what is natural immunity

Answer: radiant, chemical, mechanical, chemical, radiant

Explanation:

Sunlight - electromagnetic energy (radiant)

life - chemical energy

compression - chemical and mechanical energy

retrieve coal - mechanical

burning - chemical, radiant

Bacteria are generally classified into two major groups based on their ribosomal sedimentation rates: Gram-positive bacteria and Gram-negative bacteria.

The size of the ribosomes, which is normally determined by their sedimentation rate (i.e., how quickly they sink in a centrifuge), is one example of such a variation.

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Answer: Muscle

Explanation:

One of the potential problems by implementing marketable pollution permits is the risk of creating a market for pollution where companies can continue to pollute by purchasing permits instead of reducing their emissions.

Marketable pollution permits allow companies to purchase the right to pollute a certain amount, which can be traded on a market. While this system can incentivize companies to reduce their emissions and innovate to become more efficient, there is a risk that companies will simply purchase permits instead of making significant efforts to reduce their emissions. This could lead to an increase in pollution overall and may not effectively address the issue of reducing pollution.

Essentially, the potential problem with marketable pollution permits is that it could create a market for pollution where companies can continue to pollute as long as they purchase permits. While the system can incentivize companies to innovate and become more efficient, there is a risk that companies may not make significant efforts to reduce their emissions and instead rely on purchasing permits. This could lead to an increase in pollution overall and may not effectively address the issue of reducing pollution.

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Answer:

The wings of birds and bats.

Explanation:

The wings of birds and bats is the example of analogous structures. Analogous structures refers to those structures that are similar in those organisms that are unrelated or different to one another. The wing structures are similar in both birds and bats because they are evolved to do the same job which flying. It is not evolved because they were inherited from a common ancestor. These wing structure of both bat and bird look similar from the outside but internally they are totally different from one another.

Charles Darwin formed the hypothesis the origin of bipedalism came from shift from life in trees to life on the ground.

Charles Darwin was naturalist who gave a lot of concepts which help us understand evolution. He gave the concept of natural selection according to which only the species which posses characters which give them a survival advantage over the species survive in a population. Most of his experiences and understanding comes from his voyage on HMS Beagle.

Charles Darwin also formed an hypothesis about the origin of bipedalism. According to him, the origin of bipedalism is a result of the shift from life in the trees to life on the ground.

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Answer:

The central nervous system (CNS) controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.

Explanation:

Answer:

Main function-the interpreter of the environment and  control over body movement.

The central nervous system controls the body and mind. It has two parts, the brain and the spinal cord. The brain is the center of thoughts..

Answer:

the process by which amino acids are linearly arranged into proteins through the involvement of ribosomal RNA, transfer RNA, messenger RNA, and various enzymes.

Explanation:

Answer:

Living things are divided into five kingdoms: animal, plant, fungi, protist and monera. Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.

When Yui smells the smoke from the burning field, it triggers her body's response to a harmful situation. The smoke contains harmful particles that irritate her eyes and throat, causing her eyes to water and making it difficult for her to breathe.

This is because the smoke can cause inflammation in the respiratory system, leading to respiratory distress. It is important to take precautions when exposed to smoke, such as covering your mouth and nose, or avoiding the area altogether. If symptoms persist or worsen, seek medical attention immediately. It is essential to prioritize your health and safety in situations like this.
Yui's symptoms, such as watery eyes and difficulty breathing, are likely caused by the smoke from the nearby burning field. Smoke contains particulate matter and harmful chemicals, which can irritate the eyes, respiratory system, and mucous membranes. When inhaled, these particles and chemicals can trigger a physical response, including increased production of tears to flush out the irritants and difficulty in breathing due to the constriction of airways. In this situation, it's important for Yui to move away from the smoke source and seek fresh air to alleviate her discomfort and minimize potential health risks.

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Answer:

Option "C" Oxygen is the correct answer to the following question:

Explanation:

We know that, Just as a human absorbs oxygen into the body through inhalation, the oxygen enters into the whole body also in the blood and is used in the body by cells, so we can say that the human body needs a constant supply of oxygen. therefore, the appropriate option is true

false

Explanation:

they get most there nutrients from the sun I think.?

Orchids don't absorb nutrients through soil like many other houseplants. In their natural habitat, orchids live on trees and trap animal and plant matter and soil particles blown through the wind and absorb these nutrients through their roots.

1) The DNA database can be key in crime solving

2) I would not sign up for the voluntary database

A comprehensive DNA database could enhance law enforcement's ability to solve crimes by providing a larger pool of potential suspects and aiding in the identification of unknown individuals. It could help prevent future crimes and bring closure to victims and their families.

Some people may be willing to participate if they believe it would contribute to public safety and the greater good. Others may prioritize their privacy and choose not to participate, concerned about the potential risks associated with the collection and use of their genetic information. I would not sign up

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Answer:

1. Divide the area to be sampled into a grid using measuring tapes at right angles to each other.

2. Use random numbers to generate coordinates within the grid on which to place the quadrats.

3. Place a quadrat on each coordinate.

4. Count the numbers percentage cover of each species in quadrats.

5. Use a key to identify each species.

6. Record the results in a table.

7. Calculate the average of each species.

IT TOOK ME MUCH TIME TO WRITE IT .

