what is the seven characteristics of living organisms?
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All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
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Living things need food to grow, they move, respire, reproduce, excrete wastes from the body, respond to stimuli in the environment and have a definite life span. Water, sun, moon and stars do not show any of the above characteristics of living things. Hence, they are non-living things.
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One popular definition is that organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle, undergo metabolism, can grow, adapt to their environment, respond to stimuli, reproduce and evolve.
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['Animals are multicellular eukaryotes that lack cell walls.', 'All animals are heterotrophs.', 'Animals have sensory organs, the ability to move, and internal digestion. They also have sexual reproduction.']
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Properties of Life. All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.
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Some examples of non-living things include rocks, water, weather, climate, and natural events such as rockfalls or earthquakes. Living things are defined by a set of characteristics including the ability to reproduce, grow, move, breathe, adapt or respond to their environment.
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All living things are made of cells, use energy, respond to stimuli, grow and reproduce, and maintain homeostasis. All living things consist of one or more cells. Cells are the basic units of structure and function of living organisms.
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['They are multicellular organisms which do not possess chlorophyll.', 'They are eukaryotic organisms.', 'Cell wall is absent.', 'Mode of nutrition is heterotrophic i.e. they depend on other organisms for food.']
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Characteristics of Multicellular Organisms Multicellular organisms are made of more than one cell and are complex organisms. They are visible to the naked eye. They possess distinct organs and organ systems. They are eukaryotes, i.e., they contain membrane-bound structures. Their cells exhibit division of labour.
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['They are generally marine aquatic organisms, with a few freshwater species.', 'Their bodies are asymmetrical.', 'Body shape can be cylindrical, vase-like, rounded or sac-like.', 'They are diploblastic animals with two layers, the outer dermal layer and the inner gastral layer.']
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Scientists designate that all characteristics of living organisms must be present for an organism to be considered alive. Since viruses only contain 4 properties, they are not considered alive.
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['#1. Cells are the basic unit of life.', '#2. Cells have hereditary data that is passed down to their offspring.', '#3. All cells come from preexisting cells.', '#4. All organisms, both unicellular and multicellular, are made of one or more cells.', '#5. Energy flows through cells.', '#6. All cells have a similar composition.']
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['Radially Symmetrical.', 'Body multicellular, few tissues, some organelles.', 'Body contains an internal cavity and a mouth.', 'Two different forms exist, medusa and polyp.', 'Reproduction is asexual or sexual.', 'Has a simple net like nervous system.', 'Has a distinct larval stage which is planktonic.']
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Viruses are infectious agents with both living and nonliving characteristics. 2. Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate. 3.
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According to the seven characteristics of life, all living beings must be able to respond to stimuli; grow over time; produce offspring; maintain a stable body temperature; metabolize energy; consist of one or more cells; and adapt to their environment. However, some life-forms don't fit every single characteristic.
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Those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. Some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive.
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['whether they are made of prokaryotic or eukaryotic cells.', 'whether the cells are living singly or organised into multicellular and thus complex organisms.']