How do you think a single-celled organism developed into so many different forms of life?

Environmental impacts on evolution : mastery test

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

Which is a kingdom? protistachordataprokarya mammalia