria still meet the definition of a eukaryote why or why not?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

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