*Question*
Q: Fishes were the earliest example of what subphylum, and jawless fishes were the earliest of these? Choices: - grasses - ferns - mammals - vertebrates A:
**Answer**
vertebrates

*Question*
Q: What is the name for the process of charging an object by touching it with another charged object? Choices: - charging by connection - charging by convection - charging by transfer - charging by conduction A:
**Answer**
charging by conduction

*Question*
Q: What type of traits are features that are passed from one generation to the next called? Choices: - generational traits - genetic traits - familial traits - inherited traits A:
**Answer**
inherited traits

*Question*
Q: Food is chemical energy stored in what? Choices: - typical molecules - oxygen molecules - DNA molecules - organic molecules A:
**Answer**
organic molecules