Whether the flight muscles of bar-tailed godwits expected to be light or dark colored. Concept introduction: Dark meat has more myoglobin content that functions to store the oxygen in the muscles and important to fuel the activity. Apart from that, this dark muscle has higher content of saturated fat, which is a good source of energy.

Question

The bar-tailed godwit is a type of shorebird that makes an annual migration from Aaska to New Zealand and back. The birds make each 11,500 kilometer (7,145 mile) trip by flying over the Pacific Ocean in about nine days, depending on weather, wind speed, and direction of travel. One bird was observed to make the entire journey uninterrupted , a feat that is comparable to a human running a nonstop seven-day marathon at 70 kilometers per hour (43.5 miles per hour). Would you expect the flight (breast) muscles of bar-tailed godwits to use mainly aerobic respiration or fermentation? Explain your answer.

Answer 1

Question

Chapter 7, Problem 3CT

Summary Introduction

To explain: Whether the flight muscles of bar-tailed godwits expected to be light or dark colored.

Concept introduction:

Dark meat has more myoglobin content that functions to store the oxygen in the muscles and important to fuel the activity. Apart from that, this dark muscle has higher content of saturated fat, which is a good source of energy.

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