Which of the Following Is Primarily Responsible for Limiting the Number

question 64

Multiple Choice

Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems?

• A) Many primary and higher-order consumers are opportunistic feeders.
• B) Decomposers compete with higher-order consumers for nutrients and energy.
• C) Nutrient cycles involve both abiotic and biotic components of ecosystems.
• D) Nutrient cycling rates tend to be limited by decomposition.
• E) Energy transfer between trophic levels is almost always less than 20% efficient.

---

Definitions:

Report Design View

A mode in database applications where users can create and customize the layout and contents of reports.

Field Lists

Collections of fields displayed in software applications or databases that indicate the types of information that can be entered or manipulated.

Query Design View

A visual interface in database systems that allows users to create or modify queries through a graphical representation of tables and the relationships between them.

Form Design View

A feature in database and application software that allows users to visually create and customize the layout of a form.