Which is an example of how the peripheral nervous system helps the body maintain its internal environment?

Muscles produce keratin so that hair can grow stronger.
Sweat glands break down the food that is consumed.
Muscles contract rapidly to produce heat on a cold day.
The brain recalls information to help take a test.

Answer:

The hydrophobic tail turns away from water, and the hydrophilic head turns toward the water.

Explanation:

Answer:

Temperature, rainfall, and sunlight

Explanation:

The factors that determine the conditions in a  biome are as follows-

1) Temperature- Temperature plays an important role in controlling the conditions of a biome. In the equatorial region, the temperature is very high as it receives the maximum amount of sunlight, whereas, in the polar region, the temperature is relatively very low. So the type of biome that exists in the near-equatorial region is the desert biome and the tropical rain and the dry forest. As the temperature decreases with the increasing latitude, the biome changes, thereby occurring the Temperate biome and the Tundra biome.

2) Rainfall- Rainfall also plays a major role in determining a biome's condition. The areas that receives maximum rainfall are rich in the varieties of plant flora. So in this way, it helps in the growth of different plant species in a particular biome.

3) Sunlight- Sunlight also is equally important because it helps the plants to undergo the process of photosynthesis by absorbing Carbon dioxide, thereby releasing a huge amount of Oxygen that is beneficial for the existence of lives on earth.

The correct answer is Fern.

The producers are the green plants that use sunlight to make food by the help of green pigment called as chlorophyll by the process called as photosynthesis.

These plants are known as autotrophs because they make their own food and do not depend on other organism for their food.

Example: Green Plants

The correct term, which is used to describe the water coming from the sky due to the condensation of the water present in the cloud is precipitation.

The precipitation is the water, which comes in form of the rain, hail, snow, drizzle or sleet. This is one of the main sources of the water supply in the biome. The other types of water supply are ground water and the surface water.  

Final answer:

The behavior of pigments moving differently in plants is due to their unique properties of absorbing specific wavelengths of light while reflecting others. Chlorophylls and carotenoids, the major photosynthetic pigments, absorb and reflect different wavelengths, leading to their distinct movement patterns when subjected to experiments such as chromatography.

Explanation:

The question asks why some pigments in plants move further than others, despite having more than one color observed. This phenomenon can be attributed to the unique absorption and reflection properties of different pigments. Photosynthetic pigments, such as chlorophylls and carotenoids, are crucial in this process. Each pigment type absorbs only specific wavelengths (colors) of visible light and reflects or transmits the wavelengths they cannot absorb. Chlorophyll a, for example, absorbs light in the blue-violet region, while chlorophyll b absorbs red-blue light, and both reflect green light. Carotenoids absorb light in the blue-green and violet regions and reflect the longer yellow, red, and orange wavelengths. This selective absorption and reflection of light not only explains the varying colors of plants but also why certain pigments move differently in experiments like chromatography, where these differences in light absorption can cause pigments to travel at different speeds or distances when dissolved.

Answer:

Gizzard

Explanation:

The gizzard is the thick-walled muscular structure present in the earthworm. Its function is to grind the food into smaller pieces with the help of sand grains and to soften it. Earthworm intake sand grains along with food.  

Birds also have thick and muscular gizzard. The function is the same as in earthworm, that is, to carry out mechanical digestion of food with help of gravel that birds swallow along with their food and to make it soft.

Freediving involves diving without scuba gear, and divers must manage pressure and buoyancy without the aid of equipment. Rapid ascent can cause decompression sickness due to the formation of gas bubbles in the blood. Hyperventilation prior to diving can change CO2 concentration in the blood.

Freediving is an activity where a person dives underwater without the use of scuba gear, often holding their breath for extended periods. Factors such as pressure, buoyancy, and gas solubility play significant roles in the diver's experience underwater. When divers descend, pressure increases, causing the body's air pockets in the ears and lungs to compress. During ascent, these air pockets expand due to decreased pressure. Rapid ascents can lead to decompression sickness, also known as the bends, as dissolved gases in the blood become bubbles, causing various medical conditions. Therefore, divers need to ascend slowly or make several decompression stops.

Hyperventilation before diving can change the concentration of CO2 in the blood. However, no matter the methods used to prepare for a dive, challenges such as decompression sickness and the physiological changes brought on by pressure changes are complex and intriguing areas of research in the field of diving biology.

