Amphibians differ from other tetrapods in that amphibians
A)are much smaller.
B)have a more rigid spinal column.
C)depend on water for reproduction.
D)A and C

Question

Quizplus · Accepted Answer

Amphibians depend on water for reproduction because their eggs lack a protective shell and must remain moist to prevent desiccation. This distinguishes them from other tetrapods, such as reptiles, birds, and mammals, which have developed various reproductive strategies that do not require water.

Amphibians Differ from Other Tetrapods in That Amphibians