At Higher and Higher Trophic Levels, There Are Usually _____

question 77

Multiple Choice

At higher and higher trophic levels, there are usually _____ and _______ animals.

• A) fewer; smaller
• B) fewer; larger
• C) more; smaller
• D) more; larger
• E) None of these are correct; there is no change in number or size.

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Definitions:

Tropomyosin

A protein that regulates muscle contraction by controlling the access of myosin to actin filaments.

Muscle Contraction

Muscle contraction is a physiological process where muscle fibers actively shorten or generate tension, often resulting in movement or the maintenance of posture.

Muscle Contraction

The process by which muscle fibers shorten, generating force and movement.

External Epithelium

The outermost layer of cells covering the body surfaces and organs, serving as a protective barrier.