why do modern humans have misaligned teeth? group of answer choices the development of agriculture a diet of harder foods the development of larger jaws an increased emphasis on foraging food
Answers
The development of agriculture. The introduction of softer, sweeter foods than what our predecessors normally ate has changed the oral environment, which is largely to blame for modern dental diseases.
Genes can play a role in tooth alignment. Some disorders that can run in your family include crowding, jaw size, jaw shape, hyperdontia (having too many teeth), overbites, underbites, Agriculture and poor tooth or palate development. Nine out of ten people have teeth that are slightly out of place or maloccluded, and 75 percent of us have wisdom teeth that are unable to fully erupt. In other words, our teeth don't fit in our jaws.
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Related Questions
heparin is a naturally occuring anticoagulant produced by
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Heparin is a naturally occurring glycosaminoglycan produced in the body by basophils and mast cells
is hypotonic active or transport
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which of the follow nerves innervate the most important abductor of the arm? group of answer choices axillary nerve thoracodorsal nerve lower subscapular nerve suprascapular nerve
Answers
Both the motor and sensory nerves halves of the axillary nerve are innervated. It has motor fibers in arm that innervate the teres minor muscle, which enables lateral rotation of the glenohumeral joint, as well as the deltoid muscle, which acts as the shoulder joint's abductor, flexor, and extensor.
The axillary nerve, commonly known as the circumflex nerve, is one of five peripheral nerves that cross your shoulder. The brachial plexus, in your neck, is where axillary nerves begin (a network of nerves in your shoulder). Your upper limbs' movement and feeling are made possible by this network of nerves.
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How do superantigens enable pathogens to hide from the immune system if they actually stimulate the immune system? They cause the immune system to produce an exaggerated response, distracting it from the actual pathogen. They cause fever, which destroys the complement proteins. They cause the immune system to destroy IgA antibodies. They cause the immune system to turn on itself.
Answers
Answer: They cause the immune system to produce an exaggerated response, distracting it from the actual pathogen.
Explanation:
Superantigens are a type of bacteria that suppress the immune system by excessively activating it. They cause the creation of non-specific T-cells which then causes the body to look for other organisms apart from the pathogen.
With the immune system distracted, the pathogen then infects the body thereby making these pathogens particularly dangerous.
usually, a river ________ at its source compared to farther downstream.
Answers
There can be many answers for these king of question for eg:- Its wider
What acceleration would be produced if a 25 N force acts on a 5.0 kg mass? (a = F/m) *
Answers
Answer:
5 m/s
Explanation:
Using the formula, the force is 25 N, and the mass is 5 kg.
Simply divide 25/5.0
Then, you would get 5 m/s
I hope this helps.
How can observing different fossils in the stratum layers help give evidence for evolution?
Answers
Observing different fossils in the stratum layers can help provide evidence for evolution by showcasing the chronological order of species' appearance, morphological changes, and extinction events.
The stratum layers refer to the layers of the epidermis, which is the outermost layer of the skin. The epidermis is made up of four or five distinct layers, depending on the location of the body. The layers, from the deepest to the most superficial, are the stratum basale, stratum spinosum, stratum granulosum, stratum lucidum (only present in thick skin), and the stratum corneum. Each layer plays a specific role in the function of the skin, such as the stratum corneum, which provides a protective barrier against environmental stressors, and the stratum basale, which is responsible for producing new skin cells. Understanding the layers of the epidermis is important for the diagnosis and treatment of various skin conditions.
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Changes in environmental conditions always result in new ecosystems and loss of biodiversity characterized by an increase in the number of some species, the evolution of new species, and the extinction of some species.
Answers
Changes to the environmental conditions can indeed result in new ecosystems and a change in the species equilibrium.
Ecosystem disruptionThe abiotic conditions of an ecosystem determine the kind of species that will inhabit the ecosystem
A change to the abiotic or environmental conditions will likely result in a new ecosystem entirely. Organisms that are able to adapt to the changes will gradually fade off the ecosystem while those that are able to withstand the changes will proliferate and dominate the populations of organisms in the ecosystem.
