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Setler79 [48]
3 years ago
7

During the 1980s, wolves were reintroduced to Yellowstone National Park after decades of absence due to attempted extermination

in the early part of the 20th century. Within 20 years, not only had the wolf population increased, but there was also a dramatic increase in other species, such as aspen, cottonwood, and willow trees, beavers, warblers, insects, and fish. These changes in Yellowstone Park are examples of how important a(n) ________ can be to an ecosystem.
Biology
1 answer:
Dominik [7]3 years ago
6 0

Answer:

Keystone species

Explanation:

Keystone species are such species that had a large effect on the natural environment. Such species are very important species as they play key role in determining and maintaining the the structure of an ecosystem and also decide or fix which type of species will be there in that environment and what will be the number of those species in that particular community. Without these keystone species an ecosystem could completely cease or all species could not work in that same manner all-together. Wolf is one of an important keystone species in the ecosystem.

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dybincka [34]

The emergence of resistance is a result of EVOLUTION by natural selection. It is a major evolutionary force.

<h3>Evolution and natural selection </h3>

The term evolution refers to the biological process of descendence with modification.

Natural selection refers to the differential survival or reproduction of the organisms better adapted to a given environment.

In this case, the presence of the pesticide generates an evolutionary constraint, thereby selecting pesticide-resistant individuals in the population.

Learn more about evolution here:

brainly.com/question/4207376

6 0
2 years ago
How many bacteria would there be if 500 bacteria underwent fission every 20 minutes for an hour?
Alex73 [517]

Answer:

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Explanation:

Genel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedirGenel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedirGenel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedir

3 0
3 years ago
is a coral reef formed by the abiotic movement of minerals, as in the rock cycle? or is it formed by the biotic cycling of carbo
VikaD [51]
movement of minerals
5 0
3 years ago
How would a sudden decrease in the rabbit population on an island affect another species there? *
Sonbull [250]

The correct answer is option D The population of foxes would probably decrease.

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In the terrestrial food chain given above, grass → rabbit → fox, the decrease in the any population will effect the other organism at a different trophic level of the food chain. A sudden decrease in the population of rabbits will decrease the population of the foxes at the next trophic level as it is a secondary consumer feeding on the primary consumer which is the rabbit. So, a sudden decrease in the rabbit population will starve the foxes and thus decrease their number in the island.



8 0
3 years ago
Read 2 more answers
Describe two ways that water moves through the earths biosphere in the water cycle
Iteru [2.4K]
<span>For the first one I would say that the water cycle would be affected because there would be more water in the ground. The roots of the trees soak up the water and keep excellent drainage under the ground. Without trees this mechanism would be all sorts of messed up. Another way it could be affected would be the perspiration from the trees. This might change the humidity of the area.</span>
3 0
3 years ago
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