The graph shown above is from one of the most well-known and on-going ecological studies ever performed. Isle Royal National Park, an island on Lake Superior, keeps data of populations of wolves and moose living there. The moose are a major food source for the wolves. Since the warming of the climate by El Nino in 1998, the tick population on the island has increased. Ticks cause anemia and hair loss in animals. These factors can expose animals to hypothermia in cold weather. Scientists are hoping to incorporate all three factors in their research. What would be an appropriate research question to guide the scientists?

A)
Moose death is directly related to an increase in the tick population.

B)
How does an increase in the tick population impact the survival of the wolves?

C)
If the moose population increase, would we expect an increase in the wolf or tick population?

D)
What is the relationship between an increase in the tick population and the death rate of the moose and wolves?

Answers

Answer 1

The answer is D: What is the relationship between an increase in the tick population and the death rate of the moose and wolves? The graph shows an inverse relationship between the number of moose and wolves: an increase in wolves results in a decrease in moose and vise versa. The scientists want to assess the impact of ticks on this relationship. Therefore, only aim D is valid.

Answer 2

the the answer would be D.

Related Questions

What part of the food chain is the Algae?

Answers

The answer is: "producers" ; or, "autotrophs" [that make their own food].
____________________________________________________________

What is the species name of a frog that is between 1.5 and 6 inches long, has warts on its skin, and has a triangular mark between its eyes? question 3 options: bufo boreas litoria caerulea pseudacris crucifer acris crepitans?

Answers

What is the species name of a frog that is between 1.5 and 6 inches long, has warts on its skin, and has a triangular mark between its eyes?

Bufo boreas

Acris crepitans

Litoria caerulea

Pseudacris crucifer

-->Acris Crepitans is the correct answer.

Minerals are extracted from the Earth through various mining practices.

Answers

Mining is extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. These deposits form a mineralized package that is of economic interest to the miner. so true

Mining is extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. These deposits form a mineralized package that is of economic interest to the miner. Thus, the given statement is true.

What are the impacts of mining on the environment?

Mining has a large impact on the environment because minerals are contained within the Earth. The long term effects of mining include acid drainage, erosion and dust emissions.

These processes has been based on the single principle: the difference in density between the components of the mixture. They are often used together to separate heterogeneous mixtures of two types as liquid + solid and immiscible liquids. In this case we have what mixture is the sediments of stones and the water that through the sieve will separate one from the other.

Therefore, Mining is extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. These deposits form a mineralized package that is of economic interest to the miner. Thus, the given statement is true.

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A male client is taking procrit. he requests changing his medication from the im to the po route. the nurse's best response is:

Answers

Procrit is the brand name of the drug Erythropoeitin. Erythropoeitin is the hormone secreted by the kidneys that stimulates the production of red blood cells in the myeloid lineage. The nurse should explain that the drug Erythropoeitin is destroyed by the stomach acid and therefore will not perform its therapeutic actions; that is why it is needed to be given intramuscularly.

What kind of reaction forms a peptide bond? dehydration synthesis cellular respiration photosynthesis hydrolysis

Answers

It's a dehydration synthesis reaction AKA condensation reaction) and usually occurs between amino acids.

dehydration synthesis

How do physical traits (adaptations) get passed on to offspring and inherited by a population?

Answers

Offspring inherit their physical traits from their parents. Each parent passes on one allele, and half of their chromosomes during sexual reproduction.

"what advantage do organisms that reproduce sexually have over organisms that reproduce asexually?"

Answers

Organisms that reproduce sexually have greater genetic and thus characteristic variations, and so, are able to withstand more selection pressures if they so happen to change or become greater. This increases the chances of survival for that species itself.

Organisms that reproduce asexually are genetically identical to each other. They are unlikely to withstand any changes in selection pressures.

Hope this helps! :)

Which of the following events encouraged Somali fishers to become modern-day pirates?

A. The Somali government's inability to protect its resources
B. Attack
s by international pirates on Somali fishers
C. The illegal entry of cargo ships into Somali waters
D. Legal fishing in Somali waters by international fishers

Answers

Answer:

Explanation:

Legal fishing in Somali waters by international fishers encouraged Somali fishers to become modern-day pirates. Therefore, option (D) is correct.

