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

Multiple Choice

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

A) running by a 50-gram rodent.
B) running by a 40-kg ungulate.
C) flying by a 100-g bird.
D) swimming by a 10-g minnow (bony fish) .
E) swimming by a 100-kg tuna (bony fish) .