Figure 39.2 The Most Energetically Efficient Locomotion Per Unit Mass Is Likely

question 1

Multiple Choice

Figure 39.2
The most energetically efficient locomotion per unit mass is likely

• A)running by a 50-gram mouse.
• B)running by a 40-kg horse.
• C)flying by a 4-g hummingbird.
• D)swimming by a 10-g stickleback (bony fish).
• E)swimming by a 100-kg shark.