The "Ironman" Is a Version of the Triathlon, a Race

question 48

Multiple Choice

The "Ironman" is a version of the triathlon, a race that includes three events: swimming, bicycling, and running. In an Ironman, an athlete must swim 2.4 miles, bike 112 miles, and run 26.2 miles, in that order, without a break. The annual Ironman World Championship is held in Hawaii every year. The men's course record was set in 2011 by Australia's Craig Alexander with a time of 8 hours, 18 minutes, and 37 seconds, and the women's course record was set in 2009 by England's Chrissie Wellington with a time of 8 hours, 54 minutes, and 2 seconds.
-What type of energy would the leg muscles of athletes that enter this race use during the final 26.2-mile foot race?

• A) stored ATP and PCr
• B) aerobic respiration
• C) stored ATP and PCr plus lactic acid fermentation
• D) lactic acid fermentation

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Definitions:

Succulent Plants

Plants with thick, fleshy parts adapted to store water, allowing them to survive in arid climates or soil conditions.

Species Diversity

The variety of different species present in a particular ecological community or habitat.

Arctic Tundra

A biome characterized by a cold, desert-like climate located at high latitudes above the Arctic Circle, with permafrost and minimal vegetation.

Coniferous Forest

A biome characterized by evergreen trees with needles and cones, often found in cooler northern latitudes.