*Question*
Q: What term is used to describe a change in the characteristics of living things over time? Choices: - customization - generation - reproduction - evolution A:
**Answer**
evolution

*Question*
Q: The ability to regulate what, which is possessed by mammals, was an advantage as earth's climate went through sudden and dramatic changes? Choices: - mutations - reflex behaviors - hair growth - body temperature A:
**Answer**
body temperature

*Question*
Q: What change can you expect in vectors that are perpendicular to each other? Choices: - Chemical reaction - Large Effect - Molecular Reaction - no effect A:
**Answer**
no effect

*Question*
Q: What type of metal is a good conductor of electricity? Choices: - Tin - Aluminium - zinc - copper A:
**Answer**
copper