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Answer:

spin yourself around. thats a rotating example.

Explanation:

The nervous system is divided in two parts:

The central nervous system (CNS)

The peripheral nervous system (PNS)

1. CNS

The CNS consist of the brain and the spinal cord and its main function is to integrate and command the body. It uses the information obtained from the entire body and uses it to coordinate the organism's activity.

The brain is located inside the skull and the spinal cord is located inside the vertebrae. This helps protect the CNS.

The tissue that conform the CNS is grey matter (consists of neurone cell bodies and their dendrites, glial cells and capillaries) and white matter (host the majority of axions which are the long cords that extend from neurons).

2.PNS

The PNS consists of nerves that branch fromm the spinal cord and cover the entire body. It is formed by 12 pairs of cranial nerves, 31 pairs of spinal nerves and some small neuronal clusters called gaglia.

The PNS is the connection between the CNS and the body.

The PNS has no bone protection

Together the CNS and the PNS form the nervous system and transmit signals between the brain and the rest of the body, controlling the ability to move, breathe, see, think and many more.

The 3 accessory organs of the nervous system are:

The meninges: it is a set of 3 membranes that cover the brain and the spinal cord.

The cerebrospinal fluid: it is a lymph-like fluid that acts as a protective cushion for the CNS.

Ventricles: these are cavities that contain ependymal cells and blood vessels

The bony thorax is made up of several structures that protect the vital organs in the chest. There are 12 pairs of ribs, each of which attaches to the thoracic vertebrae at the back and to the sternum at the front. The sternum, or breastbone, consists of three parts: the manubrium, the body, and the xiphoid process.

The clavicles, or collarbones, are also part of the bony thorax and help to support the shoulder girdle. Additionally, the thoracic vertebrae form the posterior aspect of the bony thorax and contribute to the overall shape and stability of the chest. All of these structures work together to protect the heart and lungs, as well as the other organs in the chest.
The bony thorax is a structure that protects the organs within the thoracic cavity. It is composed of three main structures: the sternum, ribs, and thoracic vertebrae. There is one sternum, which is a flat bone located in the center of the chest. The bony thorax also consists of 12 pairs of ribs, making a total of 24 ribs. These ribs are attached to the 12 thoracic vertebrae at the back of the thorax. In summary, the bony thorax is formed by 1 sternum, 24 ribs, and 12 thoracic vertebrae.

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Answer:

what's the question?

Explanation:

So I can help you luv♡

Answer:

we need to know the answers

Explanation:

Answer:

Explanation:

The answe is c

The step that allows Joaquin to use his imagination in this experiment is to decide which type of ball to use. The correct option is C.

An experiment is a process of constructing a result by using variables. The variables are manipulated and the effect of manipulation is observed in the result. Controls are frequently used in experimental designs to monitor system variability and look for error sources.

Joaquin is testing a ramp and a ball in his experiment. He is curious about how a ramp's slope will impact the ball's speed as it approaches the ramp's conclusion. Deciding first which type of ball should be used can help in imaging the effect of slope on the ball.

Thus, the correct option is C. Decide which type of ball to use.

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The actions that should be included when preparing a sterile field should NOT include things like exposing the sterile items to microorganisms and picking up items that fall outside the sterile field. Therefore, both options are false.

A sterile field is an area that is created by placing sterile (surgical) drapes around a patient's surgical site. There would be stands that hold sterile instruments and other needed items during surgery. A sterile field is created to reduce the number of microbes that are present around the area, reducing the risk of diseases and infections.

The sterile field must be established as close as possible to the time of the procedure. It also must not be left unattended. You are not allowed to sneeze, cough, laugh, or even talk over the sterile field.

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Carbohydrates in size from smallest to largest is monosaccharide ( single sugar), disaccharide( two or three sugar), Polysaccharide( polymers of many sugar in large chain). Thus, polysaccharide have largest chain of itself.

Cn(H2O)n is the basic formula for all carbohydrates . But this formula have limitation i.e it applies where same amount of carbon and water are use.

Initially the terms carbohydrate was used to describe compounds that have really contains carbohydrates.  Because they had simple formula CH20.

In modern Era carbohydrates are classified on the basis of their structure not on their formulae. Such as aldehydes and ketones are now known as polyhydroxy.

Therefore, carbohydrates in size from smallest to largest is monosaccharide ( single sugar), disaccharude( two or three sugar), Polysaccharide( polymers of many sugar in large chain). Thus, polysaccharide have largest chain of itself.

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In the body, the sulfur-containing amino acids cysteine and methionine are needed for protein synthesis.

If blood levels of calcium are too high, the secretion of the hormone calcitonin is reduced. Calcitonin is also secreted from the thyroid glands and acts mainly on bones to inhibit the release of calcium.

