At what time does the runners body switch from energy supplied by lactic acid to energy supplied by cellular respiration

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

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is the literal meaning of the term “binomial nomenclature? ” give an example of when it’s beneficial to use the scientific name of an organism