*Question*
Answer the following question given this paragraph: Evolution is a change in the characteristics of living things over time. Evolution occurs by natural selection. 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*
Answer the following question given this paragraph: Mammals have the ability to regulate body temperature. This is an advantage, as Earth's climate went through sudden and dramatic changes. Mastodons, saber tooth tigers, hoofed mammals, whales, primates and eventually humans all lived during the Cenozoic Era ( Figure below ). 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*
Answer the following question given this paragraph: Vectors that are perpendicular to each other have no effect on each other. 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*
Answer the following question given this paragraph: Copper is a good conductor of electricity. That's why electric wires are often made of copper. They are covered with a protective coating of plastic, which does not conduct electricity. Q: What type of metal is a good conductor of electricity? Choices: - Tin - Aluminium - zinc - copper A:
**Answer**
copper