1. List any three reasons why you would think that you are sick and ought to see a

doctor. If only one of these symptoms were present, would you still go to the doctor?​

Answer:

1. Neurons

2. White blood cells

3. Epithelial cells

4. Red blood cells

5. Muscle cells

Explanation:

Answer:

diversity throughout all living organisms

Mutations within the DNA sequence of an organism can result in alterations that are harmful to an organism, resulting in alterations that do not affect the organism. Therefore option c is correct.

Mutations within the DNA sequence of an organism can result in a range of outcomes.

Some mutations can be harmful, leading to changes in protein structure or function that negatively impact the organism's survival or reproductive success.

Other mutations may have no significant effect on the organism, particularly if they occur in non-coding regions or are "silent" mutations that do not change the amino acid sequence.

Additionally, mutations can be beneficial, providing advantageous traits that enhance the organism's adaptation to its environment or improve its reproductive fitness.

The variability in mutation outcomes is a fundamental driver of genetic diversity and evolution in populations.

Therefore option C all of the above is correct.

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Answer:

to help it grow i think

Explanation:

Two types of farming in Central America are Slash and burn Farming.

Define farming.

Managing a biological process, such cultivating crops or caring for livestock, in order to harvest products or reproduce a biological means of production, is often involved in farming, which is the typical activity that takes place on a farm.

Burn and slash Food is typically grown through agriculture, which involves clear-cutting wild or forested land and setting fire to any residual plants. The ash that results is nutrient-rich, helping to fertilize crops on the freshly cleared area.

A type of shifting cultivation is slash-and-burn, which refers to an agricultural system in which farmers frequently move from one cultivable area to another. Slash-and-burn agriculture is one of the only types of agriculture that can be used in tropical regions due to the leached soil, which is extremely nutritionally deficient in places like the Amazon. Instead of cultivating a single crop, slash-and-burn farmers typically plant a variety of crops, which increases biodiversity by fostering mosaic habitats. Other than a brief temporary patch, traditional slash-and-burn does not harm the ecosystem in its entirety. You could think of slash-and-burn farming as a type of agroforestry.

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Answer: D

Explanation:

The terms that the student uses - class, order, and family - are all words that are used to describe species. Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world.  

The correct option is "D" which is anatomy taxonomy, as she writes that all bears belong to the class Mammalia, Order Carnivora, and the Family Ursidae.

Anatomy is of restricted value for distinguishing species as groups of less than specific rank because the differences between them are usually quantitative rather than qualitative.

Anatomy from the backbone of taxonomy.

Thus, the correct option is "D" which is Anatomy Taxonomy, all bears belong to the class Mammalia, Order Carnivora, and the Family Ursidae.

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Answer:

reproduction and growth

Explanation:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.

When researchers compare a gene in closely related species, they can look at the number of replacement substitutions (changes in the DNA sequence that result in a different amino acid in the protein) and silent substitutions (changes in the DNA sequence that do not result in a different amino acid in the protein).

If replacement substitutions outnumber silent substitutions, it suggests that positive natural selection has taken place. This is because positive natural selection favors changes that improve the function or fitness of a protein, and these changes are more likely to result in replacement substitutions than silent substitutions. In contrast, if neutral evolution or purifying selection were the main driving forces, we would expect to see more silent substitutions than replacement substitutions. Therefore, the observation of more replacement substitutions is a logical inference that positive natural selection has taken place.

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Answer:

Mutualism is where both organisms benefit, commensalism is where one benefits but the other organism isn’t harmed, and lastly, parasitism is where one organism benefits and the other is harmed. The various species found within a single ecosystem can relate to each other in a variety of ways. The terms mutualism, commensalism, parasitism and symbiosis all refer to the various ways that species within an ecosystem can interact with one another.

Explanation:

Answer:

Claim: Increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur.

Evidence: The data table shows the results of eight trials where the amount of foliage was manipulated. In all trials, regardless of the amount of foliage (whether "lots" or "some"), the final number of slinquettes with red, short fur remained at 0. There were no instances where increasing the foliage resulted in an increase in the population of slinquettes with red, short fur.

Reasoning: The evidence from the data table supports the claim that increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur. This suggests that the presence or absence of foliage does not have a significant impact on the population of slinquettes with red, short fur.

Based on the provided data, it is reasonable to infer that factors other than foliage, such as temperature, fur color mutation, and fur length mutation, may have a stronger influence on the population dynamics of slinquettes. These factors could be responsible for the observed patterns in the data.

It's important to note that the reasoning provided here is based solely on the given data and analysis. In a real scientific investigation, additional factors, experimental controls, and statistical analysis would be required to draw definitive conclusions.

Answer:

I.

4) The deoxygenated blood then travels through the veins and enters the right side of the heart.

1) The blood leaves the heart through the aorta.

2) The blood travels throughout the body via the arteries to the capillaries.

3) In the capillaries, the exchange of nutrients and gases occurs. Oxygen is absorbed by the cells while carbon dioxide is released into the blood.

II.

2) Exchange of gases happens as oxygen is received by the blood and carbon dioxide is released.

1) The deoxygenated blood flows from the right side of the heart to go to the lungs.

3) The oxygenated blood then returns to the left side of the heart.

Explanation:

Sedimentation has been identified as a primary stressor for the existence and recovery of coral species and their habitats. Sediment deposited onto reefs can smother corals and interfere with their ability to feed, grow, and reproduce.

Paper chromatography is an efficient method since it uses little material and is relatively quick. The partitioning principle is used in paper chromatography for separations. Substances are divided between a stationary phase and a mobile phase in paper chromatography.

An analytical technique for separating coloured compounds or substances is paper chromatography. Since alternative chromatography techniques like thin-layer chromatography have taken its place in the laboratory, it is now largely utilized as a teaching tool (TLC). Two solvents are used in two-dimensional paper chromatography, which rotates the paper 90 degrees between solvents. This is helpful for sorting out complicated mixtures of chemicals with comparable polarity, like amino acids. There are three parts to the setup. A solution that rises the stationary phase as a result of capillary action is known as the mobile phase. The stationary phase typically consists of polar inorganic solvent water, while the mobile phase typically consists of a combination of non-polar organic solvents. In this instance, the stationary phase, water, is supported by paper. Polar water molecules are trapped in the cellulose network of the host paper's empty space. In contrast to paper chromatography, which uses less absorbent paper as its stationary phase, TLC uses a layer of adsorbent (often silica gel or aluminium oxide) as its stationary phase.

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Answer:

A plant cell have a vacuole, chloroplasts and A cell wall

Vacuole - Gives the cell shape

Chloroplasts - Contain a green pigment (turns the plant green) To do with photosynthesis.

Cell Wall - Holds the cell up and keeps it in a rigid structure.

In an ecosystem, the energy is transferred between the organisms participating in the food webs from producers and consumers.

The percentage of energy transferred to the deer after feeding on the grass is 10%.

The 10% law of the energy states that:

1. The food chain at each trophic level passes or transmits only 10% of the energy and 90% of the energy is lost as heat.

2. The amount of energy at each trophic level decreases, such that the producers if consuming the 100 J of energy, the deers or primary consumers at the first trophic level will have only 10% of the energy.

Thus, the deer will possess only 10% of the energy at each trophic level, following the 10% law.

The correct answer is Option C.

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As a broad rule, human fingernails grow between 0.5 inches (1 cm) and 4 inches (10 cm) per year, and several items can affect this growth rate.

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Answer:

The correct answer is - helps speed up the process of transcription.

Explanation:

RNA polymerase binds to the DNA sequence and copy a single DNA sequence into RNA and helps a single gene to produce hundreds or even thousands of RNA molecules during transcription.

It helps in the speed up the transcription by copying the sequence and producing mRNA for translation process later.

Answer:

I hope this helps.

Explanation:

The surface of the basilar membrane is lined with specialized cells known as hair cells.

