148k views
1 vote
What orgamism is a complex invertebrate sponge flatworm coral crab

2 Answers

3 votes
I had asked the same thing before but then I figured it out. Out of a flatworm, sponge, coral, or crab, the complex invertebrate is a crab.
User Aristeidis Karavas
by
6.3k points
3 votes
Out of a flatworm, sponge, coral, or crab, the complex invertebrate is a crab. Hope this helps, good luck
User Gabtub
by
7.1k points