Q: The longest period of daylight hours occurs at the beginning of what season? Choices: - winter - autumn - spring - summer A:
summer

Q: Aging occurs as cells lose their ability to do what? Choices: - grow - build - join - divide A:
divide

Q: Q: What phenotype do gain-of-function mutations usually result in? Choices: - submissive - internal - external - dominant A:
A: dominant

Question: Q: Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk? Choices: - chlorophyll - roots - stems - flowers A:
Answer: flowers

*Question*
Q: What can be used to mechanically separate the two elements by attracting the iron filings out of the mixture and leaving the sulfur behind? Choices: - centrifuge - laser - graduated cylinder - magnet A:
**Answer**
magnet

Q: Q: What are boggy regions with thick layers of peat called? Choices: - wetlands - tropics - meadows - peatlands A:
A: peatlands