*Question*
Q: Where do cells come from? Choices: - sexual reproduction - mutations - nuclear fission - preexisting cells A:
**Answer**
preexisting cells

*Question*
Q: Most plants grow continuously, except for what periods? Choices: - abnormal - mutant - winter - dormant A:
**Answer**
dormant

*Question*
Q: Radon is inert and generally unreactive because it is which kind of gas? Choices: - ignoble gas - transitive gas - ideal gas - noble gas A:
**Answer**
noble gas

*Question*
Q: Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what? Choices: - thought - language - time - space A:
**Answer**
space