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The regulatory hormones that control the anterior pituitary gland arrive from the hypothalamus by way of the ______.
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The regulatory hormones that control the anterior pituitary gland arrive from the hypothalamus by way of the hypophyseal portal system. The hypophyseal portal system consists of a network of blood vessels that connects the hypothalamus and the anterior pituitary gland.
The hypothalamus produces specific releasing and inhibiting hormones that are released into the capillaries of the hypothalamus. These hormones then travel through the hypophyseal portal veins to reach the anterior pituitary gland.
Once in the anterior pituitary, these hormones bind to specific receptors on the cells, stimulating or inhibiting the release of various hormones from the anterior pituitary gland.
This system allows for precise control and communication between the hypothalamus and the anterior pituitary gland, ensuring the regulation of hormone production and secretion to maintain homeostasis in the body.
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When you use electricity in your home, which resources are powering it? Research the energy resources used to power your state’s electrical grid (that’s what supplies your home with electricity). In the space below or on a separate sheet of paper, create an informative handout to provide to the people of your state.
Include the following information in your handout:
• Which state do you live in?
• What is the population of your state?
• What percent of the electricity in your state comes from
nonrenewable resources?
• What percent of the electricity in your state comes from
renewable resources?
• What percent of the electricity in your state comes from
nuclear energy?
• Which renewable resource is used the most in your state?
• What is an interesting fact about energy usage in your state?
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Answer:
Comment which state you live in an I'll be able to help
Explanation:
ercw getghtecrhertytg
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Djnfb jrnfjnf kdjnfn jfooie. dinner jrnr t b t t t nt t
Which of the following is a feature of osteoporosis? It causes significant alterations in the blood levels of parathormone and calcitonin It is most common in men over 45 years of age It is impossible to detectable using blood tests It results from short-term deprivation of dietary calcium It affects about 30 million people in the U.S. How do certain polyphenols prevent iron absorption? Binding to and chelating iron from the diet Preventing uptake of iron by mimicking the structure of iron Destroying transferrin Causing rapid loss of ferritin What is the major cause of iron deficiency? Blood loss from parasitic infections of the GI tract Sweating in humid conditions Hereditary defect Exposure to environmental toxins Blood loss Which of the following are good sources of dietary calcium? Berries and some tree fruits Enriched grains Pasta and rice Low fat dairy products, Dark green leafy vegetables like spinach and Swiss chard
Answers
Osteoporosis is a disease that results in weak and brittle bones. This makes bones easily breakable. The correct option among the given options is: It affects about 30 million people in the U.S.The disease, osteoporosis, is characterized by brittle and fragile bones that break easily. It's impossible to detect using blood tests.
Calcium deprivation in the short term causes it. The disorder is most common in women over the age of 50, but it can also affect men. It is possible to prevent osteoporosis by incorporating calcium into the diet. Polyphenols are plant compounds that have a variety of health advantages. They are found in various types of plants, including fruits, vegetables, tea, and red wine. Polyphenols are broken down in the large intestine by gut bacteria. This allows the creation of many chemical compounds that have various effects on the body. Certain polyphenols can prevent the absorption of iron. This occurs by binding to and chelating iron from the diet. As a result, the polyphenols protect cells from free radical damage caused by iron by reducing the quantity of iron in the bloodstream.
Polyphenols are also known to influence the transport of iron in the body. Blood loss is the primary cause of iron deficiency. It might be due to parasitic infections of the GI tract or menstruation in women. Sweat and environmental toxins do not cause iron deficiency, while hereditary defects might cause anemia. Dietary iron deficiency is caused by a lack of iron in the diet. Dairy items like cheese and milk are excellent sources of calcium. They're also found in fortified cereals, leafy green vegetables, almonds, and fish. The body demands calcium to maintain healthy bones and teeth. It also has a variety of other functions in the body. Calcium is present in a variety of foods, and a well-balanced diet should supply the necessary amount of this mineral.
