Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.
cells are bigger than atoms. We can see cells with a microscope. Just as atoms have smaller parts called protons, neutrons, and electrons, cells have smaller parts, too. When you look at cells with a powerful microscope, you can clearly see hundreds of them.
Answer:
- inheritable changes
- genetic
- generations
I don't know about the second sentence, is it possible you give me a bit more of a context then maybe i can be of help
That the oxygen levels in the test tube increased and carbon dioxide levels decreased because plants produce oxygen using carbon dioxide
