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:

Broken Leg

A fracture or break in any of the bones in the leg, often caused by accidents or falls, requiring medical treatment and immobilization.

Crutches

Mobility aids used to transfer weight from the legs to the upper body during walking or standing.

Swing-To Gait

A type of gait where an individual moves both crutches forward together and then swings both feet to the crutches.

Light-Headed

A feeling of dizziness or faintness, often due to a decrease in blood supply to the brain.