Q: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure? Choices: - mass - volume - area - density A:
density

Q: When does the nucleus divide? Choices: - meiosis - photosynthesis - epistasis - mitosis A:
mitosis

Q: Q: What two measurements are multiplied to find the area of a rectangle? Choices: - depth and width - volume and mass - length and depth - length and width A:
A: length and width

Question: Q: The genes that code for the positive cell cycle regulators are called what? Choices: - stem cell genes - primary genes - ribosomes - proto-oncogenes A:
Answer: proto-oncogenes

*Question*
Q: What occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism? Choices: - erosion - absorption - sollution - fragmentation A:
**Answer**
fragmentation

Q: What supports most of earth's ecosystems? Choices: - oceans - moon - crust - sun A:
sun