Who were Somali fishers?

Somali fishers are individuals who work in the fishing industry in Somalia, a country located in the Horn of Africa. Due to a lack of effective government control and the effects of overfishing by foreign fleets, Somali fishers have faced significant challenges in recent years. The depletion of fish stocks in Somali waters has made it difficult for local fishers to make a living, leading some to turn to piracy as a means of survival.

In addition, the activities of international ships, including illegal fishing and dumping of toxic waste, have further damaged the environment and the livelihoods of local fishers. The issue of Somali piracy has become a complex problem involving economic, environmental, and political factors.

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One of the characteristics of a nutritious diet is that the foods provide enough of each essential nutrient, fiber and energy. this principle of diet planning is called:

Answers

This principle of diet planning is called adequacy. An adequate diet provides the human body with energy and nutrients for optimal growth, maintenance and repair of tissue, cells and organs. Water, carbohydrates, fats, proteins, vitamins and some minerals comprise the six nutrient classes that are relied upon for performance of essential functions and activities.

The ________ is the area of the brain where higher level thinking and self-regulation occur.

Answers

The Prefrontal Cortexis the area of the brain where higher-level thinking and self-regulation occur; the peak of overproduction takes place at about 1 year of age.

Prefrontal Cortex is the area of the brain where its the highest level thinking and self regulation occur.

Hope it helped!

Answer will be bold!

The iron in breakfast cereal is absorbed more readily when consumed with a glass of vitamin c–rich orange juice.

Answers

This question is obviously incomplete. However, it is true that vitamin C aids in the absorption of iron. There are different forms of iron in the diet, with some forms more readily absorbed than others. Soluble haem iron found in meat is the most readily absorbed iron. Non-haem iron is commonly found in the ferric form, and is not as readily absorbed. However, vitamin C can aid in the reduction of the ferric form to a ferrous form which is more readily absorbed.

What is the term given to the genetic makeup of the organism?

Answers

genotype is the answer

A journal whose articles are critically reviewed by experts in the field is called a:

Answers

A journal whose articles are critically reviewed by experts in the field is called a: peer reviewed journal.

Peer reviewed journals also known as scholarly journals, are journals that contain articles written by experts and are critically reviewed by many other experts in the field before the publication of the journal in order to ensure that the article is of good quality. When reviewing the journals, the reviewers do not know the article’s author, so that the article fails or succeeds based on its own value and not the owner’s reputation.

Tetrodotoxin (ttx) is a neurotoxin that blocks voltage-gated na+ channels. what will happen in an organism that ingests ttx? all of the above in sufficient quantities, it will be fatal in the organism. action potentials will be impaired. neurotransmitter release will be impaired.

Answers

This question is unfortunately incomplete. A neurotoxin that blocks voltage-gated na+ channels will have all of the effects listed: there will be impairment of action potentials and neurotransmitter release, and in sufficient quantities, the toxin will prove fatal to the organism.

Final answer:

Tetrodotoxin (TTX) ingestion impedes action potential generation by blocking voltage-gated Na+ channels, likely resulting in neurotransmitter release impairment, muscle paralysis, and in high volumes, fatal outcomes due to respiratory failure.

Explanation:Effects of Tetrodotoxin (TTX) on Neurotransmission

Tetrodotoxin (TTX) is a potent neurotoxin that can have a severe impact on an organism's nervous system by blocking voltage-gated Na+ channels. If an organism ingests TTX, it will interfere with the normal generation and propagation of action potentials, as those are reliant on the influx of sodium ions during the depolarization phase. In sufficient quantities, TTX can be fatal, causing impairment in the release of neurotransmitters and leading to paralysis, which includes the muscles involved in breathing, ultimately resulting in respiratory failure.

Neurotoxins like TTX demonstrate the critical roles that neurotransmitters and their receptors play in maintaining vital functions. Other toxins such as botulinum toxin, tetanus toxin, and d-tubocurarine have unique mechanisms but similarly disrupt neurotransmission, leading to paralysis or uncontrollable muscle contractions. For instance, tetanus toxin inhibits the release of inhibitory neurotransmitters like GABA, causing excessive muscle contractions and potentially death by asphyxiation.

