Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
a tube that carries air into the lungs.
plastids responsible for pigment synthesis and storage. They mainly contain carotenoids, but can...
energy resources such as coal and oil, which are being used up much more quickly than they can...
a form of malnutrition caused by a severe shortage of protein in the diet.
movement of the Earth's continents as the Earth's tectonic plates shift.
unicellular fungi, most of which reproduce asexually by a process called budding.