What animal lacks a notochord in both its embryonic and adult stages

One group of reptiles, characterized by the fossil ark metal x

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 are the formed elements (cell or parts of cell) in blood and what are their functions ?