Ecosystems Are Based on Complex Interactions Between Communities

question 29

Multiple Choice

Ecosystems are based on complex interactions between communities. What are possible consequences from a disruption of these interactions?

• A) increases in pollution
• B) increases in biodiversity
• C) increases in extinctions
• D) decreases in pollution
• E) decreases in extinctions

---

Definitions:

Activation Energy

The lowest level of energy required by reactants to partake in a particular chemical process.

Catalysts Function

The role performed by substances that speed up chemical reactions without themselves being consumed or altered permanently.

Collisions

Events where two or more bodies exert forces on each other for a relatively short time, often changing their motion due to the impact.

Heterogeneous

A mixture composed of components that are not uniformly distributed or that have localized concentrations.