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Yes, for example: Say someone brought a type of fish (cod maybe) to Alaska that does not naturally live there. Then the cod spreads to salmon spawning grounds. So you have large hungry cod against baby salmon, who wins? The cod right. So the cod eats eventually all the baby salmon. This is not the best example but in a long while the salmon numbers will go down

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Then with not enough to reproduce you have no more salmon. Still don't get it? Look below

Hungry big cod+ little baby samon= less to reproduce= less babies which are eaten

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When two species use the same resource one species may drive the other to extinction?

This is a phenomenon known as competitive exclusion, where one species outcompetes the other for resources such as food or habitat. It can lead to niche differentiation, where the competing species evolve to occupy different niches to coexist. This competition can be a strong driver of natural selection.


Why is the dinosaur extinction significant?

The dinosaur extinction is significant because it led to the demise of the dominant species on Earth at the time, paving the way for mammalian evolution and eventually the rise of humans. It also provides important insights into how environmental changes can impact ecosystems and drive mass extinctions.


Is it true Climate changes have been linked to almost all mass extinctions of life on Earth?

Yes, there is scientific evidence linking climate changes to many mass extinction events in Earth's history. Shifts in climate, such as ice ages or warming periods, can disrupt ecosystems, drive changes in species distribution, and lead to extinction events. The most well-known example is the Permian-Triassic extinction, which was likely triggered by volcanic activity causing a massive release of greenhouse gases.


What is an example of competitive exclusion principle?

Example: Squirrels in BritainThe Red Squirrel (Sciurus vulgaris) is native to Britain but its population has declined due to competitive exclusion, disease and the disappearance of hazel coppices and mature conifer forests in lowland Britain.The Grey Squirrel (Sciurus carolinensis) was introduced to Britain in about 30 sites between 1876 and 1929. It has easily adapted to parks and gardens replacing the red squirrel.Today's distribution is shown below.The Grey SquirrelThe Red Squirrel


What is the reason that no two similar species an occupy the same niche?

The short answer is that one is always going to be slightly better at that exact niche than the other, and so will drive the competitor to local extinction. In reality, two species in nearly the same niche will often co-occur, but there will be more resources in a very similar niche that will allow for one species to exploit those other resources. Evolution can happen very quickly in these high competition areas (in a matter of a few years, it has been directly measured).

Related Questions

How does non-native and invasive species impact population size?

Non-native and invasive species can impact population size by outcompeting native species for resources, preying on native species, disrupting ecosystem dynamics, and spreading diseases. They can lead to declines in native populations by altering habitats and food availability. In some cases, invasive species can even drive native species to extinction.


What is an introduced species and how can such species affect native plants and animals?

Introduced species can either have a: positive effect, negative effect, or no effect at all. In most cases, introduced species will have no effect at all, and rarely a positive effect unless introduced for that exact reason. Ecologists usually use the "Tens Rule", which states that (on average) one out of every ten introduced species will become established; one out of every ten of those established species will become common enough to be pests. Following this rule, 90% of all introduced species will not become established in a new location for whatever reason. However, some species have a potential range that far exceeds their actual realized territory and thrive when translocated. For those that do become an invasive species, the effect on the native or indigenous species can be devastating. On almost all continents, there are invasive species that flourish in their new environment and drive competition to the max. Resources can be quickly used up and the competitive exclusion principle kicks in (two different species occupying the same geographical area cannot have the same ecological niche; one must evolve into a slightly different niche or face extinction). These invasive species are a great threat to biodiversity because they have the ability to wipe out entire species that are not prepared to cope with a new and abundant competitor. As mentioned earlier, introduced species can have a positive impact on the community. Usually these are introduced to an ecosystem in order to control another invasive species using the dynamics of trophic cascade (one trophic level suppresses another, the next level thrives, the next level is suppressed, etc). However, efforts to manipulate ecological problems hardly ever come to fruition, as 20 problems can arise from just one solution.


How does extinction drive evolution?

A mass extinction event creates a large gap in the biodiversity of an ecosystem or multiple ecosystems, which results in a rapid period of evolution of a range of different species that weren't particularly specialised to fill that niche.


What is often the result of direct competition in nature?

Direct competition in nature often leads to the survival of the fittest, where only the strongest individuals or species are able to thrive and reproduce. This competition can drive evolutionary adaptations that help organisms better compete for limited resources such as food, mates, or territory. Ultimately, it can lead to the extinction of less competitive species.


Why do organisms go for extinction?

1) because of the people destroy their homes. 2) because of the people who kills them. 3) because of the other carniverous animal eat the other animal for them to have food in order to survive


How does taking animals for profit affect extinction?

Taking animals for profit can lead to overexploitation and depletion of wild populations, pushing species closer to extinction. It disrupts ecosystems by removing key components, impacting food chains and biodiversity. Additionally, illegal wildlife trade for profit can drive species towards extinction more rapidly due to high demand and unsustainable harvesting practices.


Why have some endangered aquatic species already become extinct?

Because of our pollution, and how we hunt them as well of lack of food source because of again us , as well their predators may have grown in population again helping drive the species to extinction. and with our growing population only more and more animals as well as aquatic animals will be driven to extinction


Why is an introduced species bad for the community?

the cane toad for example,was introduced into Australia from Brazil to protect suguar cane from insects.however they had no natural preadators.their poison has killed many animals including household pets and small children who put them in their mouths.


Why may a species become extinct?

Here are some reasons that some species become extinct: Thyllacine, the "marsupial wolf" was hunted into extinction, as was the passenger pigeon and probably the moa. Competition for resources can drive species into extinction. Disease and predators also take their toll. Insecticides like DDT weaken bird egg shells so that fewer of them hatch. Loss of habitat is yet another factor.


When two species use the same resource one species may drive the other to extinction?

This is a phenomenon known as competitive exclusion, where one species outcompetes the other for resources such as food or habitat. It can lead to niche differentiation, where the competing species evolve to occupy different niches to coexist. This competition can be a strong driver of natural selection.


Should hunters be able to hunt all land animals?

No! This could seriously decimate populations of threatened animals and drive many species to extinction. For this reason, in many countries hunters are required to have hunting permits, and certain species of animals can only be hunted at specific times of the year.


What animal did the railroads nearly drive to extinction?

The animal that the railroads nearly drove to extinction was the Buffalo. The railroads severely destroyed the buffalo's natural habitat.