'"Skin" term for the layer of cells on the upper & lower surfaces of a leaf; it may be one cell thick'
the epidermis
BIOLOGY: Skin term for the layer of cells on the upper & lower surfaces of a leaf; it may be one cell thick
"Skin" term for the layer of cells on the upper & lower surfaces of a leaf; it may be one cell thick
"Skin" term for the layer of cells on the upper & lower surfaces of a leaf; it may be one cell thick
BIOLOGY
the epidermis
BIOLOGY