*Question*
Q: The earliest cells were called what? Choices: - eukaryotes - carbohydrates - microcytes - prokaryotes A:
**Answer**
prokaryotes

*Question*
Q: Which system of the body is responsible for bringing air into the body? Choices: - vascular system - excretory system - digestive system - respiratory system A:
**Answer**
respiratory system

*Question*
Q: When magma reaches the surface through cracks in the earth's crust, what occurs? Choices: - volcanic explosion - magma eruption - tsunami - volcanic eruption A:
**Answer**
volcanic eruption

*Question*
Q: The ambrosia beetle bores holes in? Choices: - flowers - dirt - leaves - tree bark A:
**Answer**
tree bark