What Is Your Opinion Of The Balance Of Nature Hypothesis

What Is Your Opinion Of The Balance Of Nature Hypothesis?

Most biology textbooks describe that predators and prey exist in a balance. This “balance of nature” hypothesis has been criticized by some scientists because it suggests a relationship between predators and prey that is good and necessary. … Why is death by predators more natural or “right” then death by starvation?Apr 23 2014

Why is death by predator more natural than death by starvation?

Why is death by predators more natural or “right” then death by starvation? … Death by predators is the preferred method over death by starvation. When a population is starving the members of that population will become malnourished and weak. This will lead to an unhealthy population that is more susceptible to discase.

What is the relationship between the deer and the wolves on the island?

In this relationship the interaction between the two animals is a predator and prey relationship. In it the deer is a prey and the wolf is a predator. So when the wolf eats the deer it is gaining food and energy from it while the deer dies and is harmed.

What happened to the deer population when the number of wolves was low?

I think that the deer would be worse off without the wolves if there were no wolves on the island the deer population would rise unchecked creating more starvation diseases and crowding the wolves keep the deer at a stable population still allowing for gain some years.

What unintended harm could Introducing the wolves have on the entire island is it worth the risk Why defend your position?

What unintended harm could Introducing the wolves have on the entire island is it worth the risk? Defend your position. Introducing the wolves could have a unitended impact on the entire island by eating all the animals and then the things that they eat like grass and berry would overpopulate the island.

How many wolves are in the World 2020?

There is no possibility of knowing exactly how many wolves there are in the world. However scientists have estimated that around 200 000 to 250 000 wolves are inhabiting the world with the majority of the species residing in the United States and about 50 000 gray wolves living in Canada.

What do you think would have happened to the moose on the island have wolves not been introduced?

Defend your position. Had the wolves not been introduced to the island there is a good change that the deer population would have ultimately died out because there would not have been enough food to support all of the deer present on the island.

What is the major limiting factor for the wolf on Isle Royale?

Based on their analysis of fluctuations of gray wolves (Canis lupus) in Isle Royale National Park Peterson and Page (1988:97) concluded that “the only natural limits to wolf density are those ultimately imposed by food supply.” Specifically they attrib- uted a major crash of wolves on Isle Royale in 1981-1982 to …

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What is the carrying capacity of the wolves?

For the last decade the wolf population has hovered around 100 which experts consider Yellowstone’s carrying capacity. Carrying capacity describes the maximum number of individuals or species that a specific environment’s resources can sustain for an indefinite period without degrading it.

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Is the number of deer on the island a density dependent or density independent limiting factor for the wolf explain your answer?

It is density dependent because the wolf population cannot stay large if there are not enough moose to sustain the wolves.

What was the deer population change in 1972?

920

Year Wolf Population Deer Offspring
1972 12 920
1973 16 1 000
1974 22 944
1975 28 996

What was the relationship of the deer herd to the carrying capacity?

What was the relationship of the deer herd to the carrying capacity of the range: in 1915: The deer herd was 5 below the carrying capacity. in 1920: the deer herd was 5 above the carrying capacity. Did the Forest Service program appear to be successful between 1905 and 1924?

How has the return of wolves in Yellowstone benefited the entire ecosystem?

25 years after returning to Yellowstone wolves have helped stabilize the ecosystem. New research shows that by reducing populations and thinning out weak and sick animals wolves have a role in creating resilient elk herds.

Do wolves eat deer?

Wolves prey primarily on large hoofed mammals called ungulates. For example: In Michigan Wisconsin and Minnesota the white-tailed deer is the wolf’s primary prey with moose beaver snowshoe hare and other small mammals also being taken.

What factor limits the population growth of the deer?

Some of these include: disease predator/prey relationships habitat destruction and degradation food availability hunting pressure and weather conditions. Deer populations are not static they continuously change in response to many factors.

What is carrying capacity in biology?

Carrying capacity can be defined as a species’ average population size in a particular habitat. The species population size is limited by environmental factors like adequate food shelter water and mates.

