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A closed ecological system for an entire planet is called an ecosphere. [2] [3]Man-made closed ecological systems which were created to sustain human life include Biosphere 2, MELiSSA, and the BIOS-1, BIOS-2, and BIOS-3 projects.
The black walnut secretes a chemical from its roots that harms neighboring plants, an example of competitive antagonism.. In ecology, a biological interaction is the effect that a pair of organisms living together in a community have on each other.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Biodome may refer to: . a closed ecological system; Bio-Dome, a 1996 movie starring Pauly Shore and Stephen Baldwin and directed by Jason Bloom.; the Montreal Biodome, a facility located in Montreal that allows visitors to walk through replicas of four ecosystems found in the Americas.
For example, ecosystems can be quite different if situated in a small depression on the landscape, versus one present on an adjacent steep hillside. [ 9 ] : 39 [ 10 ] : 66 Other external factors that play an important role in ecosystem functioning include time and potential biota , the organisms that are present in a region and could ...
Examples of biological systems at the macro scale are populations of organisms. On the organ and tissue scale in mammals and other animals, examples include the circulatory system , the respiratory system , and the nervous system .
Obtaining such genetically identical organisms (or pure strains) can be useful; this is done by spreading organisms on a culture plate and starting a new stock from a single resulting colony. [ 12 ] A biofilm is a colony of microorganisms often comprising several species, with properties and capabilities greater than the aggregate of ...
Biocomplexity spiral 'Biocomplexity' is a multidisciplinary field that examines and investigates emergent properties arising from the interaction of multiple biological agents, phenomena, and systems, which may range in spatiotemporal scales, biological relationships,interactions and levels from molecules to ecosystems.