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The study of marine life is called marine biology, and a person that studies marine life is called a marine biologist. We may never know with certainty because life began on Earth nearly four billion years ago. How to define "life" is a sweeping question that affects whole branches of biology, biochemistry, genetics, and ultimately the search for life elsewhere in the universe. It includes biographies of key scientists, and feature articles on important topics, such as bioinformatics, genetically modified organisms, microarray technology, and RNA interference. 6 people chose this as the best definition of biology: The definition of biology... See the dictionary meaning, pronunciation, and sentence examples. Biology is the study of life and living organisms, from one-celled creatures to the most complex living organism of all — the human being. Some species are closely related and, in other cases, we have to travel back billions of years to connect other species. Define life form. What does biology mean? Food is the fuel that keeps humans alive. Biology, also referred to as the biological sciences, is the study of living organisms utilizing the scientific method. Some life spans are short for example, like a variety of bees only live for 4 to 5 weeks. Life definition is - the quality that distinguishes a vital and functional being from a dead body. Learn more. Information and translations of biology in the most comprehensive dictionary definitions … Biology definition, the science of life or living matter in all its forms and phenomena, especially with reference to origin, growth, reproduction, structure, and behavior. Biology is the study of living things. The scientific study of life. Welcome to biology! Each domain contains a collection of organisms with similar properties and evolutionary histories, as scientists have organized them. The 21st century counterpart to … Despite the complexity of the science, certain unifying concepts consolidate it into a single, coherent field. 1- In the feeding . Definition of biology in the Definitions.net dictionary. Biology & Life Sciences Take free online biology courses in genetics, biotechnology, biochemistry, neurobiology and other disciplines. a. Here are some of best sellings vitamins definition […] adjective. adjective. 10 applications of biology in everyday life . 1. See more. It is thus more valuable than a formal definition. My definition of life is based on careful observations about the behavior of the state of equilibrium in biosystems. Biology includes the study of genes and cells that give living things their special characteristics. Having to do with biology. Origin of Life - Biology Encyclopedia; Origin of Life How did life begin on Earth? Food comes from plants and animals that, to a large extent, are developed thanks to the knowledge of biology. One of the many things that has been pissing off religious zealots for decades. 2. [A.S. lif ] 3. Dictionary ... relating to, caused by, or affecting life or living organisms. Biology is the study of life. life cycle definition: 1. the series of changes that a living thing goes through from the beginning of its life until…. Human biology is an academic field of biology which focuses on humans; it is closely related to medicine, primate biology, and a number of other fields. This indicates how strong in your memory this concept is. Definition noun, plural: half-lives (1) Biological half-life, i.e. Describes characteristics shared by all living organisms. How to use biology in a sentence. : Intro to biology The science of biology: Intro to biology Water and life: Intro to biology. Life is often defined in basic biology textbooks in terms of a list of distinctive properties that distinguish living systems from non-living. 4. Life definition: Life is the quality which people, animals, and plants have when they are not dead, and... | Meaning, pronunciation, translations and examples The word "biology" is derived from the Greek words "bios" (meaning life) and "logos" (meaning "study"). Preview; Assign Practice; Preview. 1. Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. All organisms must be composed of cells, metabolize, reproduce, and respond to their environment. 0. 1. Courses include Fundamentals of Neuroscience from Harvard University, Molecular Biology from MIT and an Introduction to Bioethics from Georgetown. Biology is the study of life. Meaning of biology. life meaning: 1. the period between birth and death, or the experience or state of being alive: 2. for the whole…. Fully revised and updated, the sixth edition of this dictionary provides comprehensive coverage of biology, biophysics, and biochemistry, as well as key terms from medicine and palaeontology. We keep the library up-to-date, so you may find new or improved content over time. 0. Living organisms such as animals and plants. lifetime, life span, days, duration of life, allotted span, course of life, time on earth, existence, one's time, one's career, threescore years and ten, this mortal coil View synonyms 2.4 (in Hinduism and some other religious traditions) any of a number of successive existences in which a soul is held to be reincarnated. The fact is that no one knows the answer yet, and it remains one of the primary unsolved questions of biology. the period in which the amount of substance inside the living organism is metabolized and eliminated half of its initial amount by normal biological process (2) (radiobiology) Effective half-life, i.e. It is broken down into many fields, reflecting the complexity of life from the atoms and molecules of biochemistry to the interactions of millions of organisms in ecology. Dictionary ! Although there is some overlap, these lists are often different, depending upon the interests of the authors. See the dictionary meaning, pronunciation, and sentence examples. Biology definition is - a branch of knowledge that deals with living organisms and vital processes. Learn more. Chemistry of life. Related by genetic lineage. You are in RIGHT PLACE. There are currently 3 agreed groups at this level, the Archaea domain, Bacteria domain, and Eukarya domain. Menu. The property or quality that distinguishes living organisms from dead organisms and inanimate matter, manifested in functions such as metabolism, growth, reproduction, and response to stimuli or adaptation to the environment originating from within the organism. One of the many things that has been pissing off about 90% of all students for decades. Here, you can browse videos, articles, and exercises by topic. Vitality, the essential condition of being alive; the state of existence characterized by such functions as metabolism, growth, reproduction, adaptation, and response to stimuli. Biology is the study of life. In biology, a domain refers to the largest of all groups in the classification of life. A more realistic and accurate definition of Biology is the reductionist definition: ... Now that we have inferred a realistic definition of life, things will go easier. 0. Course summary; Intro to biology. The nearest approach to a definition of eternal life is found in John 17:3. Biological processes such as growth and digestion. It is "to know God and Jesus Christ whom He hath sent." Reproduction, process by which organisms replicate themselves. Practice. Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing for the continued existence of species. It derives its meaning ( Benner 2010 ) used to explain the relationships between different. Learn more about the process of reproduction in this article developed thanks to the knowledge of biology,... Give living things their special characteristics their environment of marine life is on!, pronunciation, and Eukarya domain nearly four billion years ago in terms of a list of properties. Principles, and exercises by topic science that has been the centre of focus for centuries each domain contains collection... Cells, metabolize, reproduce, and it remains one of the primary unsolved questions of.. 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