What do you observe about the relative timing of the peaks in lynx numbers and hare numbers? What might explain this observation?
Answers
There is no relationship between when hare numbers peaked and when lynx numbers peaked.
Hare numbersThere are fewer than 800,000 of them. Hares can still dance, play, and loiter - but only just. Hare populations continue to decline in the face of a three-pronged onslaught. Hares, like many British mammals, have been severely impacted by habitat loss, specifically the deterioration and development of agricultural land.
Lynx numbersThe IUCN classifies the lynx as Near Threatened, with a global population of fewer than 50,000 reproducing individuals. Its extinction, like that of many other predators, is connected to habitat and prey loss.
Can predators and prey evolve together ?Predators and their prey coevolve. Prey species develop adaptations to help them avoid being eaten, and predators develop techniques to help them catch their prey.
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Related Questions
why do you think tactilce meissner corpuscles are located relativley close to the surface of the skin rather than deep within the dermis
Answers
The primary reason for tactilce meissner corpuscles's location close to the surface of the skin is because the cells need to be exposed to the external environment to be able to detect pressure and other forms of stimuli.
Tactile Meissner corpuscles are mechanoreceptors located near the surface of the skin. They are small and sensitive structures that allow the body to detect touch, pressure, and vibration. The Meissner corpuscles have a small and cylindrical shape that allows them to pick up any slight changes in pressure. They also have a dense network of nerve fibers that help them quickly and accurately relay information about touch sensations to the brain. Because of their relatively close proximity to the surface of the skin, the tactile Meissner corpuscles can sense very slight changes in pressure and help the body respond appropriately.
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Which of the following best explains why what we know about cells is called a theory and not a law? (4 points) a We do not have enough evidence yet to call cell theory a law. b We have not reviewed cell behavior enough yet to call it a law. c Cell theory is still changing but may eventually become a law. d Cell theory explains cell behavior where a law would describe it.
Answers
Cell theory explains cell behavior where a law would describe it explains about cells is called a theory and not a law.
What do you mean by cell theory?Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
Everything that lives is made up of cells. The second part of cell theory was that new cells are formed from preexisting cells. The third part is that all cells are similar. Finally, cells are the most basic units of life.
The cell theory, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology.
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5. What are virus hoaxes? Why are the hoaxes sometimes more dangerous than an actual virus?
Answers
Answer:
An actual computer virus is a malicious software, often known as malware, that can harm a computer and its users.
Virus hoaxes are false or misleading information about viruses that circulate through various communication channels.
They can be more dangerous than actual viruses due to their ability to spread quickly, cause panic, and undermine effective public health measures.
Virus hoaxes are deceptive messages or claims that often exaggerate the severity or impact of a particular virus. They can be spread through social media, email chains, or word of mouth. These hoaxes may include misinformation about symptoms, transmission methods, or false remedies, leading people to take ineffective or even harmful actions.
What makes virus hoaxes particularly dangerous is their potential to create panic and misinformation at a rapid pace. The viral nature of social media and other communication platforms allows these hoaxes to reach a wide audience within a short period. As a result, people may make decisions based on false information, such as avoiding necessary medical treatment, taking unnecessary precautions, or spreading fear and misinformation to others.
Moreover, virus hoaxes can undermine public health efforts by diverting attention and resources from legitimate preventive measures. They can erode trust in healthcare authorities and disrupt the dissemination of accurate information, making it harder for individuals to make informed decisions and follow recommended guidelines.
This can have severe consequences, especially during outbreaks or pandemics, where timely and accurate information is crucial for public safety. Therefore, it is essential to verify the credibility of information and rely on trusted sources to mitigate the risks associated with virus hoaxes.
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3. examine the graphic and description. propose a definition for ""endogamous lineage""?
Answers
Endogamous lineage refers to a social system in which individuals are only allowed to marry within their own kinship group.
The graphic and description suggest that endogamous lineage is a system in which individuals are encouraged to marry within their own community or family, in order to maintain cultural or religious traditions and prevent the dilution of certain genetic traits. This practice is common in many cultures around the world, particularly in societies where family and community ties are highly valued. Endogamous lineages can have both positive and negative effects, and can lead to both genetic diversity and inbreeding. Overall, the practice of endogamous lineage is a complex and culturally-specific phenomenon that requires careful analysis and understanding in order to be properly appreciated.
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Which of the following could be a hypothesis for what causes a scarlet ibis to have red feathers?
A. the red feathers make the bird more beautiful to people
B. A chemical in the birds food produces the red coloring
C. What does the scarlet ibis eat?
D. The feathers are red because a wizard cursed the bid long ago
Answers
Which is a trace element found in the human body
A. Phosphorus
B. Calcium
C. Nitrogen
D. Iron
Answers
Answer:
D. Iron is a trace element found in the human body.
Explanation:
When do babies start laughing?