Sulfur-Containing Amino Acids for Protein Synthesis:

Proteins are fundamental building blocks of the body, involved in various vital functions. Amino acids are the building blocks of proteins, and there are 20 different amino acids that combine in different sequences to form a wide array of proteins. Two amino acids, in particular, contain sulfur: methionine and cysteine.

a) Methionine:

Methionine is an essential amino acid, meaning it must be obtained from the diet since the body cannot synthesize it. It serves as the starting point for protein synthesis. Methionine provides the necessary sulfur atoms required for the formation of other sulfur-containing compounds within the body. Additionally, it plays a crucial role in the initiation of protein synthesis by being the first amino acid incorporated into a growing protein chain.

b) Cysteine:

Cysteine is a semi-essential amino acid, which means it can be synthesized in the body but may require dietary intake under certain conditions. Cysteine contains sulfur and plays a vital role in protein structure and function. It can form disulfide bonds with other cysteine residues within a protein chain, contributing to the stabilization and folding of proteins.

These two sulfur-containing amino acids, methionine and cysteine, are necessary for the synthesis of proteins, which are involved in numerous biological processes, including growth, repair, and enzymatic functions.

Regulation of Calcium Levels and the Role of Parathyroid Hormone (PTH):

Calcium is a vital mineral required for various physiological functions, such as bone health, nerve transmission, and muscle contraction. The body maintains a precise balance of calcium levels in the blood through the actions of several hormones. One such hormone is the parathyroid hormone (PTH).

When blood calcium levels are too high, the secretion of PTH is reduced as a negative feedback mechanism to restore calcium homeostasis. PTH is primarily secreted by the parathyroid glands, which are small endocrine glands located near the thyroid gland in the neck. The main function of PTH is to regulate calcium levels by acting on bones, kidneys, and the intestines.

a) Inhibition of Calcium Release from Bones:

When blood calcium levels are elevated, PTH acts on the bones to inhibit the release of calcium. PTH decreases the activity of bone-resorbing cells called osteoclasts, which are responsible for breaking down bone tissue and releasing calcium into the bloodstream. By inhibiting the release of calcium from bones, PTH helps prevent excessive calcium accumulation in the blood.

b) Other Actions of PTH:

In addition to its effects on bones, PTH increases calcium reabsorption in the kidneys, reducing calcium excretion in the urine. It also enhances the production of activated vitamin D, which promotes calcium absorption from the intestines. Together, these actions help maintain optimal calcium levels in the blood.

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Answer:

a autonomic system

Explanation:

Answer:

-making teeth strong

-helping with muscle function

Explanation:

Calcium is a nutrient that all living organisms need, including humans. It is the most abundant mineral in the body, and it is vital for bone health.

The correct functions of calcium are:

Therefore, the correct options are A, B and D.

In the body, calcium plays an important role and supports a variety of processes. It is essential for strong teeth and bones as it provides stability and support. For muscles to contract, nerve impulses must be transmitted, and calcium plays an important role in this process.

Additionally, it helps regulate water balance, promoting optimal cellular hydration and fluid balance inside the body. However, calcium is not directly required for the synthesis of amino acids. Its many roles in skeletal strength, muscle activity and cellular hydration highlight how important it is to maintaining general health.

Therefore, the correct options are A, B and D.

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Your question is incomplete, most probably the complete question is:

What are some functions of calcium?

Select all that apply.

The first law of thermodynamics deals with the concept of energy conservation, while the second law of thermodynamics deals with the concepts of entropy and energy conversion efficiency.

The pyramid of energy, also known as the energy flow diagram, illustrates the derived energy found at successive energy levels of the organism or ecosystem. This diagram highlights how the primary energy source, such as solar radiation, is utilized and dissipated as energy flows through a system.

At every level, energy is lost through waste heat; only a fraction of the energy is transferred from one level to the next. For example, in the case of a plant, the sunlight provides energy for photosynthesis, which in turn provides, energy for the plant's growth and the creation of seeds. In this process, some energy is lost as waste heat.

Similarly, when a herbivore eats the plant, the plant's energy passes to the herbivore, but some of it is lost as waste heat. This phenomenon is known as the energy cascade, and it helps explain the flow of energy through an ecosystem.

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Changes to the geosphere, which includes the solid Earth, rocks, and minerals, can have significant impacts on the atmosphere, hydrosphere, and biosphere.

Earthquakes can cause landslides, which can alter the landscape and affect the habitats of organisms in the biosphere. They can also trigger tsunamis that impact the hydrosphere, and can release gases from the geosphere that affect the atmosphere.

Changes to the geosphere can also contribute to climate change, which can have far-reaching impacts on the atmosphere, hydrosphere, and biosphere. For example, melting of glaciers and polar ice caps due to global warming can lead to rising sea levels, which can impact coastal habitats and populations. Changes in temperature and precipitation patterns can also affect plant and animal populations in the biosphere.

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Growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.

Dr. budai has bad reaction to the new fern that contractors plan on introducing into the environment because it will be grown instead of flowering plants which is necessary for the survival of butterfly.

Removing the flowering plants and replace it them with ferns negatively affect the population of the butterfly and the new species because butterfly feeds on the nectar of the flowers whose removal decrease the population of butterfly and those species which feed on butterfly also adversely affected due to unavailability of food source.

The building of the hotel adversely affect the population of the new species because habitat of that species will be destroyed so we can conclude that growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.

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