These hair cells play a crucial role in the process of hearing. When sound waves enter the ear, they cause the basilar membrane to vibrate.

This vibration causes the hair cells to bend, which then sends signals to the brain through the auditory nerve.

The location on the basilar membrane where hair cells are most sensitive to specific frequencies is known as the tonotopic map.

This map is arranged in a way that allows the brain to distinguish between different pitches and frequencies of sound.

It is important to note that the basilar membrane is not uniform in its thickness or stiffness, which is why different parts of the membrane vibrate more easily in response to certain frequencies.

This creates a tonotopic map that is critical to the process of hearing.

In summary, the surface of the basilar membrane is lined with hair cells, which play a vital role in the transmission of sound signals to the brain.

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The situation would you see a partial lunar eclipse is a portion of the Moon passes through Earth’s shadow option -c is correct answer.

As the name implies, a partial lunar eclipse happens when the Sun, Earth, and Moon aren't exactly lined up. As a result, only a portion of the Moon enters Earth's umbral shadow and is thus completely covered in red light.

a solar eclipse in which some of the sun's direct rays reach the observer because the moon does not completely block the sun's surface or photosphere. : the entire total solar eclipse that occurs outside of the path of totality.

When the Moon passes between the Sun and Earth, a partial solar eclipse occurs, but the Sun, Moon, and Earth are not exactly lined up. The Sun will appear to be partially obscured, taking on the shape of a crescent.

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Answer:

biotic factor for humans and abiotic for plants

Relative to the size of the tube, the structure or structures of the respiratory tract that contains the greatest proportion of smooth muscle are the bronchioles. The bronchioles are smaller airways that branch off from the bronchi and are essential for controlling airflow in the respiratory system.

The bronchioles contain a high proportion of smooth muscle. The smooth muscle in the bronchioles plays a crucial role in regulating the airflow to the lungs by contracting and relaxing in response to various stimuli, such as the presence of allergens or irritants in the air. This can cause narrowing of the airways, a condition known as bronchoconstriction, which can make it difficult to breathe. Medications called bronchodilators can be used to relax the smooth muscle and open up the airways in conditions such as asthma and chronic obstructive pulmonary disease (COPD).

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Answer:

It's either A or D

Explanation:

A statement which correctly describes a property of enzyme is: D. Enzyme structures are specific to the type of substrate they bond to.​

An enzyme refers to a biological catalyst that is typically used to speed up (accelerate) the rate of a chemical reaction by lowering the activation energy of its reactants.

Basically, the rate of a chemical reaction would be faster when its activation energy of is low. Thus, an enzyme speeds or catalyzes the rate of a chemical reaction by lowering its activation energy.

On a related note, if the conditions are not optimal for an enzyme, it limits the ability of an enzyme to bind or be joined with its substrates.

This ultimately implies that, enzyme structures are specific to the type of substrate they bond to and depending on the particular chemical reaction.​

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It is false that the superior vena cava passes through the diaphragm at the level of T8.

SVC stands for "Superior Vena Cava". The superior vena cava is a large vein that carries deoxygenated blood from the upper body to the right atrium of the heart. It is located in the anterior mediastinum, and runs from the top of the body down to the right atrium.

False. The inferior vena cava (IVC) passes through the diaphragm at the level of T8, not the superior vena cava (SVC). The SVC enters the right atrium of the heart and is located superiorly and anteriorly to the IVC

Therefore, the superior vena cava does not  passes through the diaphragm at the level of t8, it is the interior vena cava

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General Strain Theory, Social Control Theory, and Social Learning Theory are among the leading criminological theories that explain criminal behavior, delinquency, and the reasons why people deviate from the social norm.

General Strain Theory(GST) is a sociological theory that asserts that individuals' strain or stress can lead to criminal behavior. According to GST, three sources of strain; failure, negative stimuli, and separation can contribute to an individual's deviant behavior.

Example: Suppose a person is looking for work but is continually refused because of his age. This may cause the person to feel frustrated and may lead him to engage in criminal behavior.

