*Question*
Q: Which phylum are all vertebrate organisms a member of? Choices: - pylum protozoa - phylum hominid - phylum arthropod - phylum chordata A:
**Answer**
phylum chordata

*Question*
Q: What is the standard measurement for mass? Choices: - volume - calories - BMI - grams A:
**Answer**
grams

*Question*
Q: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this? Choices: - body temperature - equilibrium - blood pressure - homeostasis A:
**Answer**
homeostasis

*Question*
Q: What phenomenon can cause a protein in an organism to be made incorrectly? Choices: - evolution - heredity - allele - mutation A:
**Answer**
mutation