<span> This is an example of a quantitative </span><span>observation</span>
The transfer of antibodies from a mother to the fetus. This occurs naturally, and since it is the transfer of antibodies, it is passive immunity.
They use photosynthesis to turn sunlight, carbon dioxide, and water into carbohydrates.
The muscles of the muscular system keep bones in place; they assist with movement by contracting and pulling on the bones. To allow motion, different bones are connected by joints which are connected to other bones and muscle fibers via connective tissues such as tendons and ligaments.
If mitosis occurs correctly, the division of one cell by mitosis produces two cells.
