Sponges have folded body walls with holes leading to the inside of the animal. The advantage is that water stays in one area allowing the animal to respire.
Animal cells do not have cell walls so cell walls do not do anything for animal cells.
Animal cells do not have cell walls. Many animal-like protists also lack cell walls.
Coral is actually an animal. It's an animal belonging to polyp family and have a hard exoskeleton with a soft body.
they look rigid and feel motionless
No, there are no cell walls in animal cell.
only plant and bacterial cells have walls
Hard :)
Animals do not have cell walls, animals cells with cell walls do not exist.
No because only plant cells have cell walls ergo cell walls cannot form in animal cells at all.
plant cells and animal cells both have cell walls.
Plants have cell walls, there are no animals with cell walls.