Competition Definition in Biology. Biology A-Z. molecular switch A molecule that can be reversibly changed between two or more stable states. There are simply not enough of some resources for all individuals to have equal access and supply. It occurs when species are diminished because of environmental forces (natural or human-made) or because of evolutionary changes in their members. So You've Been Asked to Submit a biography The field of molecular biology overlaps with biology and chemistry and in particular with genetics and biochemistry. Bioinformatics definition is - the collection, classification, storage, and analysis of biochemical and biological information using computers especially as applied to molecular genetics and genomics. This is … It is based on the theoretical assumption that every organism—whether a single cell or multicellular—is continually engaged in systematic acts of cognition coupled with intentional behaviors, i.e., a sensory-motor coupling. Learn more. 1. Despite the complexity of the science, certain unifying concepts consolidate it into a single, coherent field. biology - WordReference English dictionary, questions, discussion and forums. Biology includes the study of genes and cells that give living things their special characteristics. Biological weapon definition is - a harmful biological agent (such as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale. Biology is the study of life and living organisms, from one-celled creatures to the most complex living organism of all — the human being. ‘The numbers studying chemistry and biology, meanwhile, have been enjoying a steady rise.’ ‘Many fields in biology have progressed by the concentrated study of a select group of model systems.’ ‘Gina was a really interesting person - studying biology and chemistry to go to Med School and then join the Army to travel the world.’ Digestion, sequence by which food is broken down and chemically converted so that it can be absorbed by the cells of an organism and used to maintain vital bodily functions. See more. | Meaning, pronunciation, translations and examples This sense of "biological vector" is the primary one in epidemiology and in common speech. AP Biology; NGSS High School; News & Stories. … Biological definition, pertaining to the science and application of biology: the biological substrata; conducting biological tests. A drop in a bucket, really. How to use bio in a sentence. biology definition: 1. the scientific study of the natural processes of living things: 2. the scientific study of the…. gy (bī-ŏl′ə-jē) n. 1. Latest News; Editors’ Picks; Weekly Digest; Fun. Cell; Biochemistry; Human; Genetics; Zoology; Botany; Ecology; Anatomy & Physiology; Molecular; Microbiology; Neuroscience; Articles; Animal Kingdom ; Tutorials. One of the many things that has been pissing off about 90% of all students for decades. Organisms are adapted to their environments in a variety of ways, such as in their structure, physiology, and genetics. In biology, viruses are microscopic entities that are able to replicate inside the cell of its host. Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation). Bio definition is - a biography or biographical sketch. How to use biological in a sentence. 2. the natural ability of a normal organism to remain unaffected by noxious agents in its environment; see also immunity. Quotes about Biology; Complete List of Biology Terms. The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution and encompassing numerous fields such as botany, zoology, mycology, and microbiology. Competition stems from the fact that resources are limited. All Free. For details on the anatomy and physiology for specific 3. Look it up now! 4. 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