Three Discrete Types of Muscle Fibers Are Identified on the Basis

question 73

Multiple Choice

Three discrete types of muscle fibers are identified on the basis of their size, speed, and endurance. Which of the following athletic endeavors best represents the use of red fibers?

• A) gym climbing
• B) a long, relaxing swim
• C) playing baseball or basketball
• D) a sprint by an Olympic runner

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Definitions:

Rich Soils

Rich soils are highly fertile soils that contain a wealth of organic matter, nutrients, and minerals, promoting vigorous plant growth.

Insufficient Rainfall

A condition where the amount of precipitation received is not adequate to meet the water needs of an area, leading to drought conditions.

Herbivores

Organisms that feed primarily on plants, including fruits, leaves, stems, and roots, playing a crucial role in ecosystems by transferring energy from plants to higher trophic levels.

Sunlit Layer

The topmost layer of ocean or body of water that receives sunlight, allowing photosynthesis in aquatic ecosystems.