What is population dispersion in biology?
The spatial distribution at any particular moment of the individuals of a species (typically plant or animal). Under natural conditions, organisms are distributed either by active movements, or migrations, or by passive transport by wind, water, or other organisms.
What are examples of population dispersion?
Uniform dispersion. In uniform dispersion, individuals of a population are spaced more or less evenly. One example of uniform dispersion comes from plants that secrete toxins to inhibit growth of nearby individuals—a phenomenon called allelopathy.
What is population dispersion quizlet?
Dispersion. – A property of populations, pattern of spacing of individuals within the area the population inhabits. Patterns include clumped, uniform, and random.
What is dispersal in population ecology?
Dispersal is an ecological process that involves the movement of an individual or multiple individuals away from the population in which they were born to another location, or population, where they will settle and reproduce. The two most common forms of dispersal are: natal or dispersal.
What is population density in biology?
Population density is the concentration of individuals within a species in a specific geographic locale. Population density data can be used to quantify demographic information and to assess relationships with ecosystems, human health, and infrastructure.
What is population dispersal and population distribution?
Dispersion or distribution patterns show the spatial relationship between members of a population within a habitat. Individuals of a population can be distributed in one of three basic patterns: uniform, random, or clumped.
What causes population dispersion?
Uniform patterns of dispersion are generally a result of interactions between individuals like competition and territoriality. Clumped patterns usually occur when resources are concentrated in small areas within a larger habitat or because of individuals forming social groups.
What is population dispersion mastering biology?
Dispersion. pattern of spacing among individuals within a certain area.
What is population dispersion describe the possible dispersion patterns for a population quizlet?
The manner in which individuals in a population are spaced within their area. Three types of dispersion patterns are clumped (individuals are aggregated in patches), uniform (individuals are evenly distributed), and random (unpredictable distribution).
What is dispersal short answer?
Seed dispersal is the movement, spread or transport of seeds away from the parent plant. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus. Dispersal involves the letting go or detachment of a diaspore from the main parent plant.
What do you mean by dispersal mechanism?
dispersal mechanism The characteristic adaptation for dispersal which forms part of the reproductive strategy of many slow-moving or sessile organisms. It is most characteristic of the dispersal of spores, seeds, and fruit from plants, but is also found in other organisms, especially for the dispersal of larvae.
What are the three types of population dispersion?
Population Dispersion: -There are three types of population dispersion: – Clumped Dispersion : Individuals are grouped more closely to each other than if they are randomly dispersed. – Random Dispersion : Organisms are distributed independently of each other. – Uniform Dispersion : Individuals are more widely spaced-out than if randomly dispersed.
What is the difference between dispersion and diffusion?
As nouns the difference between dispersion and diffusion. is that dispersion is the state of being dispersed; dispersedness while diffusion is the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
What is the difference between population density and population distribution?
The difference between population density and distribution and density is that density is about the amount of people in a certain space but population distribution is how spread out the population is.
What is the difference between population and community biology?
• A population is composed of a single species while a community has more than one population. • The number of individuals is higher in a community than in a population of the same ecosystem. • Individuals in a population can breed to produce fertile offspring but not all the individuals in a community.