Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
the outer most layer of tightly packed modified parenchyma cells in plants.
the cartilaginous flap at the top of the mammalian trachea, which closes off the entrance to the...
tissue that covers the surfaces of the body (the skin) and lines the ducts of the gut.
epithelial tissue that lines the inner spaces of the body or organs.
a very long time span in the Earth's history, covering tens or hundreds of millions of years....