Answers
Playing with babies, making silly faces, and reading them funny stories can all help to encourage them to start laughing.
Babies start to make vocalizations shortly after birth, but it is not until around 3 to 4 months of age that babies begin to laugh. This is when their vocal cords, diaphragm, and other muscles needed for laughing have developed enough to produce the characteristic "ha ha" sound of laughter.
One of the main things that can help babies to laugh is social interaction with their caregivers. Babies are very attuned to the emotions and expressions of the people around them, and they will often mimic the laughter and smiling of the adults in their lives.
In summary, babies start to laugh around 3 to 4 months of age, but can show signs of joy and happiness before that and it's also important to note that babies develop at different rates. Social interaction with their caregivers plays a big role in encouraging babies to start laughing.
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Mitosis starts and ends with
diploid cells. That means they
have tWO sets of chromosomes
(both parents each contribute a
set). In humans, how many
chromosomes should be in each
of these diploid cells after
mitosis?
6.
Answers
Answer:
23
Explanation:
After mitosis two identical cells are created with the same original number of chromosomes; 46. Haploid cells that are generated through meiosis, such as egg and sperm, only have 23 chromosomes, because, remember, meiosis is a "reduction division."
Some amateur and professional athletes take anabolic steroids to help them "bulk-up" or build strength. The health risks are extensively documented. Why are human sex hormones considered lipids? What precursor compound is necessary for the synthesis of steroids? What are some of the risks associated with anabolic steroid use?
Answers
Some amateur and professional athletes take anabolic steroids to help them "bulk-up" or build strength. The health risks are extensively documented.
Steroid hormones are a type of lipids that are naturally produced in the body and are synthesized from cholesterol.
The precursor compound that is necessary for the synthesis of steroids is cholesterol. Some of the risks associated with anabolic steroid use are as follows:• Hormonal imbalances• Mood swings• Liver damage• Acne and other skin issues• Decreased fertility• High blood pressure• Increased risk of heart disease• Stunted growth (in adolescents)• Increased risk of blood clots and stroke• Aggression and other behavioral changesThe use of anabolic steroids can have numerous adverse effects on the body.
Steroid hormones are considered lipids since they are fat-soluble molecules. They are naturally produced by the body's endocrine glands, and they are transported through the bloodstream to specific target cells, where they elicit their physiological effects.
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A common misconception is that proteins are a good source of energy. Explain which types of foods are the best energy sources and how this relates to the amount of ATP made by your cell.
Answers
Answer:
Carbohydrates.
Explanation:
It is carbohydrates because they are the good source of energy . When carbohydrates are consumed it's digestion starts from the mouth, from chewing and it mixes with saliva from the salivary gland. As it is broken down the chemical energy unlock in it is released into the body which is absorbed by the cells for cellular metabolic activities. They turns into energy as soon as they are ingested and they energy powers the brain and the whole body.
Examples of carbohydrates are wheat, whole grains, rice, bread e.t.c.
the dorsal fin of a bony fish called a remora is formed in the shape of a suction cup it uses to attach itself to a shark. when the shark feeds, the remora feeds on the shark's scraps. the shark does not prey on the remora. a disease causes most of the sharks in a particular region to die. what will most likely happen to the remora population?
Answers
Without the shark's scraps to feed on, the remora population in the affected region will most likely decline.
What is population?Population is the total number of individuals living in a given area or region. Population size is determined by both natural causes such as births, deaths, and migration, as well as human-induced causes such as immigration, emigration, and changes in land use. Population density is a measure of the number of people per unit area in a given region.
This is because the remora rely heavily on the shark for food and without it, they will not have a sufficient food source. Additionally, without the shark around to provide protection, the remora may fall prey to other predators. Thus, the remora population in the affected region is likely to decrease.
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A. When the microbe is introduced into a healthy, susceptible host, the same disease occurs. B. The same strain of microbe is obtained from the newly diseased host. C. The microbe is isolated from the diseased host and grown in pure culture. D. The microbe is found in all cases of the disease but is absent from healthy individuals.
Answers
The Germ theory of disease consists of four postulates to describe how microorganisms are responsible for infectious diseases.
Louis Pasteur developed the germ theory of disease, which is a scientific theory that states that diseases are caused by microorganisms, which are germs that spread from one host to another. The germ theory of disease consists of four postulates to describe how microorganisms are responsible for infectious diseases.
