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 complete set of alleles (different forms of genes) making up the genetic material of a particular species or population.
a hormone produced by the pituitary gland, which helps to limit the amount of water lost from...
the dramatic increase in the human population growth rate over the past two centuries.
a group or category in the biological classification system (the plural of taxon is taxa).
the windpipe or tube that carries air. It is kept open by C-shaped rings of cartilage.