Many cell organelles resemble sponges.
Many cell organelles resemble sponges.
It has two cell layers.
No, the cells of sponges do not have cell walls. Instead, sponge cells are held together by a gelatinous extracellular matrix called mesohyl. This allows for flexibility and mobility of the sponge's body.
why are collar cells important in classifying sponges as animals
Blood cells
Yes they do :)
Glycoproteins.
mitochondria
Cell recognition proteins allow cells to recognize each other as well as other molecules.
Cell recognition proteins allow cells to recognize each other as well as other molecules.
shatif