Which of the following do lobsters and clams have in common with fishes?
A) an exoskeleton
B) a two-chambered heart
C) internal gills
D) skin as a respiratory surface
E) more than one of these

Question

Quizplus · Accepted Answer

Lobsters and clams do not have an exoskeleton, two-chambered heart, or skin as a respiratory surface. However, they both have internal gills for gas exchange, which is also a characteristic of fish. Therefore, the correct answer is C - internal gills.

Which of the Following Do Lobsters and Clams Have in Common