<span>Surfactant, which is a mixture of fatty lipids and proteins are secreted by alveolar type II cells that line the perimeter of the inside of our empty alveolar space and aids in the movement of air and liquids that go in and out of the lungs. These cells may line other vital organs to protect it against outside wear and tear and keep the tissue inside our bodies intact making bodily functions working more smoothly.</span>
Answer:
The cell structures that best reveal evolutionary unity is the Plasma Membrane and DNA, which are the best cellular structures to study evolutionary unity.
Answer:scientists have found fossilized proof of evolution in many species to help best fit there environment.
Explanation: now i don't believe that we came from monkeys because then why would there still be monkeys you know but it is very possible for a species to change due to harsh environments
Widened margins does not occur at the continental margin
Answer:
C. The cells that make them up each contain genetic information.
Explanation:
A and B are not the answer because prokaryotes are unicellular organisms while eukaryotes are multicellular organisms. D is not the answer because prokaryotes do not have a nucleus, leaving the DNA floating in the cytoplasm.