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NEED URGENTLY PLEASE PLEASE HRAINLIEST AND 30 POINTS
why there was a 163 year gap between the discovery of cells and the development of the cell theory
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Answer:
The discovery of cells by Robert Hooke in 1665 and the development of the cell theory by Matthias Schleiden and Theodor Schwann in 1838-1839 were separated by a 163-year gap because the scientific method and technology during this period did not allow for the systematic study and understanding of cells and their functions.
After Hooke's discovery of cells in cork, the scientific community was not immediately able to recognize the importance of the discovery. It took several decades for scientists to recognize that all living organisms were composed of cells, and this realization paved the way for the development of the cell theory.
The study of cells was also limited by the lack of proper technology and equipment during this period. Microscopes were not yet advanced enough to allow scientists to see the fine details of cells, and it was only with the development of more powerful microscopes in the 19th century that scientists were able to study cells in greater detail and develop the cell theory.
Furthermore, scientific progress during this time was slow due to the lack of collaboration and communication between scientists, as well as the limited funding and support for scientific research. It was only with the establishment of scientific societies and universities in the 19th century that scientific research became more systematic and collaborative, leading to the rapid advancement of scientific knowledge, including the development of the cell theory.
When looking at the 10-print card - what is the only type of print that you count? Question 3 options: Whorl Delta Loop Arches
Answers
Answer:
Whorls
Explanation:
I just finished the quiz and got the answer correct when I selected whorls.
In Mendel's first set of experiments, he crossed pure-breeding plants with
different forms of the same trait. Which of the following statements
summarizes his results from these experiments?
A. In each case, 100% of the offspring presented what Mendel called
the recessive trait.
B. In each case, about 50% of the offspring presented each form of
the trait.
C. In each case, 100% of the offspring presented what Mendel called
the dominant trait.
OD. In each case, about 75% of the offspring presented what Mendel
called the dominant trait.
Answers
Answer:
C
Explanation:
CccccccccccccccccccccccccCcc
Put the following in correct order for endochondral ossification.
a. Mesenchymal cells of the embryo develop into cartilage-producing cells
b. The periosteum (formerly perichondrium) begins to produce a thin layer of compact bone
c. A hyaline cartilage model of the future bone is formed.
d. Cartilage is the midregion of the model becomes calcified.
e. Spongy bone tissue develops at the primary ossification center.
f. Secondary ossification centers produce spongy bone tissue of the epiphyses.
g. Medullary cavity is formed.
Answers
G
C
D
E
F
B.
what is the difference between neutrons and electrons and protons
Answers
Answer:
they all have different charges
protons-positive
neutrons-neutral
electrons-negative
Germs that cause diseases?
Answers
Answer:
There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses. Bacteria are larger than viruses.
Explanation:
In order to be considered part of the phylum Chordata, an animal must have a backbone. What other characteristics does this phylum share? Complete digestive system, lack of segmentation, and true body cavity No central brain, incomplete body cavity, and radial symmetry Exoskeleton, jointed feet, and simple nervous system Complete body cavity, segmentation, and bilateral symmetry
Answers
Answer:
Complete body cavity, segmentation, and bilateral symmetry
Explanation:
In conjuction with possessing a backbone, chordates also have a complete body cavity, segmentation, and bilateral symmetry. They possess a complete true body cavity called the coelom. They also exhibit heteromeric segmentation wherein the links between segmented regions are inconspicuous. And they majorly possess bilateral symmetry; being divisible into symmetric halves.
Answer:
Complete body cavity, segmentation, and bilateral symmetry
Explanation:
Took the test.
