Meiosis questions 1. Explain why an egg is so much bigger than a sperm.

2. What are the key differences between the first half of meiosis and the second half of meiosis.

3. What's the difference between somatic cells and gametes?

4. What is the defining characteristic of homologous chromosomes?

5. List out three differences between mitosis and meiosis.

the fossil record provides evidence of a common ancestor to many species.

you can have just about every answer you can think of

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.