Interconnected Community of Organisms Living Together in a Physical Environment

question 24

Multiple Choice

Interconnected community of organisms living together in a physical environment as a balanced, mutually supportive system

• A)Ozone
• B)Photochemical smog
• C)Biodiversity
• D)Ecosystem
• E)Temperature inversion

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Definitions:

Epicardium

The outermost layer of the heart wall, also part of the pericardium.

Pericardium

The membranous sac filled with serous fluid that encloses the heart and the roots of the aorta and other large blood vessels.

Myocardium

The muscular layer of the heart wall responsible for the heart's pumping action.

Endocardium

The innermost layer of tissue that lines the chambers of the heart and is continuous with the inner lining of blood vessels.