Bacteria a. are not found on our bodies. b. are only found on small select parts of our bodies. c. provide protection to us from disease by covering our bodies, crowding out 'bad' invading bacteria. d. always cause disease when growing on our bodies.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Which of the following is not associated with invasive species?

What changes the stability of the element