Movement of molecules from an area of higher concentration to one of lower concentration is called Diffusion!
Answer:
probably natural selection but it could also be discontinous variation.
Explanation:
depends on what context is??
They are single-celled organisms is false as plants are multicellular.
Asteroids are rocky bodies orbiting the sun. Asteroids are irregular is shape and size. The size varies from few feet to 500 miles across. Majority of the asteroids lie in asteroid belt which lies between the orbits of Mars and Jupiter.
It was affected by natural selection.
If this is wrong someone please tell me.