Question

Reading Science

Answer 1

Answer:

B They go through many developmental changes.

Explanation:

According to the passage, development of frogs are susceptible to minor environmental changes due to the series of developmental changes they undergo.

During the developmental phase of a typical frog, several complicated cellular differentiation cycles occurs. These cycles are connected to one another and they are triggered by certain signals and responses. Disruption in certain environmental factors can affect the various developmental changes.