In a Simple Laboratory Experiment, a Researcher Maintained Two Different

question 38

Multiple Choice

In a simple laboratory experiment, a researcher maintained two different species of single-celled protists, Paramecium caudatum and Paramecium aurelia . He recorded population growth of each species individually and then mixed a similar number of individuals from each population and recorded their growth rates when living together. The graphs below represent the results of this experiment.

Based on the graph of the mixed culture, what is happening?

• A) formation of a dominance hierarchy
• B) interspecific competition
• C) resource partitioning
• D) an increase in species diversity

---

Definitions:

False

Refers to something that is not in accordance with truth or fact.

Hypotheses

A proposed explanation for a phenomenon, subject to further investigation or testing.

Explanation

The act of making something clear or understandable, typically by describing the relevant structure, mechanism, or reasons.

Dental Hygiene

The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease.