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How an ecologist determines which species dominate an ecosystem?

because of bieber fever..:)-Justin Bieber..#swag


Ecosystem boundaries are usually defined by easily identifiable demarcations?

Ecosystem boundaries are often defined by physical features such as rivers, mountains, or coastlines. These features can act as barriers that limit the movement of species and resources in and out of the ecosystem. Additionally, human activities can also influence and alter ecosystem boundaries.


Role of ecological dominance in an ecosystem?

If a species is ecologically dominant, it dominates the biomass of the ecosystem (think big dipterocarp trees dominating a rainforest). These organisms influence the ecosystem due to their huge size or enormous number. Other organisms rely on these species and removing them often has a domino effect of local extinctions.


What would happen if a species disppeared from an ecosystem?

If species disappeared from an ecosystem the balance in the ecosystem will be altered.


Are there dominant species in a diverse ecosystem?

In a diverse ecosystem, there may be certain species that are more abundant or have a greater impact on the ecosystem than others. These species are often called dominant species. Dominant species can influence the structure and function of the ecosystem by outcompeting other species for resources or by providing key ecosystem services.


What is a complete sentence for ecosystem?

An Ecosystem is an environment or a culture within which the conditions or resources necessary for sustaining a number of organisms or species exist, which in turn, constitute and sustain the ecosystem in and of itsself.


What do you call the a species that has a huge impact on an ecosystem even if the species is not very abundant?

keystone species is a species that has an unusually large impact on its ecosystem.


What will most likely occur if two different plant species compete for the same requirements in an ecosystem?

If two plant species compete for the same requirements in an ecosystem, one species may outcompete the other and dominate the niche. This can lead to a decrease in population or even local extinction of the less competitive species. Over time, competition can result in the evolution of mechanisms to reduce competition, such as partitioning of resources or adaptation to different niches.


What is the name for a species that influences on the survival of many other species in your ecosystem?

The term is biodiversity. High biodiversity means a large number of different species in an ecosystem. An ecosystem with many different species is less likely to be disrupted by environmental changes.


What happens to the ecosystem when a predator species is extint?

Typically, the species that it ate overpopulate, and the ecosystem is disrupted.


What are species that migrate or are accidentally introduced into an ecosystem called?

Species that migrate are called migratory species, while species that are accidentally introduced into an ecosystem are called invasive species.


How is biodiversity of an ecosystem measured?

by the number of species it contains