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The Medusa and the Snail: More Notes of a Biology Watcher is a 1979 collection of essays by the American science writer Lewis Thomas. It was published by Viking Press in 1979 and reissued by Penguin Books in 1995. Most of the essays in the book had first appeared in the New England Journal of Medicine.
Chronobiology – field of biology that examines periodic (cyclic) phenomena in living organisms and their adaptation to solar- and lunar-related rhythms. Dendrochronology – study of tree rings, using them to date the exact year they were formed in order to analyze atmospheric conditions during different periods in natural history.
Year 11 is an educational year group in schools in many countries including England and Wales, Northern Ireland, Australia and New Zealand. It is the eleventh or twelfth year of core education. For some Year 11 students it is their final year studying and may include final exams. In the US and Canada, it is referred to as tenth grade. Students ...
In the UK, this is considered to be at the level of the GCSE, awarded at Year 11. [ 42 ] [ 43 ] For college and university admissions in the UK, a high school diploma may be accepted in lieu of the GCSE if an average grade better than D+ is obtained in subjects with a GCSE counterpart.
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
In Queensland, Year 11 students are the youngest in the country, as they usually enter at age fifteen. In New South Wales, Year 11 is the shortest year as it only lasts three whole terms. Students commence Year 12 in Term 4 instead of completing a fourth term of Year 11. Year 11 is followed by Year 12, the final year of high school.
Cell Biology in "The Biology Project" of University of Arizona. Centre of the Cell online; The Image & Video Library of The American Society for Cell Biology Archived 2011-06-10 at the Wayback Machine, a collection of peer-reviewed still images, video clips and digital books that illustrate the structure, function and biology of the cell.
The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia. [32] [33 ...