Answer:
variables
Explanation:
Studying one trait at a time ensures that multiple variables are not changing simultaneously.
Answer:
The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.
Explanation:
As brown is dominant, all four children will have brown eyes.
Answer:
pure research or fundamental research which is a type of reach with the idea of improving scientific theories. :)
Does not have a nucleus. The prokaryotic cell's chromosome float around the cell itself.
