Many Aquatic Invasive Species Are Introduced ________

question 71

Multiple Choice

Many aquatic invasive species are introduced ________.

• A) in firewood transport
• B) in ballast water
• C) intentionally
• D) in food shipments

---

Definitions:

Hindbrain

The rear division of the brain, responsible for regulating basic life functions such as heart rate and respiration, and coordination of movement.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people outside of the experimental conditions.

Internal Validity

The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome, avoiding confounding variables.

Testosterone Levels

Refers to the concentration of the hormone testosterone in the body, which plays a key role in male sexual development, muscle mass, bone density, and mood regulation.