Q: Answer the following question given this paragraph: Q: Name what nutrient cycling is strongly regulated by. A:

OPTIONS:
- elevation
- abundance
- sunlight
- vegetation

A: vegetation

Q: Answer the following question given this paragraph: Mineralogists are scientists who study minerals. They divide minerals into groups based on chemical composition. Even though there are over 4,000 minerals, most minerals fit into one of eight mineral groups. Minerals with similar crystal structures are grouped together. Q: Similarity of crystal structures is used to categorize what non-living materials? A:

OPTIONS:
- salts
- corals
- grains
- minerals

A: minerals

Q: Answer the following question given this paragraph: Vascular plants evolved leaves to collect sunlight. At first, leaves were tiny and needle-like, which helped reduce water loss. Later, leaves were much larger and broader, so plants could collect more light. Q: Vascular plants evolved what basic structures to collect sunlight? A:

OPTIONS:
- flowers
- stems
- roots
- leaves

A: leaves

Q: Answer the following question given this paragraph: At the poles, the Sun's rays are least direct. Much of the area is covered with ice and snow, which reflect a lot of sunlight. Temperatures are lowest here. Q: Where are temperatures the lowest? A:

OPTIONS:
- over the oceans
- at the equator
- in asia
- at the poles

A:
at the poles