Which of the Following Is the Best Example of an Ecosystem

question 26

Multiple Choice

Which of the following is the best example of an ecosystem service?

• A)a park ranger checking fishing licenses
• B)the regulation of gas prices
• C)a college environmental club cleaning up the shoulder of a highway
• D)soil microbes fixing atmospheric nitrogen
• E)a city cutting down a tree that is dying

---

Definitions:

Prenatal Visits

Scheduled medical appointments during pregnancy intended to monitor the health of the mother and developing fetus, and to provide guidance and education.

Obstetrician

A medical doctor specializing in the care of pregnant women, from prenatal care through childbirth and postpartum period.

Pregnant

The state of carrying developing offspring within the body after conception.

Psychosocial Development

A framework by Erik Erikson that describes how personal and social development progresses through eight predetermined stages over an individual's lifetime.