Use what you know about fossils to choose the correct answers from the drop-down menus to complete each statement
if the same organism appears on two different continents, this is evidence of
Fossils show how organisms change, or
over time
Fossis provide a record of animals that are
or no longer living

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.

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Nucleic acids offer variability because they contain alternate forms of genes called .