Which feature describes the hind legs of fleas beetle?

Which feature describes the hind legs of fleas beetle?

• A. They are stout and used for jumping
• B. They are slender and used for walking
• C. They are absent in larvae
• D. They are used for digging

Answer: (A)

Flea beetles rely on their hind legs for jumping, so these legs are stout and built to act as a spring. The hind femora are enlarged and powerful, storing energy in the muscles and releasing it to launch the beetle into the air. This jumping ability helps them escape predators and move quickly between plants. The other ideas don’t fit: slender legs are more for walking, larvae of beetles often have different leg development or none at all, and digging would require legs adapted to scooping or drilling. So, describing the hind legs as stout and used for jumping best matches how flea beetles move.

Flea beetles rely on their hind legs for jumping, so these legs are stout and built to act as a spring. The hind femora are enlarged and powerful, storing energy in the muscles and releasing it to launch the beetle into the air. This jumping ability helps them escape predators and move quickly between plants. The other ideas don’t fit: slender legs are more for walking, larvae of beetles often have different leg development or none at all, and digging would require legs adapted to scooping or drilling. So, describing the hind legs as stout and used for jumping best matches how flea beetles move.