Which factor will best help a scientist produce valid experimental results? A. having many different independent and dependent variables.

B. graphing results by using both graphing calculators and computers.

C. using large sample sizes in multiple replications of an experiment.

D. reporting the data that were collected and evaluations of the experimental procedure.

Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. this explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. these prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast