there are 2 layers. one for each side. like a sandwich and the layers are the bread. there are two of them so they can hold together the inside :]
2 layers of lipids.
A leaf is made of many layers that are sandwiched between two layers of tough skin cells
a leaf palisade cell
A hydra typically has two cell layers: an outer layer of epithelial cells and an inner layer of gastrodermal cells. These layers are separated by a jelly-like extracellular matrix called the mesoglea.
there are 2 layers. one for each side. like a sandwich and the layers are the bread. there are two of them so they can hold together the inside :]
It's the top of the leaf which has many layers
forty-six layers
4 - counting the cuticle, without it it is just 2
2 layers of lipids.
71 microscopic layers
2 layers
2
3
there are three
A leaf is made of many layers that are sandwiched between two layers of tough skin cells
Three