When a microbe is introduced into a healthy, susceptible host, the same disease occurs, which is the first postulate. The same strain of microbe is obtained from the newly diseased host, which is the second postulate. The microbe is isolated from the diseased host and grown in pure culture, which is the third postulate. The microbe is found in all cases of the disease but is absent from healthy individuals, which is the fourth postulate.
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!!!!
MULTIPLE CHOICE QUESTION
Ribosomes
is the site of protein synthesis.
is where the genetic material is housed.
is where plants use sunlight to perform
photosynthesis.
Answers
Which of the following is/are important feature(s) of a high-quality Web site?A. The objectivity of the organization that produces the Web site.B. Recent updating of the Web site.C. The presence of references for the data or conclusions presented on the Web site.D. The availability of information on the source of funding for the Web site.E. All of these are correct.
Answers
The objectivity of the Web site, recent updating of the Web site, presence of references for the data or conclusions presented on the Web site, and availability of information on the ensures of funding for the Web site.
Correct answer is : E. All of these are correct.
The web site is essential as it provides the users with the latest and accurate information. The presence of references for the data or conclusions presented on the web site enables the users to verify the authenticity of the information provided. The availability of information on the source of funding for the web site helps the users to evaluate the site's credibility. Therefore, all of these features are necessary for a high-quality web site.
The objectivity of the organization that produces the Web site (A) is important because it ensures the information is unbiased and reliable. Recent updating of the Web site (B) is crucial as it indicates the information is current and up-to-date. The presence of references for the data or conclusions presented on the Web site (C) adds credibility and allows users to verify the information. The availability of information on the source of funding for the Web site (D) helps users understand any potential biases or conflicts of interest.
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explain how the osmoregulatory challenges of freshwater animals differs from those of marine species
Answers
Because animal cells cannot survive saline concentrations as low as those in lake or river water, freshwater creatures must have hyperosmotic bodily fluids.
Gills have high amount of mitochondria which assist in replacing the salt. These cells take salt from the surrounding water and absorb it into the blood. Marine fish face completely opposite issue from freshwater fish. In comparison to their surroundings, they have blood that contains more water. Rivers and lakes contain freshwater, which is mostly identified by inlets and outflows. With a low saline concentration, there is an adequate supply of oxygen in this habitat than that of marine fish.
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Which wavelength of light would photosynthesis be at its lowest?
A) 550nm
B) 450nm
C) 650nm
D) 400nm
Answers
Answer: C
I think so... Not really sure. Extremely sry if it's wrong. I tried. :)
Answer:
D) 400nm
Explanation:
Plants use light of wavelength between 400-700nm 3
What symbol is used to designate an absolute cell reference?.
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Hello there
in the hershey chase experiments, the isotope 35s was used to label and the isotope 32p was used to label
Answers
In the Hershey-Chase experiment, the isotope 35S was used to label protein, and the isotope 32P was used to label DNA.The Hershey-Chase experiment was a series of experiments carried out in 1952 by Alfred Hershey and Martha Chase.
These experiments were carried out to determine the nature of the genetic material. In this experiment, the researchers used bacteriophages (viruses that infect bacteria) to investigate whether DNA or protein is the genetic material.Hershey and Chase used radioactive isotopes to label either the protein coat of the virus or the DNA inside it. The bacteriophages were then allowed to infect bacteria, and the researchers observed what happened. They found that when the virus's DNA was labeled with the radioactive isotope 32P, the radioactivity entered the bacteria. On the other hand, when the protein coat was labeled with the radioactive isotope 35S, no radioactivity was detected in the bacteria. This led to the conclusion that DNA is the genetic material that controls the characteristics of an organism.
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Nitrogen helps increase corn yield because
Answers
there are 22 grams of media per 1000 mL of liquid, how many grams of media would it take to make only 100 mL of liquid?
Answers
Answer:
1ml
Explanation:
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svscwjdvjwdvwjdvwjskqskwsg
Drag the tiles to the boxes to form correct pairs.
Match the excerpts from the passage to the correct classification
Answers
From the given clauses and phrases, the independent clause can stand alone as a complete sentence while the dependent clause can not.
What are clauses?Clauses are groups of words that contain a subject and a verb that are related together.
Clauses can be dependent or independent clauses.
A phrase is a group of words that do not contain a subject but may contain a verb.
Based on the given options:
The independent clause is scientists create this plants and animals through genetic engineering. The dependent clause is " so that people can choose whether or not to consume these foods".The infinitive phrase is "to consume these foods "The gerund phrase is "the labelling of these foods".Therefore, the independent clause can stand alone while the dependent clause can not.
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Blood vessels are connected to nerve fibers which are regulated by the
nervous system. When innervated they respond by doing what?
