| A | B |
|---|
| oxygen | Plants give off the gas _____. |
| energy | Respiration produces ______. |
| sugar | Photosynthesis produces _____. |
| meiosis | Gametes (sex cells) are produced by _____. |
| water, carbon dioxide, and sunlight | The 3 things that photosynthesis needs to make sugar are _____, _____, and _____. |
| half | Meiosis reduces the chromosome number by _____. |
| asexual | _____ reproduction produces cells with the same number of chromosomes as the parent. |
| non-disjunction | _____ is when chromosomes don't separate properly. The cells end up with too many or too few chromosomes. |
| root tip | Cell division occurs most in the onion _____. |
| skin cells | _____ divide the most frequently in the human body. |
| aerobic | _____ respiration makes the most ATP. |
| anaerobic | Respiration that does not use oxygen. |
| cell division | Mitosis means ______. |
| prophase, metaphase, anaphase, and telophase | The four stages of mitosis. |
| sexual | Meiosis is _____ reproduction because it makes sperm and egg. |
