Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
mass extinction event of 250 million years ago, in which about 90% of all species on Earth died out. It included a mass extinction of insects.
(also called pith rays) sections of the medulla that occur between the vascular bundles.
external opening of the rectum (part of the mammalian digestive tract) through which faeces are...
the formation of a relatively complex chemical compound from simpler substances.
substance used to test for the presence of starch. It is a mixture of elemental iodine,...