[More About Power Words](https://www.snexplores.org/power-words-aid-stem-literacy/)
**behavior**: The way something, often a person or other organism, acts towards others, or conducts itself.
**biology**: The study of living things. The scientists who study them are known as biologists.
**psychologist**: A scientist or mental-health professional who studies the mind, especially in relation to actions and behaviors. Some work with people. Others may conduct experiments with animals (usually rodents) to test how their minds respond to different stimuli and conditions.
**sex**: An animal’s biological status with respect to reproductive functions, typically male or female. There are a number of indicators of biological sex, including sex chromosomes, gonads, internal reproductive organs, and external genitals. It can also be a term for some system of mating between male and female animals such that each parent organism contributes genes to the potential offspring, usually through the fertilization of an egg cell by a sperm cell.
**social**: (adj.) Relating to gatherings of people; a term for animals (or people) that prefer to exist in groups. (noun) A gathering of people, for instance those who belong to a club or other organization, for the purpose of enjoying each other’s company.
**species**: A group of similar organisms capable of producing offspring that can survive and reproduce.