A diagram in the course handout shows that a freshwater sponge survives an unfavorable season by forming resistant internal buds. Identify the related structure or process.

Correct Answer: A

gemmules

Gemmules are resistant internal buds produced by many freshwater sponges. They allow survival during harsh conditions and can develop into new sponges when conditions improve. This MCQ belongs to the Porifera topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.