Most pond organisms live in shallow water because
A. the water is warmer.
B. the water is cleaner.
C. there is more oxygen.
D. there is less shelter.
Who ever answers first and of course is correct will get brainliest
Answers
Answer:
it is oxygen
Explanation:
i aced biology this should be the answer when i did my exams
What is the purpose of a dichotomous key of the sort you might find in a field guide? check all that apply.
a. to determine what sort of field you are located in
b. to identify species in the wild
c. to measure the magnetic or electric field of an organism
d. to compare species to each other
Answers
The purpose of a dichotomous key of the sort you might find in a field guide is :
to identify species in the wildWhat is meant by dichotomous key ?Since "dichotomous" refers to something that is divided into two parts, the dichotomous keys always offer two options based on the essential traits of the organism at each step. The user will be able to identify the name of the organism at the conclusion by accurately making the right decision at each stage.
The most popular method for classifying plant and animal species according to their traits is to utilize dichotomous keys. In addition, they can be used to identify minerals and, in theory, any kind of object that can be recognized by a predetermined set of observed properties.
The key should contain only dichotomous elements. Never perform a trichotomy. Each couplet must contain two contrasting, alternate qualities. Use stark contrasts.
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Answer:
2.to identify species in the wild
4.to compare species to each other
Explanation:
does anyone know the answer?!?
Answers
Since PNR copies DNA, which viruses also do, they can draw parallels between the pathogens and establish a link to a particular class of virus.
How do bacteria defend against viruses?A naturally existing genome editing system used by bacteria as an immunological defence, CRISPR-Cas9 was modified from it. When a bacterium becomes infected with a virus, it snares tiny bits of the virus' DNA and inserts them into its own DNA in a specific manner to form segments known as CRISPR arrays.
The work demonstrates that bacteria possess swappable genetic components created especially for viral defence, enabling a bacterial population to adjust its innate immunity astonishingly swiftly. Many bacteria protect themselves from phage infections by using a system called CRISPR-Cas. By incorporating a brief segment of phage DNA into the bacterial cell's own genome as a "spacer," this method safeguards the bacterium.
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wolves were exterminated from yellowstone national park in the 1920s and reintroduced in the 1980s. after their reintroduction, park rangers noticed a dramatic increase in the numbers of aspen, cottonwood, and willow trees. wolves eat beavers, and beavers eat aspen, cottonwood, and willows. what does this illustrate? answer unselected the role of beavers as predators unselected the role of plant adaptation unselected the role of wolves as a keystone species unselected the role of beavers as a keystone species unselected the role of wolves as predators
Answers
Beavers eat aspen, cottonwood, and willows, and wolves eat beavers. This shows how important wolves are as a keystone species.
A species that has a significant impact on the functioning of an ecosystem is known as a keystone species. The ecosystem would either cease to exist or undergo significant change without its keystone species.
There is minimal useful overt repetitiveness in cornerstone species. This demonstrates that no other species would be able to occupy its ecological niche if the species disappeared from the ecosystem.
The environment would have to change a lot to accommodate the arrival of new, potentially invasive species.
Any kind of creature, including fungi and plants, can be a keystone species; In most ecosystems, they are not the largest or most numerous species.
Despite this, virtually all examples of keystone species are those that have a significant impact on food webs. These species may have different effects on food webs depending on their habitat.
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HELP ME I PROMISE ILL GIVE YOU ANYTHING
Answers
Function : DNA Storage
It’s is the room where blue prints are kept
Mitochondrion
Function : Energy production
It’s is the power house
Rough Endoplasmic Reticulum (RER) function :Protein production; in particular for export out of the cell
It’s Primary production line - makes the toys
Lysosome
Function : protein destruction
It’s Recycling and security
Read the article and use the information to answer the following question. Movement Explain how bones attach to each other and to muscles and how this aids movement.
Answers
The bones attach to each other and to muscles are done with the help of the Ligaments and Tendons- Connective Tissues.
There are two main connective tissues in our Musculoskeletal system which serve in joining the structures (bones and muscles) together and with each other.
Tendons provide the function of joining the muscles to the bone.Ligaments provide the function of joining the ends of the bones that make up joints.Both muscles and bones work together to help the body move. The word "origin" refers to the fixed end of a bone whereas "insertion" refers to the moveable end. As a muscle contracts, it applies pressure to the tendon, which then transmits that pressure to the bone, pulling it in the direction of the action. Ligaments both maintain the integrity of the bones and limit their range of motion.