Social Learning Theory asserts that people learn to be violent or non-violent based on observation and modeling from their environment, and people in their social surroundings. The theory argues that people will engage in criminal behavior if they think the benefits outweigh the negative consequences. the theory also suggests that people are more likely to be violent if they feel their environment encourages it.

Example: A child might be exposed to a parent who uses violence as a means of problem-solving. They may grow up believing that violence is the only way to solve problems and begin engaging in violent behaviors themselves.

Social Control Theory argues that people do not commit crimes or deviant behavior because they fear the negative consequences of doing so and they are less likely to engage in deviant behavior as they have stronger ties to society.

Example: A person may choose not to engage in criminal behavior because they fear the punishment that may come with it.

In conclusion, these three theories attempt to explain criminal behavior and deviant behavior from different perspectives. While General Strain Theory argues that strain or stress leads to deviant behavior, Social Control Theory suggests that people will refrain from criminal activity because of the consequences. Social Learning Theory asserts that people learn from their environment and the people in it and may model or imitate their behavior.

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Answer:

noun. a unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units (SI). Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France.

Answer:

it means a matter of 1kg that does not have an acceleration due to gravity.

Explanation:

Answer:

1. heat is collected from the earth

2. heat is used to change water into steam

3. steams turns a turbine

4. generators produce electricity

Explanation:

Adoption is a legal process in which a person or couple takes on permanent parental responsibility for a child who is not biologically their own.

This involves terminating the rights of the child's biological parents and transferring those rights to the adoptive parents.

Adoption provides a loving and stable home for children who may not be able to be raised by their biological parents for various reasons.

It allows individuals or couples to become parents and fulfill their desire to have a family. Three facts about adoption are:

Adoption can occur domestically within a country or internationally across borders.

There are different types of adoption, including open adoption where the birth parents maintain some level of contact with the adoptive family, and closed adoption where there is no contact between the birth parents and the adoptive family.

Adoption can be a lengthy and complex process involving legal procedures, home studies, background checks, and sometimes the involvement of adoption agencies or facilitators.

Abortion is the termination of a pregnancy by the removal or expulsion of the embryo or fetus from the uterus. It is a highly debated and sensitive topic that involves ethical, moral, and legal considerations. Three facts about abortion are:

Abortion laws and regulations vary widely between countries and even within different regions or states.

Abortion methods can include medical (using medication to induce the abortion) or surgical (removal of the fetus through procedures like suction aspiration or dilation and curettage).

Access to safe and legal abortion services is an important aspect of reproductive healthcare and women's rights advocacy.

Birth/Keeping the Baby refers to the decision of a pregnant individual to carry the pregnancy to term and raise the child themselves. It involves assuming the responsibility of parenthood and providing care and support for the child. Three facts about birth/keeping the baby are:

Becoming a parent involves significant physical, emotional, and financial commitments as one takes on the role of raising and nurturing a child.

Support systems, such as family, friends, and community resources, can play a crucial role in providing assistance to parents in raising their child.

Parenting styles and approaches can vary, influenced by cultural, societal, and personal factors, and can impact the well-being and development of the child.

In conclusion, the topics of adoption, abortion, and birth/keeping the baby involve complex decisions and personal circumstances. Each choice has its own set of implications and consequences.

It is important to respect individuals' autonomy and provide access to comprehensive reproductive healthcare, support services, and resources to ensure that individuals can make informed choices based on their unique circumstances and values.

Public discourse and policy-making surrounding these topics should consider the diverse perspectives and prioritize the well-being and rights of those involved.

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Finches of Daphne Major: In 1977, a drought on the Galápagos island of Daphne Major limited the amount of small seeds available to finches, leading to the demise of a large number of small-beaked finches.

These birds possessed distinct beaks, although being almost identical to mainland finches in all other respects. To fit various niches on the Galapagos Islands, their beaks have evolved to the sort of food they consumed.

Due to the drought, there was significantly less food available for the finches, which caused a significant section of the population to perish from famine.

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Answer:

Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. It occurs in ovary of female flower

Explanation:

After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.

______________*_______*________________

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