yes, over 1000 layers.
No, echinoderms are a type of marine animal. Animal cells do not have cell walls, only cell membranes.
Yes, starfish are eukaryotic organisms.
they have stinging cells ha ha ha perla
In the ball sack area
The embryonic origin of secondary mesenchyme cells in echinoderms is from sea cucumbers or sea urchins.
the thick walls keep the cells organelles inside of the cell
respiration
no
the leaf of the moss is one cell thick..
ONE CELL THICK !
well......cycads are only 2 or 3 cells thick the answer is cycads.
Cytoplasm