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2. Biological life cycle - Wikipedia

   en.wikipedia.org/wiki/Biological_life_cycle

   In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...

3. List of cycles - Wikipedia

   en.wikipedia.org/wiki/List_of_cycles

   Alternation of generations – Beta oxidation – Bioelectricity – Biological pest control – Biological rhythm – Bipolar disorder – Cardiopulmonary resuscitation – Calvin–Benson cycle – Cell cycle – Chronobiology – Citric acid cycle – Circadian rhythm – Clinical depression – Digestion – Ecology – Feedback – Infradian rhythm - Life cycle – List of biochemistry ...

4. Category:Human life stages - Wikipedia

   en.wikipedia.org/wiki/Category:Human_life_stages

   Pages in category "Human life stages" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. A. Āśrama (stage) D.

5. Alternation of generations - Wikipedia

   en.wikipedia.org/wiki/Alternation_of_generations

   Alternation of generations is defined as the alternation of multicellular diploid and haploid forms in the organism's life cycle, regardless of whether these forms are free-living. [6] In some species, such as the alga Ulva lactuca , the diploid and haploid forms are indeed both free-living independent organisms, essentially identical in ...

6. Life in the Undergrowth - Wikipedia

   en.wikipedia.org/wiki/Life_in_the_Undergrowth

   Life in the Undergrowth is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the UK from 23 November 2005. A study of the evolution and habits of invertebrates , it was the fifth of Attenborough's specialised surveys following his major trilogy that began with Life on Earth .

7. Trematode life cycle stages - Wikipedia

   en.wikipedia.org/wiki/Trematode_life_cycle_stages

   The life cycle of a typical trematode begins with an egg. Some trematode eggs hatch directly in the environment (water), while others are eaten and hatched within a host, typically a mollusc. The hatchling is called a miracidium, a free-swimming, ciliated larva. Miracidia will then grow and develop within the intermediate host into a sac-like ...

8. Marine biogeochemical cycles - Wikipedia

   en.wikipedia.org/wiki/Marine_biogeochemical_cycles

   Marine biogeochemical cycles are biogeochemical cycles that occur within marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. These biogeochemical cycles are the pathways chemical substances and elements move through within the marine environment. In addition, substances and elements can ...

9. Life cycle - Wikipedia

   en.wikipedia.org/wiki/Life_cycle

   Enterprise life cycle, the process of changing a business enterprise; Project life cycle; Product lifecycle, the stages in the lifespan of a commercial or consumer product; New product development, the process of bringing a new product to market; Life-cycle assessment, the analysis of the environmental impacts associated with a product