Name at least three internal structures of the male reproductive system

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

Which describes the changes in the earths motion?

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