What Was Robert MacArthur's Outstanding Contribution to the Field of Ecology

question 64

Multiple Choice

What was Robert MacArthur's outstanding contribution to the field of ecology?

• A) The description of ecosystem services and the value they provide to us
• B) Mathematical models of processes and interactions that could then be tested experimentally
• C) The discovery of biogeochemical cycles and the ways we impact them
• D) Research on mutualisms between many different organisms
• E) Incorporating zoology into the field of ecology

---

Definitions:

Sexual Intercourse

A physical activity between humans involving genital contact, typically resulting in sexual pleasure and, in some cases, reproduction.

Sext

The act of sending sexually explicit messages or images, primarily through mobile phones or the internet.

Condom

A thin sheath typically made from latex, worn on a man's penis during sexual activity for contraceptive purposes and to prevent the transmission of sexually transmitted infections.

Sexual Orientation

A term that refers to whether a person is sexually and romantically attracted to others of the same sex, the opposite sex, or both sexes.