*Question*
Q: In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what? Choices: - carnivores - insects - primates - mammals A:
**Answer**
mammals

*Question*
Q: Which nerve directly stimulates the contraction of skeletal muscles in the pharynx and larynx to contribute to the swallowing and speech functions? Choices: - glands nerve - larynx nerve - gland nerve - vagus nerve A:
**Answer**
vagus nerve

*Question*
Q: What occurs in a population when its allele frequencies change over time? Choices: - variation - generation - extinction - evolution A:
**Answer**
evolution

*Question*
Q: The electron released during beta decay is not an orbital electron but an electron whose origin was where? Choices: - outside the nucleus - connected to the nucleus - orbiting the nucleus - in the nucleus A:
**Answer**
in the nucleus