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The proteins and carbohydrates are the two of the four biological macromolecules. The proteins and carbohydrates are the polymers made of the monomeric units amino acids and monosaccharides, respectively. When during the process of digestion, these macromolecules are broken up, they lead to the formation of their constituting monomeric units. The breaking down of carbohydrates yield monosaccharides, and the breaking of protein yields amino acids.

Hence, the blanks can be filled with 'monosaccharides and amino acids' respectively.

Answer:

B. differential reproductive success caused by genetic variation is necessary for the process of natural selection.

Explanation:

Natural selection is the process wherein individuals with adaptive genetic variations are favored. Genetic variations are present among the individuals of a population. Individuals with adaptive genetic variations survive more and reproduce to leave more progeny. Their progeny also carries the selected adaptive genetic variations.

Over the generations, the population evolves into a population with more number of individuals carrying those beneficial genetic variations.

Since natural selection favors the individuals with the genetic traits that make them better adapted to prevailing surroundings, it leads to the evolution of populations.  

Answer:

Decision support system.

Explanation:

EHR is the digital record of a person's health information. This record is designed so that it can be shared with all providers involved in patient care. The EHR contains all health records of the data subject. These records can be easily accessed and used by the same person to help make treatment and medical decisions. For this reason, we can say that in the case of the above question, when the EHR reported that the patient had already done a CT scan, he was running his decision support system to expedite the diagnosis and treatment of the patient.

Type 1 diabetes can be managed by taking injections of insulin.   Both types of diabetes can be managed by eating healthy and being physically active.  Both types of diabetes can be managed by controlling blood pressure and cholesterol levels.

Answer:

To provide energy to build new cells and tissue

Explanation:

Answer:

Only 1/3 of US doctors are specialists and subspecialists.

Explanation:

An expert doctor is one who works with a specific field of medicine (such as an endocrinologist who deals only with hormonal issues, for example). A subspecialist doctor is another doctor who specializes in some organ or, what is often occurring, some specific disease.

This type of professional requires a long time of study and a great economic expense with the academic specialization, therefore, there are fewer specialist doctors and subspecialists than genealogical doctors, as general practitioners, who although they study a lot, can practice the profession in a shorter time period. It is estimated that only 1/3 of doctors in the US are specialists and subspecialists.

The nursing implications for a client receiving echocardiography with Doppler flow studies include providing client education, assessing for contraindications, offering emotional support, and monitoring for adverse reactions.

When a client receives echocardiography with Doppler flow studies, there are several nursing implications to consider. Firstly, the nurse should ensure that the client is well-informed about the procedure and its purpose. They should also assess the client for any contraindications, such as allergies to ultrasound gel. During the procedure, the nurse should assist the client in assuming the appropriate position and provide emotional support. After the procedure, the nurse should monitor the client for any adverse reactions and provide any necessary post-procedure care.

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Answer: Poisonous abiotic factors poses a greater threat to the entire human species.

The abiotic factors are the non-living components of the environment. The life of biotic (living) factors is dependent upon these abiotic factors. The abiotic factors includes water, air, soil. Natural or human induced changes in the abiotic factors can be responsible for human population destruction on a large scale. Water being an abiotic component, the life of different life forms including humans is dependent upon it. Water sources (river, lakes, ponds) if contaminated due to human activities like agriculture and industrial wastes, water transportation wastes which are left in water body. These waste pollutants can be poisonous and produces deleterious effects on human population after consumption hence, may lead to mass elimination of human population. Air may get polluted with poisonous gases like nitrogen, sulphur dioxide, methane, carbon monoxide, carbon dioxide, chlorofluorocarbons. These gases releases as vehicular pollutants, green house gases, natural gas explosion, volcanic eruption can be responsible for mass destruction. Therefore, poisonous abiotic factors poses a great threat to the entire human species.  

Answer:

Evolving.

Explanation:

The Hardy-Weinberg equilibrium emphasizes that if evolutionary factors such as natural selection, mutation, migration and genetic oscillation do not act on a given population, gene frequencies and genotypic proportions will remain constant. This means that if there are, for example, alleles B and b in a population, they do not change their rates over a long period of time. These rates would only change if evolutionary mechanisms occurred.

For this reason, we can say that "evolving" is the term that can be applied to a population that is not in Hardy-Weinberg equilibrium.