Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Download
Faster access than browser!
 

R/K selection theory

Index R/K selection theory

In ecology, r/K selection theory relates to the selection of combinations of traits in an organism that trade off between quantity and quality of offspring. [1]

77 relations: Adaptive capacity, African bee, Algebra, Allometry, Arctic tern, Aurelio José Figueredo, Bacteria, Bacteriophage, Biodiversity, Biological dispersal, C. S. Holling, Carrying capacity, Cephalopod, Climax community, Competition (biology), Crime, Derivative, Diatom, Differential K theory, Drosophila mercatorum, E. O. Wilson, Ecological niche, Ecological resilience, Ecological succession, Ecology, Ecosystem, Elephant, Endemism, Evolution, Evolutionary ecology, Evolutionary game theory, Fauna, Fecundity, Flora, German language, Heuristic, Human, Hypothesis, Inflammation, Insect, Insular biogeography, Intelligence quotient, Intermediate disturbance hypothesis, Italian bee, J. Philippe Rushton, Krakatoa, Landscape, Lee Ellis, Life expectancy, Life history theory, ..., Local extinction, Mammal, Mount St. Helens, Natural selection, Offspring, Parental investment, Phenotypic trait, Plant strategies, Poaceae, Population, Population dynamics, Population growth, Promiscuity, Reproduction, Reptile, Robert H. MacArthur, Rodent, Ruderal species, Scientific literature, Sea turtle, Semelparity and iteroparity, Stephen C. Stearns, Taraxacum, The Theory of Island Biogeography, Trivers–Willard hypothesis, Volcanism, Whale. Expand index (27 more) »

Adaptive capacity

Adaptive capacity is the capacity of a system to adapt if the environment where the system exists is changing.

New!!: R/K selection theory and Adaptive capacity · See more »

African bee

The African honey bee (Apis mellifera scutellata) is a subspecies of the Western honey bee.

New!!: R/K selection theory and African bee · See more »

Algebra

Algebra (from Arabic "al-jabr", literally meaning "reunion of broken parts") is one of the broad parts of mathematics, together with number theory, geometry and analysis.

New!!: R/K selection theory and Algebra · See more »

Allometry

Allometry is the study of the relationship of body size to shape, anatomy, physiology and finally behaviour, first outlined by Otto Snell in 1892, by D'Arcy Thompson in 1917 in On Growth and Form and by Julian Huxley in 1932.

New!!: R/K selection theory and Allometry · See more »

Arctic tern

The Arctic tern (Sterna paradisaea) is a tern in the family Laridae.

New!!: R/K selection theory and Arctic tern · See more »

Aurelio José Figueredo

Aurelio José Figueredo is an American evolutionary psychologist and professor of psychology at the University of Arizona, where he is also the director of the Ethology and Evolutionary Psychology Laboratory.

New!!: R/K selection theory and Aurelio José Figueredo · See more »

Bacteria

Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

New!!: R/K selection theory and Bacteria · See more »

Bacteriophage

A bacteriophage, also known informally as a phage, is a virus that infects and replicates within Bacteria and Archaea.

New!!: R/K selection theory and Bacteriophage · See more »

Biodiversity

Biodiversity, a portmanteau of biological (life) and diversity, generally refers to the variety and variability of life on Earth.

New!!: R/K selection theory and Biodiversity · See more »

Biological dispersal

Biological dispersal refers to both the movement of individuals (animals, plants, fungi, bacteria, etc.) from their birth site to their breeding site ('natal dispersal'), as well as the movement from one breeding site to another ('breeding dispersal').

New!!: R/K selection theory and Biological dispersal · See more »

C. S. Holling

Crawford Stanley (Buzz) Holling, (born December 6, 1930) is a Canadian ecologist, and Emeritus Eminent Scholar and Professor in Ecological Sciences at the University of Florida.

New!!: R/K selection theory and C. S. Holling · See more »

Carrying capacity

The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.

New!!: R/K selection theory and Carrying capacity · See more »

Cephalopod

A cephalopod is any member of the molluscan class Cephalopoda (Greek plural κεφαλόποδα, kephalópoda; "head-feet") such as a squid, octopus or nautilus.

New!!: R/K selection theory and Cephalopod · See more »

Climax community

In ecology, climax community, or climatic climax community, is a historic term for a biological community of plants, animals, and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state.

New!!: R/K selection theory and Climax community · See more »

Competition (biology)

Competition is an interaction between organisms or species in which both the organisms or species are harmed.

New!!: R/K selection theory and Competition (biology) · See more »

Crime

In ordinary language, a crime is an unlawful act punishable by a state or other authority.

New!!: R/K selection theory and Crime · See more »

Derivative

The derivative of a function of a real variable measures the sensitivity to change of the function value (output value) with respect to a change in its argument (input value).

New!!: R/K selection theory and Derivative · See more »

Diatom

Diatoms (diá-tom-os "cut in half", from diá, "through" or "apart"; and the root of tém-n-ō, "I cut".) are a major group of microorganisms found in the oceans, waterways and soils of the world.

New!!: R/K selection theory and Diatom · See more »

Differential K theory

In psychology and criminology, Differential K theory is a controversial theory, first proposed by Canadian psychologist J. Philippe Rushton in 1985, which attempts to apply ''r''/''K'' selection theory to human races.

New!!: R/K selection theory and Differential K theory · See more »

Drosophila mercatorum

Drosophila mercatorum is a species of fruit fly in the genus Drosophila, repleta subgroup, described by Patterson and Wheeler in 1942.

New!!: R/K selection theory and Drosophila mercatorum · See more »

E. O. Wilson

Edward Osborne Wilson (born June 10, 1929), usually cited as E. O. Wilson, is an American biologist, researcher, theorist, naturalist and author.

New!!: R/K selection theory and E. O. Wilson · See more »

Ecological niche

In ecology, a niche (CanE, or) is the fit of a species living under specific environmental conditions.

New!!: R/K selection theory and Ecological niche · See more »

Ecological resilience

In ecology, resilience is the capacity of an ecosystem to respond to a perturbation or disturbance by resisting damage and recovering quickly.

New!!: R/K selection theory and Ecological resilience · See more »

Ecological succession

Ecological succession is the process of change in the species structure of an ecological community over time.

New!!: R/K selection theory and Ecological succession · See more »

Ecology

Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.

New!!: R/K selection theory and Ecology · See more »

Ecosystem

An ecosystem is a community made up of living organisms and nonliving components such as air, water, and mineral soil.

New!!: R/K selection theory and Ecosystem · See more »

Elephant

Elephants are large mammals of the family Elephantidae and the order Proboscidea.

New!!: R/K selection theory and Elephant · See more »

Endemism

Endemism is the ecological state of a species being unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere.

New!!: R/K selection theory and Endemism · See more »

Evolution

Evolution is change in the heritable characteristics of biological populations over successive generations.

New!!: R/K selection theory and Evolution · See more »

Evolutionary ecology

Evolutionary ecology lies at the intersection of ecology and evolutionary biology.

New!!: R/K selection theory and Evolutionary ecology · See more »

Evolutionary game theory

Evolutionary game theory (EGT) is the application of game theory to evolving populations in biology.

New!!: R/K selection theory and Evolutionary game theory · See more »

Fauna

Fauna is all of the animal life of any particular region or time.

New!!: R/K selection theory and Fauna · See more »

Fecundity

In human demography and population biology, fecundity is the potential for reproduction of an organism or population, measured by the number of gametes (eggs), seed set, or asexual propagules.

New!!: R/K selection theory and Fecundity · See more »

Flora

Flora is the plant life occurring in a particular region or time, generally the naturally occurring or indigenous—native plant life.

New!!: R/K selection theory and Flora · See more »

German language

German (Deutsch) is a West Germanic language that is mainly spoken in Central Europe.

New!!: R/K selection theory and German language · See more »

Heuristic

A heuristic technique (εὑρίσκω, "find" or "discover"), often called simply a heuristic, is any approach to problem solving, learning, or discovery that employs a practical method, not guaranteed to be optimal, perfect, logical, or rational, but instead sufficient for reaching an immediate goal.

New!!: R/K selection theory and Heuristic · See more »

Human

Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.

New!!: R/K selection theory and Human · See more »

Hypothesis

A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon.

New!!: R/K selection theory and Hypothesis · See more »

Inflammation

Inflammation (from inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators.

New!!: R/K selection theory and Inflammation · See more »

Insect

Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

New!!: R/K selection theory and Insect · See more »

Insular biogeography

Insular biogeography or island biogeography is a field within biogeography that examines the factors that affect the species richness of isolated natural communities.

New!!: R/K selection theory and Insular biogeography · See more »

Intelligence quotient

An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess human intelligence.

New!!: R/K selection theory and Intelligence quotient · See more »

Intermediate disturbance hypothesis

The intermediate disturbance hypothesis (IDH) suggests that local species diversity is maximized when ecological disturbance is neither too rare nor too frequent.

New!!: R/K selection theory and Intermediate disturbance hypothesis · See more »

Italian bee

Apis mellifera ligustica is the Italian bee which is a subspecies of the western honey bee (Apis mellifera).

New!!: R/K selection theory and Italian bee · See more »

J. Philippe Rushton

John Philippe Rushton (December 3, 1943 – October 2, 2012) was a Canadian psychologist and author.

New!!: R/K selection theory and J. Philippe Rushton · See more »

Krakatoa

Krakatoa, or Krakatau (Krakatau), is a volcanic island situated in the Sunda Strait between the islands of Java and Sumatra in the Indonesian province of Lampung.

New!!: R/K selection theory and Krakatoa · See more »

Landscape

A landscape is the visible features of an area of land, its landforms and how they integrate with natural or man-made features.

New!!: R/K selection theory and Landscape · See more »

Lee Ellis

Altis Lee Ellis (born March 1, 1942) is an American sociologist who was a professor of sociology at Minot State University from 1976 to 2007.

New!!: R/K selection theory and Lee Ellis · See more »

Life expectancy

Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age and other demographic factors including gender.

New!!: R/K selection theory and Life expectancy · See more »

Life history theory

Life history theory is an analytical frameworkVitzthum, V. (2008).

New!!: R/K selection theory and Life history theory · See more »

Local extinction

Local extinction or extirpation is the condition of a species (or other taxon) that ceases to exist in the chosen geographic area of study, though it still exists elsewhere.

New!!: R/K selection theory and Local extinction · See more »

Mammal

Mammals are the vertebrates within the class Mammalia (from Latin mamma "breast"), a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands.

New!!: R/K selection theory and Mammal · See more »

Mount St. Helens

Mount St.

New!!: R/K selection theory and Mount St. Helens · See more »

Natural selection

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype.

New!!: R/K selection theory and Natural selection · See more »

Offspring

In biology, offspring are the young born of living organisms, produced either by a single organism or, in the case of sexual reproduction, two organisms.

New!!: R/K selection theory and Offspring · See more »

Parental investment

Parental investment (PI), in evolutionary biology and evolutionary psychology, is any parental expenditure (time, energy, etc.) that benefits one offspring at a cost to parents' ability to invest in other components of fitness,Clutton-Brock, T.H. 1991.

New!!: R/K selection theory and Parental investment · See more »

Phenotypic trait

A phenotypic trait, or simply trait, is a distinct variant of a phenotypic characteristic of an organism; it may be either inherited or determined environmentally, but typically occurs as a combination of the two.

New!!: R/K selection theory and Phenotypic trait · See more »

Plant strategies

Plant strategies include mechanisms and responses plants use to reproduce, defend, survive, and compete on the landscape.

New!!: R/K selection theory and Plant strategies · See more »

Poaceae

Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses, commonly referred to collectively as grass.

New!!: R/K selection theory and Poaceae · See more »

Population

In biology, a population is all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

New!!: R/K selection theory and Population · See more »

Population dynamics

Population dynamics is the branch of life sciences that studies the size and age composition of populations as dynamical systems, and the biological and environmental processes driving them (such as birth and death rates, and by immigration and emigration).

New!!: R/K selection theory and Population dynamics · See more »

Population growth

In biology or human geography, population growth is the increase in the number of individuals in a population.

New!!: R/K selection theory and Population growth · See more »

Promiscuity

Promiscuity is the practice of having casual sex frequently with different partners or being indiscriminate in the choice of sexual partners.

New!!: R/K selection theory and Promiscuity · See more »

Reproduction

Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parents".

New!!: R/K selection theory and Reproduction · See more »

Reptile

Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

New!!: R/K selection theory and Reptile · See more »

Robert H. MacArthur

Robert Helmer MacArthur (April 7, 1930 – November 1, 1972) was a Canadian-born American ecologist who made a major impact on many areas of community and population ecology.

New!!: R/K selection theory and Robert H. MacArthur · See more »

Rodent

Rodents (from Latin rodere, "to gnaw") are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws.

New!!: R/K selection theory and Rodent · See more »

Ruderal species

A ruderal species is a plant species that is first to colonize disturbed lands.

New!!: R/K selection theory and Ruderal species · See more »

Scientific literature

Scientific literature comprises scholarly publications that report original empirical and theoretical work in the natural and social sciences, and within an academic field, often abbreviated as the literature.

New!!: R/K selection theory and Scientific literature · See more »

Sea turtle

Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines.

New!!: R/K selection theory and Sea turtle · See more »

Semelparity and iteroparity

Semelparity and iteroparity are two classes of possible reproductive strategies available to living organisms.

New!!: R/K selection theory and Semelparity and iteroparity · See more »

Stephen C. Stearns

Stephen C. Stearns (born December 12, 1946, in Kapaau, Hawaii and raised in Hawi, Hawaii), an American biologist, is the Edward P. Bass Professor of Ecology and Evolutionary Biology at Yale University.

New!!: R/K selection theory and Stephen C. Stearns · See more »

Taraxacum

Taraxacum is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions.

New!!: R/K selection theory and Taraxacum · See more »

The Theory of Island Biogeography

The Theory of Island Biogeography is a 1967 book by Robert MacArthur and Edward O. Wilson.

New!!: R/K selection theory and The Theory of Island Biogeography · See more »

Trivers–Willard hypothesis

In evolutionary biology and evolutionary psychology, the Trivers–Willard hypothesis, formally proposed by Robert Trivers and Dan Willard, suggests that female mammals are able to adjust offspring sex ratio in response to their maternal condition.

New!!: R/K selection theory and Trivers–Willard hypothesis · See more »

Volcanism

Volcanism is the phenomenon of eruption of molten rock (magma) onto the surface of the Earth or a solid-surface planet or moon, where lava, pyroclastics and volcanic gases erupt through a break in the surface called a vent.

New!!: R/K selection theory and Volcanism · See more »

Whale

Whales are a widely distributed and diverse group of fully aquatic placental marine mammals.

New!!: R/K selection theory and Whale · See more »

Redirects here:

K and r selection, K selected, K selected species, K selection, K strategist, K strategy, K-select, K-selected, K-selected species, K-selection, K-selector, K-species, K-strategist, K-strategists, K-strategy, R and K selection, R selected species, R selection, R strategy, R-K Life History Theory, R-K scale, R-K selection, R-select, R-selected, R-selected species, R-selection, R-selector, R-species, R-strategist, R-strategists, R-strategy, R/K, R/K selection, R/K strategy, R/K theory, R/k selection, Rk selection.

References

[1] https://en.wikipedia.org/wiki/R/K_selection_theory

OutgoingIncoming
Hey! We are on Facebook now! »