*Question*
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*
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*
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*
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