Which characteristics allow the fetus to thrive, despite a lower than average blood po2?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Where can a dna be found in a prokaryotic cell

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity