why might a scientist repeat an experiment if she/he didn't make a mistake in the first one? experiment are repeated to

A) make sure she/he gets identical results.
B) see if any portion can be skipped or ignored.
C) prove that your results were incorrect the first time.
D) check to see if the procedure was correct and nothing was left out.

Answer:

kidney failure

Explanation:

Answer:

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The statement is false because resistance to exploitation is not related to wits.

Social exploitation is understood as a social relationship in which some people are abused or used for the benefit of others due to their belonging to that category or status.

An example of social exploitation was slavery in which African blacks were used for different purposes during the colony because they belonged to indigenous communities in Africa.

In the example above, Africans had to submit to their captors by force and had no opportunity to oppose it because resistance to exploitation is not a matter of wits.

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Answer:

Explanation:

To improve your health as a fifteen-year-old teenage girl, it is important to follow some dietary guidelines that will benefit your overall well-being. Firstly, prioritize including a variety of fruits and vegetables in your daily meals. Aim for at least five servings a day, as they are rich in essential vitamins, minerals, and fiber that will support your health and digestion. Additionally, make sure to incorporate whole grains such as whole wheat bread, brown rice, and oats into your diet for sustained energy and fiber intake. These wholesome grains will keep you feeling full and provide the necessary nutrients for your active lifestyle. When it comes to protein, opt for lean sources like chicken, fish, beans, or tofu, which will assist in muscle development and provide the necessary building blocks for growth. It is also vital to include dairy or dairy alternatives like milk, yogurt, or cheese to meet your calcium and vitamin D needs for strong bones and teeth. Finally, be mindful of your intake of processed foods, sugary beverages, and foods high in salt and saturated fats. Instead, focus on preparing homemade meals with fresh ingredients as much as possible. Staying hydrated is equally important, so make sure to drink plenty of water throughout the day. If you have any specific dietary concerns or questions, it is always a good idea to seek guidance from a healthcare professional or a registered dietitian who can provide personalized advice tailored to your individual needs. Remember, taking care of your health is a journey, and making small but consistent improvements to your diet will have a positive impact on your overall well-being.

The given question is incomplete, the complete question is:

Consider a scenario where a native plant population is growing at it's carrying capacity in a community. The seed of an invasive species is brought in by a squirrel, which then germinates, grows and reproduces resulting in the establishment a population of this invasive plant species. The invasive species has very similar niche as the native plant species. How do you predict the native plant population to be affected by the presence of this invasive species?

The invasive species fitness will be limited by the native plant species

The native plant carrying capacity will go down, relative to that prior to the invasive species arrival

There will be no change to the native plant population

The invasive species will grow unchecked and exponentially

No listed answer is correct

Answer:

The correct statement is the fourth one, that is, the invasive species will grow exponentially and unchecked.

Explanation:

The fitness of the invasive species will not get restricted by the native species. Though the opposite takes place as the original niche of the local species does not possess the natural predator for the invasive species. Therefore, invasive species emerge fitter and reproduce exponentially without population control.

The carrying capacity of the native species will not go down before the arrival of the invasive species, however, will go down post its arrival.  

As the invasive species has no natural predators, one can witness a substantial reduction in the population of the local plant population. The invasive species will utilize the niche of the local plant, therefore, resulting in the reduction of the native species population, as they have share habitat, food resources, and other natural resources.  

It is correct that the invasive species will grow without any control. An outbreak of invasive species generally takes place due to the absence of its natural predators in the ecosystem at the time of its introduction. Hence, the correct statement is the fourth one.

Invasive species establish in a new area, overgrow, and negatively interact with native species. The correct option is  4). The invasive species will grow unchecked and exponentially

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Let us firts reviw some framework.

When talking about dispersion, we refer to the change in a species' range or distribution area.

When species move and establish in a new area, out of their original distribution range, they might be considered exotic or invasive, according to their

• reproductive rate,

• population growth, and

• interaction with native species.

The introduction of invasive species has ecological, economic, socio-cultural consequences.

Once an invasive species has been established, it overgrows.

In the new areas, these species have less environmental pressure and better conditions than in their origin area -fewer predators, more resources, better nitches-.

These factors favor their establishment because they are adapted to surviving under harder conditions.  

They interact with native species by competing for resources such -water, place, radiation, exposure, shelter, food, etcetera-.  

They can also become significant predators of native species, consuming a wide diversity of prey items, and in many cases, there are no native species that may prey on them.

They provoke significant damages in the structure of native ecosystems, causing severe damage in endemic species.

They produce ecological imbalances in the trophic chains and the dynamics of communities. Invasive species are uncontrollable.

As they expand, they can also affect human in an economic manner and has socio-cultural effects. Many invasive species might cause crops loss by eating cultures. They attack farm animals. They affect buildings and other structures or ships by eating wood. They might even attack humans and cause health problems.

According to this information, we can answer the question.

We need to predict how NATIVE species are affected by INVASIVE species.

The options are,

1) The invasive species fitness will be limited by the native plant species

When talking about invasive species, this is not an option. Invasive species always affect the fitness of native species. So this option is not correct.  

2) The native plant carrying capacity will go down, relative to that prior to the invasive species arrival

The carrying capacity will still be the same. But resources availability will decrease faster because both species have the same requirements. They compete for the same resources. This option is not correct.

3) There will be no change to the native plant population

The will occur changes for the native population for sure. It will be affected by the presence of invasive species. So this option is not correct.  

4) The invasive species will grow unchecked and exponentially

Invasive species population will express an uncontrol exponential growth during its establishment phase.

This plant species find the perfect conditions to reproduce and increase its population size.

It finds available space, no predators, water and nutrients availability, proper light exposure, among others.

They can successfully compete with native species, displacing them and getting more space.  

THIS IS THE CORRECT OPTION

5) No listed answer is correct

Not correct

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Fossils provide solid evidence that organisms from the past are not the same as those found today.

Fossil fuels are formed from the decomposition of buried carbon-based organisms that died millions of years ago. They create carbon-rich deposits that are extracted and burned for energy. They are non-renewable and currently supply around 80% of the world's energy.

Coal, oil, and natural gas are examples of fossil fuels. Coal is a material usually found in sedimentary rock deposits where rock and dead plant and animal matter are piled up in layers.

Fossil fuels are combustible, burning in the presence of oxygen and forming water vapor, carbon dioxide, ash and other byproducts. Their ability to burn comes largely from their carbon content.

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Answer:

1. Auditory canal

2. Eardrum

3. Middle ear

4. Cochlea

Answer: A. auditory canal, eardrum, ossicles, cochlea

Explanation:

Which of the following correctly lists the structures through which sound travels after entering the ear?

A. auditory canal, eardrum, ossicles, cochlea

B. ossicles, eardrum, cochlea, auditory canal

C. eardrum, auditory canal, ossicles, cochlea

D. cochlea, eardrum, ossicles, auditory canal

The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).

Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.

The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.

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Answer:

from the pelvis or to more distant parts of the abdomen.

Explanation:

The phase of the cell cycle in which chromosomes replicate is the S phase.

This is referred to as the series of events that take place in a cell during the process of reproduction an d in this scenario , the parent cells divide which gives rise to two daughter cells. Chromosome on the other hand is a thread like structure which is made up of DNA.

The S phase occurs between G₁ phase and G₂ phase and is an important process in mitosis as the DNA in the nucleus are synthesized and the traits present are usually passed to the offspring.

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If the first two children have blue eyes, then the probability of the third child having blue eyes is 3:1 (Option C).

A Punnett square is a diagram used in genetics to represent the probabilities to obtain a given genotype or phenotypic condition.

This diagram (Punnett square) shows how traits can be inherited by dominance relationships.

In conclusion, if the first two children have blue eyes, then the probability of the third child having blue eyes is 3:1 (Option C).

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A tough condition or occurrence that is stressful makes you feel anxious and unhappy, stressful for sb For everyone involved, the move was incredibly stressful. Students may experience anxiety when taking exams. a demanding job, workplace, or working environment.

Determine your stress triggers first before monitoring your stress. What causes you to feel enraged, tense, anxious, or irritable? Do you frequently get a headache or an unsettled stomach that has no medical explanation? Do you have difficulties staying awake or paying attention?

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The evidence there is that the automatic thought is true is the stressful situation.

A tough condition or occurrence that is stressful makes you feel anxious and unhappy, stressful for sb For everyone involved, the move was incredibly stressful. Students may experience anxiety when taking exams. a demanding job, workplace, or working environment.

Determine your Stressful situation triggers first before monitoring your stress. What causes you to feel enraged, tense, anxious, or irritable? Do you frequently get a headache or an unsettled stomach that has no medical explanation? Do you have difficulties staying awake or paying attention?

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An increase in temperature can have both positive and negative effects on glucose production.

The relationship between temperature and glucose production in the Calvin cycle during carbon fixation is complex and depends on various factors, including the rate of carbon dioxide (CO2) fixation, the rate of oxygen (O2) consumption, and the rate of RuBP regeneration. However, in general, an increase in temperature can have both positive and negative effects on glucose production.

At lower temperatures, the rate of CO2 fixation may be limited by the rate of enzyme activity, while the rate of O2 consumption may be limited by the rate of respiration. As the temperature increases, the rate of enzyme activity and respiration may also increase, leading to an increase in the rate of CO2 fixation and a decrease in the rate of O2 consumption. This could result in an increase in glucose production.

As the temperature continues to increase, the rate of CO2 fixation may eventually become limited by the rate of RuBP regeneration, while the rate of O2 consumption may increase to the point where it begins to interfere with the reaction between CO2 and RuBP. In this case, further increases in temperature may actually reduce glucose production.

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Answer:

Explanation:

1.  a. attract each other

2. c. glass

3. a. in the same direction

4. c. permanent magnets

5. c. force

6. a. striking it with a hammer

7. c. equator

Answer:

Farm and ranch families comprise less than 2% of the U.S. population.

Explanation:

Explanation:

For the two decades following 1950, world marine and inland capture fisheries production increased on average by as much as 6 percent per year, trebling from 18 million tonnes in 1950 to 56 million tonnes in 1969.

Answer:

The survival instincts is like a switch that goes off in the most adverse situations and activates the animals ingenuity to save themselves.

Explanation:

Answer: An increase in the algae in the neighborhood lake could be related to Sarah's farm as a result of the use of fertilizer.

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Answer:

Umbilical Cord

Explanation:

The unbilical cord uses the blood of the mother to carry oxygen to the blood of the fetus through the placenta.

Answer:

It doesn't have a high level of citric acid like a lemon or grapefruit would.

Answer:

Use the drawing tools to form the correct answer on the graph.

Graph the line that represents this equation:

Explanation:

The differemce about dynamic stretch when compared to other styles of stretching is that they are performed for multiple sets and repetitions.

Answer:

During cellular respiration animal cells combine oxygen with food molecules to release energy to live and function. Remember that cellular respiration produces carbon dioxide as a waste product. Animals use energy to grow, reproduce, and to function. They release the carbon dioxide into the air as a waste product

Explanation:

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Answer:

During cellular respiration animal cells combine oxygen with food molecules to release energy to live and function. Remember that cellular respiration produces carbon dioxide as a waste product. Animals use energy to grow, reproduce, and to function. They release the carbon dioxide into the air as a waste product.

Answer:

Psuedoscience is not genuine science.

Explanation:

The difference between pseudoscience and science is pretty obvious since psueudo means not genuine or a sham.

Answer:

Prokaryotes are cells with no nucleus

Answer:

Freezing point:

  Fahrenheit: 32°      

celsius: 0°

Explanation:

Due to generic factors, some people need to limit their exposure to pollen because it aggravates their respiratory systems.

What is Pathogens?

Pathogens are microorganisms, such as bacteria, viruses, fungi, and parasites, that cause diseases in humans, animals, and plants. They are capable of infecting the body and causing illness by invading host cells, tissues, and organs, and disrupting normal physiological processes.

"Generic factors" likely refers to genetic factors, which are inherited traits that can increase a person's susceptibility to certain health conditions or reactions. In the case of pollen allergies, genetic factors can play a role in determining whether a person is more likely to have an allergic reaction to pollen or not. Allergies are caused by an overreaction of the immune system to harmless substances, and this response can be influenced by genetic factors.

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The fruit lab uses a series of questions with two possible answers to assist in identifying a specific fruit, much like a dichotomous key. Each question divides the potential fruits into two groups according to a particular trait.

Using a sequence of questions with two alternative answers that are presented to users using a dichotomous key, an organism can be accurately recognised. To utilise a dichotomous key, one must be able to make exact observations and strictly adhere to directions.

A dichotomous key is a device that enables the user to identify objects and living things in the natural world. That's the biological sciences since it provides a user-friendly method of quickly and easily detecting unidentified organisms.

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