A cell, they are the tiniest living thing on earth.
I’m not 100% sure if this is a scientific theory but I’m going with the big bang theory. The big bang theory is a scientist best guess on how the world came to be. A 2013 map of the background radiation left over from the Big Bang, taken by the ESA's Planck spacecraft, captured the oldest light in the universe. This information helps astronomers determine the age of the universe.
reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
Correct: The sun is the center of the solar system. It is mostly gas. It is the most massive object in the solar system.
If you put a rock in a slingshot and draw back the rubber band the rock will fly out at a predictable speed depending on the distance that the rubber band is draw back. this is an example of the following
law
