Which of the Following Are True About Ecosystems? Check All

question 32

Multiple Choice

Which of the following are true about ecosystems? Check all that apply.

• A)They contain both living and nonliving components.
• B)There is a transfer of energy through the system and some energy is lost as heat energy.
• C)Nutrients repeatedly cycle through the ecosystem.
• D)They represent the lowest level of biological organization.
• E)The ultimate source of energy for most ecosystems is the sun.

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Definitions:

Science Goal

An objective or aim related to gaining knowledge, understanding phenomena, or solving problems using systematic and empirical methods characteristic of the sciences.

Scientific Method

A systematic process of inquiry involving observation, hypothesis formulation, experimentation, and conclusion to test scientific theories and gain knowledge.

Research Method

The systematic approach to collecting, analyzing, and interpreting data in order to increase understanding of a topic or issue.

Testable Hypothesis

A hypothesis that can be supported or refuted through experimentation or observation, making it possible to draw conclusions.