*Question*
Answer the following question given this paragraph: Biodiversity is a measurement of the amount of variation of the species in a given area. More specifically, biodiversity can be defined as the variety of life and its processes, including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur. Q: What is a measurement of the amount of variation of the species in a given area called? Choices: - ecosystem - population - degradation - biodiversity A:
**Answer**
biodiversity

*Question*
Answer the following question given this paragraph: The rate of breathing is regulated by the brain stem. It monitors the level of carbon dioxide in the blood and triggers faster or slower breathing as needed to keep the level within a narrow range. Q: Which part of the brain regulates the rate of breathing? Choices: - brain stem - brain uptake - brain charge - brain stem A:
**Answer**
brain stem

*Question*
Answer the following question given this paragraph: Most of the stars pictured in this view of the night sky are hundreds of light years from Earth. A light year is the distance that light can travel in a year, or about 6 trillion (6,000,000,000,000) miles. As this example shows, quantities in science may be very large. Many other quantities in science are very small. Both very large and very small numbers have many zeroes, so they are hard to read and write without making mistakes. That's where scientific notation comes in. Q: The distance that light can travel in a year is known as what? Choices: - earth year - beam year - solar year - light year A:
**Answer**
light year

*Question*
Answer the following question given this paragraph: The motor division of the PNS carries nerve impulses from the central nervous system to muscles and glands throughout the body. The nerve impulses stimulate muscles to contract and glands to secrete hormones. The motor division of the peripheral nervous system is further divided into the somatic and autonomic nervous systems. Q: Which system is divided into the somatic and autonomic nervous systems? Choices: - auxiliary nervous system - central nervous system - local nervous system - peripheral nervous system A:
**Answer**
peripheral nervous system