Answers
Answer:
When blood vessels are innervated they respond by contracting and relaxing their muscle wall, as a result of the activity of the autonomic nervous system.
Explanation:
The nerves that are responsible for the innervation of the blood vessels are called nervi vasorum, and are composed of nerve fibers of the sympathetic and parasympathetic nervous systems.
The innervation of the blood vessels specifically acts on the muscular wall of the vessel, so it contracts or relaxes depending on the activity of the nervous system:
Sympathetic nervous system stimulates vascular contraction.Parasympathetic nervous system makes the vascular smooth muscle relax.The action of the autonomic nervous system has an effect on blood pressure, being a determinant of normal or pathological behavior of the arteries.
Nitrogen is the most common element in the air. Why do bacteria play a role in the nitrogen cycle?
Answers
Explanation:
Bacteria play a role in the nitrogen cycle because:The bacteria’s helps in breaking down the organic materials which has nitrogen in it, and helps in giving the nitrogen back to the cycle. Bacteria helps in breaking down of the leaves and then it diffuses the nitrogen to the soil. Prokaryotes also plays an important role in the nitrogen cycle. The nitrogen fixing bacteria present in the root zone of plants basically in the soil, helps in conversion of the nitrogen into ammonia. Then the nitrifying bacteria converts the ammonia to the nitrites or can say nitrates.
Answer:
sorry I didn't know hahaha
What are the gaps in the myelin sheath on an axon known as?
Answers
The gaps in the myelin sheath on an axon are known as nodes of Ranvier. The myelin sheath is a fatty, insulating layer that surrounds some axons in the nervous system, and it serves to increase the speed and efficiency of electrical signaling in the neurons.
However, the myelin sheath is not continuous along the entire length of the axon. Instead, there are small gaps in the myelin sheath, called nodes of Ranvier, that occur at regular intervals along the axon. At these nodes, the axon membrane is exposed, allowing for the exchange of ions and the propagation of action potentials (electrical impulses) along the axon. The nodes of Ranvier are important for the efficient transmission of electrical signals in the nervous system. They allow for the rapid, saltatory conduction of action potentials, in which the action potential jumps from node to node, rather than traveling along the entire length of the axon. This helps to speed up the transmission of information in the nervous system. So, to summarize, the gaps in the myelin sheath on an axon are called nodes of Ranvier, and they are important for the rapid and efficient transmission of electrical signals in the nervous system.
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which tools can be used to measure the volume of a substance? select the two correct anwsers. pls and also dont put any links thx u :)
Answers
Graduated cylinder along with the measuring cup both can measure the volume of the substance. It is the space occupied by the substance that is the matter that is contained inside the body.
What is the volume- density relation ?Mass per unit volume is the density of the substance.
A graduated cylinder, is the one that measures in milliliters which is measure of the volume. The English system that is equivalent to it is pints with quarts and gallons. It is easier to measure in mL , because it is already divided into the decimal system .
A cup is unit of volume measurement of the volume that is equal to the 16 tablespoons, 1/2 pint,1/4 quart or 8 fluid ounces. A US cup is nearly 237 mL. These both can be used to measure out the volume of the substances.
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How are animals
affected by succession?
Answers
Answer:
No clue
Explanation:
Animal are not permanent properties and can die any time or give birth.
Which of the following statements about the segment of dna below is true? 5’-ctatgggccattttttaacgggaggcccatgaa-3’ 3’-gatacccggtaaaaaattgccctccgggtactt-5’.
Answers
Answer:
-3
Explanation:
because when you do this math solution you get -3
A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point?
A.
the passengers on the ship
B.
the captain of the ship
C.
a lighthouse on a nearby island
D.
the cargo inside the hull of the ship
Answers
Answer:
C. A Lighthouse on a nearby island
Explanation:
The moving cruise ship from one island
Why is it important to understand that racial categories are based upon perceptions of phenotypic features (the observable characteristics), and not on genotype (genetic makeup)?
Answers
It is important to understand that racial categories are based upon perceptions of phenotypic features, not on genotype. This means that the classification of individuals into racial categories is primarily based on physical characteristics, such as skin color, hair texture, and facial features.
These features are observable and can vary among different populations. However, when it comes to genetic makeup, there is actually more genetic diversity within racial groups than between them.
This means that individuals from different racial categories can have more genetic similarities to each other than to individuals within their own racial category. Understanding this distinction helps to challenge and debunk the notion that race is a biologically determined concept.
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Why does the amount of energy DECREASE as you move up the pyramid?
It is absorbed by the sun
It is lost as heat
The animal vomits part of it's food
Answers
Answer:
It is the second option. Lost as heat.
Answer:lost at heat
Explanation: