3. cellular respiration is a series of catabolic pathways that break down carbohydrates, such as glucose molecules, and free the energy that was holding the molecules together. (a) discuss how the breaking down of pyruvate during fermentation ensures atp production. (b) discuss the disadvantages of anaerobic respiration when compared to aerobic respiration.

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

What element is able to combine with itself and hydrogen to form large molecules ?