The Seeds of Some Fruits Cannot Germinate Unless They Have

question 97

True/False

The seeds of some fruits cannot germinate unless they have first passed through the digestive system of an animal. Given this, the animal plays a role in perpetuating the plant species, and this role can best be considered an example of a trophic level.

---

Definitions:

Third Variable Assumption

The idea in research that a correlation between two variables might be explained by a third factor that affects both of the original variables.

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion.

Psychological Trait

A characteristic way of thinking, feeling, or behaving that is consistent over time and situations and distinguishes one individual from another.

Variables

Elements, features, or factors that can change or vary within a study or experiment, potentially influencing the outcomes.