Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
biological classification group (taxon) for animals that is divided into classes. The plural of phylum is phyla.
single-celled floating algae, which provide food for marine animals, such as fish and whales....
(also called the pith) the central part of the stem that consists of large, thin-walled...
specialised proteins which catalyse chemical reactions and thereby speed up chemical reactions...
an organelle that occurs in the cytoplasm of both plant and animal cells. It is made from stacks...