Analysis of a blood sample from a fasting individual who had not eaten for 24 hours would be expected to reveal high levels of .

An adult who follows a 2000-kcal healthy u. s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

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

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen