Why are cause and effect graphic organizers useful?
a. Because they show relationships among C. Because they tell us what will happen in the
events
fature
b. Because they identify when time began d. All of these

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals