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18 relations: Abiotic component, Autotroph, Biotic stress, Consumer, Decomposer, Detritivore, Ecology, Ecosystem, Ecosystem engineer, Food chain, Heterotroph, Mutualism (biology), Organism, Outbreak, Pathogen, Population size, Predation, Predator (disambiguation).
Abiotic component
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
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Autotroph
An autotroph ("self-feeding", from the Greek autos "self" and trophe "nourishing") or producer, is an organism that produces complex organic compounds (such as carbohydrates, fats, and proteins) from simple substances present in its surroundings, generally using energy from light (photosynthesis) or inorganic chemical reactions (chemosynthesis).
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Biotic stress
Biotic stress is stress that occurs as a result of damage done to an organism by other living organisms, such as bacteria, viruses, fungi, parasites, beneficial and harmful insects, weeds, and cultivated or native plants.
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Consumer
A consumer is a person or organization that use economic services or commodities.
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Decomposer
Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.
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Detritivore
Detritivores, also known as detrivores, detritophages, detritus feeders, or detritus eaters, are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as feces).
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Ecology
Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.
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Ecosystem
An ecosystem is a community made up of living organisms and nonliving components such as air, water, and mineral soil.
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Ecosystem engineer
An ecosystem engineer is any organism that creates, significantly modifies, maintains or destroys a habitat.
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Food chain
A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the Sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detritivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria).
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Heterotroph
A heterotroph (Ancient Greek ἕτερος héteros.
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Mutualism (biology)
Mutualism or interspecific cooperation is the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other.
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Organism
In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that exhibits the properties of life.
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Outbreak
In epidemiology, an outbreak is a sudden increase in occurrences of a disease in a particular time and place.
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Pathogen
In biology, a pathogen (πάθος pathos "suffering, passion" and -γενής -genēs "producer of") or a '''germ''' in the oldest and broadest sense is anything that can produce disease; the term came into use in the 1880s.
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Population size
In population genetics and population ecology, population size (usually denoted N) is the number of individual organisms in a population.
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Predation
Predation is a biological interaction where a predator (a hunting animal) kills and eats its prey (the organism that is attacked).
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Predator (disambiguation)
A predator is an organism that feeds on another organism.
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