Tissue that provides structure, support, and protection to other human tissues and organs. In addition to helping to transport nutrients and other substances between tissues and organs, connective tissue also helps to store fat and mend damaged tissue.
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Complete question:
Explain how bones attach to each other and to muscles and how this aids movement.
DNA Bases - A code for the ______ in your cells
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Name the organs of the respiratory system
Answers
Answer:
Explanation:
Nose.
Mouth.
Larynx.
Pharynx.
Lungs.
Diaphragm.
Answer: The organs of the respiratory system are
Nose
Mouth
Throat (pharynx)
Voice box (larynx)
Windpipe (trachea)
Large airways (bronchi)
Small airways (bronchioles)
Lungs
Explanation:
Plz mark as Brainliest
Hope this helps :)
Many eukaryotic genes are flanked by a nucleosome-_____which is a site that is missing nucleosomes.
free region
Answers
Many eukaryotic genes are flanked by a nucleosome free region which is a site that is missing nucleosomes.
Nucleosomes are the abecedarian structural factors of chromatin, which is the combination of DNA and proteins that constitutes the chromosomes within a eukaryotic nexus. Each nucleosome is made up of a core flyspeck that contains two clones of each of the histone proteins H2A, H2B, H3, and H4, as well as 146 base dyads of DNA wrapped in a left- handed superhelix. Linker DNA is the DNA that connects nucleosomes and is generally 20- 60 base dyads in length.
The placement of nucleosomes along the DNA isn't arbitrary, and it's told by a variety of variables similar as DNA sequence, chromatin remodelers, and histone variations. Several natural conditioning, including gene expression, DNA replication, and DNA form, are affected by nucleosome placement.
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A basic DNA-matching method is used by a regional police force to try to identify criminals. This method has a one in 11141 chance of indicating a match between two samples even when they actually come from different individuals. Assume that the probability of a match is the same for any pair of samples from different individuals, and that the events of different individuals matching an unrelated sample are independent. The police force has a DNA sample from a crime scene and also has a bank of DNA samples from 36485 members of their community. However, the truth is that none of these people had anything to do with the crime. What is the probability that the method finds a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples?
Answers
The probability that the basic DNA-matching method finds a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples is 0.314 (approximately).
Let P be the probability that a single sample does not match with the crime scene DNA. Then the probability that all 36485 samples do not match is P^36485, and hence the probability that at least one sample matches is 1 - P^36485. From the problem, we know that the chance of a false match is 1/11141, which is approximately 0.00008959.
Hence, P is approximately 1 - 0.00008959 = 0.99991041.Therefore, the probability that at least one sample matches is 1 - P^36485, which is approximately 0.314 (rounded to three decimal places). Thus, there is approximately a 31.4% chance that the DNA-matching method will find a match between the crime scene DNA and at least one person whose DNA is stored in the bank of samples.
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To which kingdom does E. coli belong?
A Fungi
B. Protista
C. Archaebacteria
D. Eubacteria
syy
Answers
E.Coli belongs to the eubacteria kingdom. E. Coli also belongs to the bacteria domain, the proteobacteria, and the coli species.
The well-known bacterium Escherichia coli (also known as E. coli) is a member of the phylum Eubacteria. Therefore, the correct option is D.
It is found mostly in the intestines of warm-blooded animals, including humans, and is important for digestion and vitamin synthesis. While most E. coli strains are not harmful, some can result in infections and diseases that are spread through food.
E. coli is a common organism that is also easy to grow in laboratories, making it a valuable model organism for scientific study. Its genome has been studied significantly, advancing genetic engineering, biotechnology, and medical research. Understanding the genetic structure and cellular processes of E. coli has shed light on the larger bacterial community, advancing both scientific knowledge and public health initiatives.
Therefore, the correct option is D.
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