3 An ancestral species of deer became split into two groups and were geographically
isolated by glaciers. Thousands of years later when the glaciers receded two species
of deer that did not interbreed were present. What type of evolution occured? (AKS
110)
6

Nucleic acid certain protein cell membranes certain carbohydrates

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

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?