In Ecosystems, Why Is the Term Cycling Used to Describe

question 27

Multiple Choice

In ecosystems, why is the term cycling used to describe material transfer, whereas the term flow is used for energy exchange?

• A) Materials are repeatedly used, but energy flows through and out of ecosystems.
• B) Both material and energy are recycled and are then transferred to other ecosystems as in a flow.
• C) Materials are cycled into ecosystems from other ecosystems, but energy constantly flows within the ecosystem.
• D) Both material and energy flow in a never-ending stream within an ecosystem.
• E) None of the choices is correct.

---

Definitions:

Conscientiousness

A personality trait characterized by being thorough, careful, or vigilant; it implies a desire to do a task well.

Human Groups

Refers to collections of individuals who interact with one another, share similar characteristics, and collectively have a sense of unity or identity.

Organ Transplantation

The surgical transfer of a healthy organ from one person (the donor) to another (the recipient) to replace a damaged or missing organ.

Health Care Provider

An individual or institution that offers medical services to patients, including doctors, nurses, clinics, and hospitals.