Archaean
(Science: geology) The earliest period in geological period, extending up to the Lower silurian. It includes an azoic age, previous to the appearance of life, and an eozoic age, including the earliest forms of life.
this is equivalent to the formerly accepted term azoic, and to the eozoic of Dawson.
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..