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Ecology: Biology of Interactions. II-05. Energy Sources for Biogeochemical Cycles
Movement of elements in the biosphere is maintained by three main energy sources (“drive belts” of biogeochemical cycles): solar energy transformed by hydrosphere and atmosphere in the hydrological cycle; solar …
Ecology: biology of interaction. II-04. Biogeochemical cycles
Biogeochemical cycle (BGC-cycle) refers to a relatively closed set of pathways for the transformation and movement of substances through living organisms and their environment. Biogeochemical cycles are called this because …
Ecology: biology of interaction. II-03. Gaia hypothesis (metaphor)
In 1972, James Lovelock and Lynn Margulis proposed the so-called «Gaia hypothesis» — the conception of Earth as a superorganism that maintains its homeostasis. As Lovelock later indicated, he and …
D3. Life Changes the Planet. “Past, Present, and Possible Future of Humanity and the Biosphere”
D3-1. How is time determined in Earth’s record? D3-2. How is the tree of life studied? D3-3. (Oxygen revolution). Supplement D3-4. (Asteroid bombardment of early Earth). Supplement D3-5. (How is …
D1. Substances for Life. “Past, Present, and Possible Future of Humanity and the Biosphere”
D1-1. (Major groups of organic substances). D1-2. (Abiogenic synthesis of organic substances). Supplement D1-3. (Organic matter in space).
C3. The Active Earth. «The Past, Present, and Possible Future of Humanity and the Biosphere»
C3-1. (Structure of the Earth) C3-2. (Sedimentary, Igneous, and Metamorphic Rocks) C3-3. (Geochronological Scale) Appendix C3-4. () Appendix C3-5. ()
D2. Life and Natural Selection. «The Past, Present, and Possible Future of Humanity and the Biosphere»
D2-1. How does the living differ from the non-living? D2-2. The Origin of Life Appendix D2-3. The Butlerov Reaction Appendix D2-4. How does new information arise? Appendix D2-5. (Chirality of …
C2. Earth and the Moon. «The Past, Present, and Possible Future of Humanity and the Biosphere»
C2-1. A "lucky" planet with a large moon C2-2. (Formation of the Moon) Appendix C2-3. (The "Apollo" Program) Appendix C2-4. (Inversions of Earth's Magnetic Field) Appendix C2-5. (The Search for …
HistBio — 01. The Course "Historical Development of Biosystems"
On this and the following pages, materials will be posted to help biology master's students master the course "Historical Development of Biosystems"
HistBio — 02. The Strength and Weakness of the Historical Approach
An introductory lecture to the course on the historical development of biosystems. The explanatory value of studying history. A foray into the philosophy of knowledge, discussing the foundation on which …
C1. Solar System. “Past, Present, and Possible Future of Humanity and the Biosphere”
C1-1. Earth’s place in the Universe. C1-2. (Formation of the Solar System). Supplement C1-3. (). Supplement C1-4. ().
B5. Micro-, Macro-, and Megaworld. “Past, Present, and Possible Future of Humanity and the Biosphere”
B5-1. (Why do size scales matter?). B5-2. (Paradoxes of quantum mechanics). Supplement B5-4. (Fate of the Universe). Supplement B5-4. (Dark matter). Supplement B5-5. (Dark energy).