Does loess help to form very fertile soil
Which cell is the body’s primary defense against parasitic invasion?
What statement correctly describes a phospholipid in the plasma membrane
Answer:
The hydrophobic tail turns away from water, and the hydrophilic head turns toward the water.
Explanation:
What is the name given for genetic changes in living things overtime
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.
Muscles contract rapidly to produce heat on a cold day. Thus the correct option is C.
What is the peripheral nervous system?The peripheral nervous system is all the nerves that branch out from the CNS components and extend to other parts of the body to the sense organs, muscles, and glands. The PNS connects the central nervous system to the rest of the body.
The primary function of the peripheral nervous system is to connect the brain and spinal cord to the rest of the body and the external environment. The peripheral nervous system transmits information to and from the CNS.
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An adult client has a large number of nevi on her neck and back. how should the nurse best interpret this assessment finding
What fraction of u.s. physicians out of total physicians are specialists and subspecialists?
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.
Many of the plant catalog pages or _____ sketches of plants can still be viewed at museums because of there beautiful detail and exact color variation
John, a 78 year old male patient in a hospital is referred to a pulmonary specialist for a consult on his breathing problems. the specialist orders a ct scan of the lungs and is alerted by the ehr that a ct scan was performed 1 week ago. this alert is designed to prevent duplicate testing and is part of which essential ehr component?
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.
Which of these is a producer? moth mushroom fern cheetah
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
Is it necessary to keep the concentrations of the two solutions the same?
Birds and earthworms have a _____ that stores and softens food.
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.
Read the description, then decide which group this animal belongs to:
In shallow water at the beach, Manuel saw an animal whose body was protected by hard plates. Its body also had radial symmetry. The animal pumped water into its tube feet to move.
A.
arthropods
B.
echinoderms
C.
mollusks
D.
sponges
Natural selection causes changes in populations of organisms, not individual organisms, because A. differential reproductive success caused by acquired behaviors is the most important mechanism of natural selection. B. differential reproductive success caused by genetic variation is necessary for the process of natural selection. C. organisms within sexually reproducing populations can only pass on genes that reduce their reproductive success. D. organisms within sexually reproducing populations all have the same genetic information and the same likelihood of survival.
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.
Freediving is an activity in which a person dives, sometimes to great depth, without the use of scuba gear. the diver must hold his or her breath for the duration of the dive. (the record depth, with no equipment such as diving fins, is 101 m; the official record time is over 11 minutes.) historically, freediving has been used by pearl divers and sponge divers. some freedivers hyperventilate (breathe rapidly and deeply) before diving. hyperventilation can change the concentration of co2 in the blood and may inc
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.
Explanation: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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What is chemical energy? How does radiant energy transform into chemical energy?
20 POINTS!
Which term can be applied to a population that is not in Hardy-Weinberg equilibrium? large stable stagnant evolving
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.
Would you expect that anions would be physically closer to the oxygen or to the hydrogens of water molecules that surround it in solution?
Proteins and carbohydrates perform various functions in the body. They are needed for the proper development and growth of the body. Breaking carbohydrates into their subunits will yield _____ as products. Breaking down proteins will yield _____as products.
Monosaccharides
amino acids
fatty acids
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.
(01.01 LC)What type of questions cannot be solved by scientific methods?
What poses a greater threat to the entire human species; poisonous abiotic factors or poisonous biotic factors? And why?
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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.
True or false the barfoed's test and the benedict's test indicate similar
In a biome, what term refers to the natural supply of water in the form of rain?
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.
Compare the basic treatments for type 1 and type 2 diabetes
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.
Pow! a firecracker explodes close to you. your mouth drops open in surprise, a movement known as:
Select all that apply. Which of the following factors determine conditions in a biome? population density temperature carrying capacity rainfall sunlight
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.
Iowa, illinois, and indiana would experience clouds caused by all of the lifting mechanisms, except _____.
What is one of the primary functions of this food in the body?
Answer:
To provide energy to build new cells and tissue
Explanation:
Why do you think that some biomes have experienced so much more habitat loss than others
________ is the process of breaking down decisions into smaller parts.