asked 151k views
3 votes
This drawing shows the internal anatomy of a sponge. What does the arrow down the middle represent?

1 Answer

4 votes
The flow of water through the body of a sponge.
answered
User Stefano Barbi
by
9.0k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.