Which of the following statements is not true? Which of the following statements is not true? Archaea and bacteria have different membrane lipids. Only bacteria have histones associated with DNA. The cell walls of archaea lack peptidoglycan. Only some archaea use CO2 to oxidize H2, releasing methane. Both archaea and bacteria generally lack membrane-enclosed organelles.

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

What was the land like over 500 million years ago? what was under the sea?

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