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Why do we need wolves?

Wolves play a key role in keeping ecosystems healthy. They help keep deer and elk populations in check which can benefit many other plant and animal species. The carcasses of their prey also help to redistribute nutrients and provide food for other wildlife species like grizzly bears and scavengers.

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Are there wolves in USA?

Usually however wolves in the United States are mostly seen during the winter months in northern Minnesota northern Wisconsin Michigan’s Upper Peninsula and portions of Washington Idaho northern Oregon northwest Wyoming and Montana as the majority of wolf populations migrate from Canada to the Northwestern …

Can wolves be red?

Appearance. The red wolf (Canis rufus) is a native North American canid intermediate in size between the coyote (Canis latrans) and gray wolf (Canis lupus). Red wolves are mostly brown and buff colored with some black along their backs often with a reddish color on their ears head and legs.

Why did the moose population decrease in Isle Royale?

Moose Population

Higher numbers of moose on the finite land mass lead to over-browsing of island vegetation which leads to population decrease due to winter starvation. The only island moose predator is the gray wolf.

What main factor would determine the amount of moose the island could support?

The main factor that would determine the amount of moose that the island could support is the amount of vegetation available.

What effect would you predict wolf populations have on moose populations?

If wolves drove moose to particularly low levels of abundance the wolf population would be at much greater risk of extinction due to lack of food.

How are wolves affected by climate change?

Climate Change with wolves have affected mainly the northern part of the united states and north of it. With wolves migrating to new areas that leaves more prey such as deer to have more ability to reproduce and with too many can cause problems with plant life and natural deforestation.

When and how did wolves first make it to Isle Royale quizlet?

A small pack of wolves found and crossed a rare ice bridge that formed between the mainland and isle Royale in the 1940s. The wolves were able to easily prey on the moose as they had eaten most of the plants already and were undernourished.

What factors influence the population of moose and wolves on Isle Royale?

The populations of wolves and moose on Isle Royale constantly adjust as food availability weather and seasons affect the health and reproduction of the animals. Over time notice as the wolf population declines the moose population increases and vice versa.

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How have humans affect wolf population?

Human developments such as the building of roads has caused population redistribution in wolves leading to isolation of wolf populations. Over time population isolation can lead to divergence as wolves evolve and adapt to new habitats and become distinct from their ancestors.

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Do wolves control coyote population?

Competition and prey

Studies in other areas have shown that the presence of wolves can reduce coyote populations. In these and other ways wolves can influence the dynamics of wildlife species across an entire ecosystem altering predator-prey relationships and even the natural landscape.

Would the number of wolves increase Why or why not?

The causes for the wolves’ greater numbers this year according to YLE is reproduction fewer hunting permits and an abundance of prey. It appears that conservationists’ efforts to increase the wolf numbers have been working while improved numbers of other animals have given the wolves plenty of prey.

Is the cause more likely to be density dependent density independent or both?

Is the cause more likely to be density-dependent density-independent or both? Both it could be both density-independent and density-dependent.

Is a drought a density independent factor?

Density-independent limiting factors affect all populations in similar ways regardless of population size and density. Unusual weather such as hurricanes droughts or floods and natural disasters such as wildfires can act as density-independent limiting factors.

Which is a density independent factor answers?

There are many common density independent factors such as temperature natural disasters and the level of oxygen in the atmosphere. These factors apply to all individuals in a population regardless of the density.

What is the relationship between deer and wolves on the island?

In this relationship the interaction between the two animals is a predator and prey relationship. In it the deer is a prey and the wolf is a predator. So when the wolf eats the deer it is gaining food and energy from it while the deer dies and is harmed.

What will happen to the deer population of the wolf population increased?

2. How did the deer and wolf populations change over time? Deer and wolf populations first increased then decreased and then became stable.

How do you tell if a deer is a spike?

We use the term “spike” for any deer at least a year old that has two hardened antlers that do not branch or fork. We don’t use it to refer to a “nubbin buck” fawn that has skin covered knobs or bumps on its head.

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