Table of Contents
What are some density-dependent factors?
Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.
Why are density-dependent factors?
Typically, density dependent factors are biological factors used by the population as a resource. These can be things like food, shelter, or other limited resources. Density dependent factors cause variable changes in the population as its density changes.
What is density-dependent example?
Density dependent factors typically involve biotic factors, such as the availability of food, parasitism, predation, disease, and migration. As the population increases, food become scarce, infectious diseases can spread easily, and many of its members emigrate.
What does density-dependent?
Definition. (population ecology) An effect in which the intensity changes with the increasing population density, e.g. the effects in which the intensity increases with the increasing population density.
Which is a density-dependent factor quizlet?
Density-dependent factors: competition, predation, parasitism, and disease. Density-independent factors: natural disasters, seasonal cycles, unusual weather, and human activity.
Which is a density independent factor?
Density independent factors, in ecology, refer to any influences on a population’s birth or death rates, regardless of the population density. Density independent factors are typically a physical factor of the environment, unrelated to the size of the population in question.
Which is a density independent factor quizlet?
Density-independent factors: natural disasters, seasonal cycles, unusual weather, and human activity.
What is a density-dependent factor quizlet?
Density Dependant Factors: a limiting factor of a population wherein large, large dense populations are more affected than small, less crowded ones ex. predation, competition, food supply.
Which factors are density-dependent factors quizlet?
Density-dependent factors: competition, predation, parasitism, and disease.
What are some examples of density independent factors?
Examples of Density-Independent Factors. Most density-independent factors are abiotic, or nonliving.Some commonly used examples include temperature, floods, and pollution.
What factors can affect density?
The Liquid Volume. There are many different instruments you can use to measure liquid volume such as kitchen measuring cups,beakers,graduated cylinders and volumetric pipettes.…
What are the examples sentence of density independent factors?
Probably density-independent factors are more important at the edge of the range of a species .
What caused modification of density independent factors?
Density-independent regulation can be affected by factors that affect birth and death rates such as abiotic factors and environmental factors, i.e. severe weather and conditions such as fire. New models of life history incorporate ecological concepts that are typically included in r- and K-selection theory in combination with population age