Cases of toxin-induced neurological dysfunction underscore the importance of intact neurotransmission for overall health and survival. The study of these toxins has not only provided insights into neurological function but also has given rise to therapeutic applications, such as the use of botulinum toxin in small doses to treat certain medical conditions.

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Yesterday nadia consumed 250 grams of carbohydrate, 75 grams of protein, and 60 grams of fat. 57) what percentage of calories of her day's intake came from fat?

Answers

number of calories gained when eating different types of food differs. Some food types are more fattening relative to other types.
the number of calories consumed when eating carbohydrates -
- 4 calories/ gram * 250 g = 1000 calories
calories gained eating proteins -
- 4 calories/gram * 75 g = 300 calories
calories gained eating fats
- 9 calories/ gram * 60 g = 540 calories
total amount of calories consumed = 1000 + 300 + 540 = 1840 calories

percentage of calories coming from fats = 540/1840 *100% = 29.3 %

Which structure provides a protective outer covering for bones and assists with fracture repair?

Answers

Periosteum is the thin yet tough outermost layer of bones. Its many collagen fibers support the bone and firmly connect it to the surrounding structures. Osteogenic cells in the periosteum play a vital role in the growth and repair of bony tissue.

Daily values are calculated for the average person who consumes a total of

a. 200 calories a day

b. 1,000 calories a day

c. 2,000 calories a day

d. 10,000 calories a day

Answers

Daily values are calculated for the average person who consumes a total of c. 2,000 calories a day.

The image shows the daily values for a diet of 2000 Calorie. The intake of nutrients are calculated for a diet of the given daily value. This helps an individual judiciously consume food by looking at the chart of the nutrition printed on the carton or on the box in which it is packaged.

Name one negative consequence of exponential human population growth.
greater biodiversity
increased pollution
longer life expectancy

Answers

The only negative option given is: increased pollution. Humans unfortunately cause pollution through producing garbage, driving cars, producing human waste (sewage) and growing crops and raising livestock. The more people there are, the more pollution results. It is worth noting that people in developed nations generally cause more pollution because they consume more per capita that people in developing nations.

Answer:

The correct answer is "B" increased pollution

Explanation:

got it on USAtestprep ;D

Moss spores form inside capsules that break open and shoot spores into the environment. Which does not help carry these spores to new areas? water

rhizoids

animals

wind

Answers

It is a rhizoid. That is the outgrowth of root hair on the underside of the thallus which will help to anchor a plant in place.

Mitosis, the process of cell division, is most important for an organism's what?

Answers

Cell division serves as a means of reproduction in unicellular organisms through binary fission. In multicellular organisms, cell division aids in the formation of gametes, which are cells that combine with others to form sexually produced offspring. For growth to occur in living organisms, the number of cells have to increase through cell division until it reaches its maximum size.

The human body also repairs injuries by means of cell division. When skin is cut, the skin cells on either side of the cut divide to make new cells that heal the wound.

The loss of a fetus before the 20th week of pregnancy is referred to as a(n) ___________. The medical term is spontaneous abortion, but the condition is not an abortion in the common definition of the term. A) toxemia. B) miscarriage. C) ectopic pregnancy. D) embryonic pregnancy.

Answers

I am pretty sure it is B, my second choice is D, its definitely not A or C.

I hope this helps you:)

the answer is mscarriage, b.

Where should the origin of jointed appendages be placed on the phylogenetic tree?

Answers

At the base of Arthropoda.

Continuous cell lines differ from primary cell lines in that question 12 options:
a.viruses can be grown in continuous cell lines.
b.continuous cell lines can be maintained through an indefinite number of generations.
c.continuous cell lines always have to be reisolated from animal tissues.
d.continuous cell lines are derived from primary cell lines.
e.continuous cell lines are from human embryos.

Answers

Continuous cell lines differ from primary cell lines in that continuous cell lines are derived from primary cell lines.

Continuous cell lines can be propagated indefinitely, while primary cell lines have a limited lifespan.

Option (b) is correct.

Continuous cell lines differ from primary cell lines in that they can be maintained and propagated through an indefinite number of generations, whereas primary cell lines have a limited lifespan and eventually undergo senescence or cell death.

Continuous cell lines are derived from primary cell lines through a process called immortalization, where they acquire the ability to divide indefinitely. These cell lines are often used in research laboratories and biotechnology applications because of their ability to provide a continuous and consistent source of cells.

Unlike primary cell lines, continuous cell lines do not need to be reisolated from animal tissues repeatedly. They can be cultured in the laboratory under specific conditions, and they are widely used for studying cell biology, drug testing, vaccine development, and viral propagation, among other applications.

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Several atmospheric gases contribute to global warming: carbon dioxide, methane, and nitrous oxide. Considering this, which choice would do the LEAST to directly reduce atmospheric carbon dioxide. That is...

Answers

the answer is D.he conversion of restaurant grease to bio-diesel fuel for use by motorists.

D) the conversion of restaurant grease to bio-diesel fuel for use by motorists.

Circulatory systems compensate for _____. circulatory systems compensate for _____. the problem of communication systems involving only the nervous system the need to cushion animals from trauma temperature differences between the lungs and the active tissue the slow rate at which diffusion occurs over large distances

Answers

Circulatory systems compensate for the slow rate at which diffusion occurs over large distances.

Diffusion is the process of molecules moving from a place of high concentration to a place of low concentration, which happens thanks to the chemical potential gradient, such as the concentration gradient (the difference in the concentrations). This process is used by our cells, for example, in the transport of oxygen, since it can diffuse through the cell membrane and into the cell, when the concentration of oxygen is higher in the intercellular space.
Diffusion is generally a slow process when it comes to large distances, so for example, oxygen would take a lot of time to get from one place in the body to another, since it would have to diffuse through millions of cells.
This is where the circulatory system comes into play. Thanks to the circulatory system, the oxygen can simply enter the blood flow, and be transported by the hemoglobin in the red blood cells from our lungs to all the cells in our body much faster. Same goes for different molecules that the circulatory system transports, like nutrients, amino acids, carbon dioxide, hormones. These are all transported throughout our body at a rate much faster than the rate of diffusion, and diffusion is used in the capillaries, at the target cells after the molecules have already been transported by the blood.

Final answer:

The circulatory system compensates for the slow rate at which diffusion occurs over large distances, facilitating efficient transport of materials within the body. Additionally, it also compensates for the limitations of having only the nervous system for communication by disseminating signals broadly to the body via hormones and other messengers.

Explanation:

The circulatory system compensates for the slow rate at which diffusion occurs over large distances, amongst other functions. Within the body, materials like oxygen, nutrients, and waste products need to be transported from one region to another. Relying on simple diffusion would be quite inefficient due to the slow rate at which it processes. Therefore, the circulatory system acts as a network of highways, speeding up the transport process significantly.

Furthermore, it's critical to understand that the circulatory system also compensates for the problem of communication systems involving only the nervous system. While the nervous system is crucial for fast and targeted responses, the circulatory system disseminates hormones and other signals broadly to the entire body. It’s a slower communication method, but it affects all parts of the body simultaneously, which can be beneficial for many types of responses.

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which of the following separates layers of different density?
A)Incline
B)Halocline
C)Thermocline
D)pycnocline

Answers

The answer should be D. Hope I Helped!

Answer:pycnocline

Explanation:

I just had a question that was the opposite, instead of asking density and the answer is pycnocline, mine was asking pycnocline and the answer was density

A minimum of 100 years of isolation is required for two populations to accumulate enough differences to be considered different species. true or false: a minimum of 100 years of isolation is required for two populations to accumulate enough differences to be considered different species.

a. True

b. False

Answers

false, it would not accumulate enough differences to be considered different species.

During cellular respiration, energy is stored in the form of _______.
oxygen
water
ATP
food,

Answers

During cellular respiration, energy is stored in the form of ATP

During aerobic respiration, cells use oxygen to release the energy stored in glucose. This energy is temporarily stored in the form of ATP (adenosine triphosphate), and water and carbon dioxide are released as wastes.

