Question

which of the following undergoes metamorphosis?
a bird
b toad
c bear
d seal

Explanation:

Metamorphosis is a process of distinct developmental changes. Birds, bears, and seals are born as miniature versions of adults (direct development). Toads (amphibians) undergo metamorphosis: from aquatic tadpoles with gills and tails to terrestrial adults with lungs and legs.

Answer:

B. toad