You are presented with the question "what are sponges?" and the following answer choices: 
- protect them
 - storing water
 - fertile
 - barnacles
 - hydrate their cells
 - dangerous
 - hermaphrodites
 - important habitats

Now knowing that adult sponges produce eggs and sperm and most sponges are hermaphrodites, each individual bearing both eggs and sperm, choose the best answer.


 

       hermaphrodites  