This type of farming practice helps preserve soil conservation by planting crops on the tops of hills.

Answers

Ridge tillage.

Hope this helps!

-Payshence xoxo

Structural unemployment can be caused by ____________.

Answers

It can be caused by fluctuations in the business cycle.

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Hope this helps ! Good Studying !

Photon

Other Questions

A condition of stones in the common bile duct is called 1. Yolanda is reviewing a medical record for a patient who is receiving psychotherapy. As a part of her training in medical record confidentiality, she is aware that there are special guidelines regarding psychotherapy notes. Which of the following statements is true of these guidelines? A. Except when used for data aggregation, psychotherapy notes can't be used without the health care provider's authorization. B. Except when used by the originator of the psychotherapy notes, they can't be used without the individual's authorization. C. Psychotherapy notes can never be disclosed to the patient. D. Psychotherapy notes can never be disclosed, even for health care operations.Student Answer: A Answer: Incorrect3. A notice of use and disclosure is required for A. new patients, but not established patients. B. patients whose personal health information the doctor intends to disclose. C. every patient a doctor treats. D. patients treated for sensitive conditions, such as substance abuse or mental illness.Student Answer: A Answer: Incorrect4. One requirement of the business records exception to the hearsay rule is that the A. declarant must be deceased. B. records must be accurate. C. business must be a medical office. D. records must be less than one year old.Student Answer: C Answer: Incorrect9. Which of the following statements about HIV testing is true? A. HIV testing is now conducted routinely as part of a standard general check-up for most patients. B. Testing isn't normally necessary as HIV symptoms manifest early and are distinctive. C. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. D. Some HIV tests can provide results in as little as 20 minutes.Student Answer: B Answer: Incorrect11. Which one of the following steps can shield against discovery of an incident report? A. Following HIPAA regulations B. Reporting to the NPDB C. Invoking the work product doctrine D. Conducting a peer reviewStudent Answer: A Answer: Incorrect13. The technology that identifies people through body characteristics is known as A. genetic testing. B. psychometrics. C. latent identification. D. biometrics.Student Answer: A Answer: Incorrect14. Margaret is a human resources professional who is staffing a temporary assignment for a small hospital. As a part of her recruitment efforts, she needs to review the competence and qualifications of 10 outpatient medical coders who will work from home as part of the assignment. This responsibility would fall under the heading of _______ for purposes of the HIPAA Privacy Rule. A. medical employment classification B. recruitment classification C. health care operations D. administrative operationsStudent Answer: A Answer: Incorrect15. Which of the following statements is true in regard to limited data sets? A. Those who receive limited data sets can pass them on without restrictions. B. Limited data sets can contain some identifiers. C. Limited data sets can't include a patient's city, state, age, or birth date. D. Patients must authorize the use of limited data sets.Student Answer: A Answer: Incorrect19. The _______ is the only person who can authenticate the information in a patient's medical record. A. attending nurse B. medical facility that's caring for the patient C. attending physician D. person who creates the data in the recordStudent Answer: B Answer: IncorrectPLEASE HELP! Please help asap!Two angles are supplementary. If one angle measures 43 degrees, what is the measure of the second angle?A.47 degreesB.57 degreesC.137 degreesD.147 degrees PLEASE HELP ASAP!!!!!!!!!!!A number cube with six sides numbered 1 through 6 is rolled. The probability of rolling a 5 is 16. What is the probability of not rolling a 5? Enter your answer as a fraction, in simplest form, in the box. 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Plz help please thanks so much Jason's current yearly income is $13,000...If Jasons training will allow him to get a job making $34,000 a year, how long will it take him to recover his initial investment of $35,200? what kind of lighting was used in Pitch Perfect 3 a rectangular garden has a perimeter of 54 feet. it's length is 3 less than twice its width. write and solve an equation to solve for the gardens dimensions Who served a role between the Sumerians and the gods How many triangles are formed by dawing all the diagonals from a single vertex of a convex polygon ILL GIVE BRAINLIEST PLEASE ORDER THESE LEAST TO GREATEST Lamar purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Lamar paid. 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