*Question*
Q: Plants can lose their leaves, flower, or break dormancy in response to a change in what? Choices: - events - periods - averages - seasons A:
**Answer**
seasons

*Question*
Q: What is idefined as the mass of a substance divided by its volume? Choices: - weight - height - length - density A:
**Answer**
density

*Question*
Q: Monocots and eudicots differ in what type of a leaf's tissue? Choices: - structural - circulatory - reproductive - vascular A:
**Answer**
vascular

*Question*
Q: Misconceptions about what theory contribute to the controversy that still surrounds this fundamental principle of biology? Choices: - darwin on evolution - brain of evolution - cycle of evolution - theory of evolution A:
**Answer**
theory of evolution