Question

1. what term refers to sponges that can produce both types of gametes, eggs and sperm?

spongin
mesohyl
gemmule
hermaphrodite

Explanation:

• Spongin is a protein - like substance in sponges' skeletons, not related to gamete production.
• Mesohyl is the gel - like matrix in sponges, not for gamete production.
• Gemmule is a structure for asexual reproduction in sponges.
• Hermaphrodite organisms can produce both male (sperm) and female (eggs) gametes, which matches the description of sponges producing both eggs and sperm.

Answer:

D. hermaphrodite