the models of the solar system were the couple of planets and a very big star. AKA the sun
Only 200 out of 2 000, 000 sperm cells reach the ovum. And only one (in exception to very rare cases of two) sperm cells actually participate in the process of fertilization. In comparison, an average female only produces 400 of egg cells during their lifetime, but the eggs cells are significantly larger than sperm cells.
Answer:
The presence of a few PLATES
Answer
solar system, a globe of earth
