Answer:
The object is considered to be neutral
Explanation:
What is an example of people changing the way water flows? *
Answer:
waterway has its own particular characteristics related to water flow, velocity, and quantity.
Altered water ways or hydrology defines the variation in such characteristics including water flow. Water flow naturally depends on the climate and landscape ( valleys, mountains and flood plains).
There are several examples of people changing the way water flows such as construction of a dam or weir and the addition of a culvert or pipe. Dams are use to control the flow of water and through culvert or pipe, the flow or direction can be changed.
Changes in vegetation and landscape by people also affects the flow of water as well.
An example of humans changing water flow includes building dams and levees to control river systems for flood prevention, irrigation, and power generation. This has both positive and negative impacts on local ecosystems, agriculture, and regional water cycles.
An example of people changing the way water flows is through the construction of dams and levees. Humans have long sought to control the flow of water to prevent flooding, provide water for irrigation, and generate hydroelectric power. By building structures like dams, we can store large amounts of water, thus controlling its release into river systems. Similarly, levees are built alongside rivers to prevent them from overflowing their banks, protecting adjacent land from flooding.
However, while these engineering feats can offer protection and resources, they can also have catastrophic effects when overwhelmed by massive floods. Diverting water also changes regional ecosystems, sometimes transforming wetlands into deserts and affecting the natural water cycle. For example, the diversion of water from the Owens Valley for the city of Los Angeles drastically reduced agricultural productivity in the area. Moreover, the construction of the Hetch-Hetchy Dam in Yosemite National Park led to the submersion of a beautiful valley, prompting discussions about dam removal and ecosystem restoration.
Orcas are endangered whales. Only about 80 individuals remain off the 1 point
coast of Washington State. Salmon are a source of food for orcas. Some
individuals are proposing that four dams in Washington State be removed
so that habitat areas for salmon will be increased. Those opposed to the
dam removals say that the dams provide low-cost hydroelectric power and
positively influence the local economy. This situation is an example of:
The issue at hand is an environmental conflict of interest between conserving endangered species (orcas and salmon) and economic developments (hydroelectric power from dams and their beneficial influence on the local economy).
Explanation:This situation is an example of an environmental issue that involves a conflict of interests between environmental conservation and economic considerations. On one hand, the removal of dams would be beneficial for the survival of both the salmon and the orcas which are endangered species. This is an argument grounded in the principle of biodiversity conservation. On the other hand, the dams contribute to the economy by providing low-cost hydroelectric power which supports the local economy. This represents the perspective of economic development and utility. In both cases, the decision would have significant impacts on the environment and the economy.
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What is one cause of long lasting climate change
I'd say carbon admissions into the air because that is causing the ozone layer to dissipate, allowing more harmful, radioactive particles to be allowed to penetrate Earth's surface, causing temperatures to increase, making glaciers melt, causing sea levels to rise, destroying cities and towns until Earth is gone. Are there specific answer choices you need me to choose from?
Answer:
c
Explanation:
Which of the following is NOT a reason that scientists classify organisms? A to organize organisms B to easily identify organisms C to determine the age of organisms D to ensure the use of a common language
The statement that is not a reason that scientists classify organisms is to determine the age of organisms. Details about classification of organisms can be found below.
What is classification?Classification in biology refers to the system of arrangement of organisms into different groups and sub-groups on the basis of their similarities and differences.
Taxonomic classification involves the following aspects:
Identification of organismsNomenclature of organismsTherefore, this means that the statement that is not a reason that scientists classify organisms is to determine the age of organisms.
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What would happen if organ systems failed to work together
Answer:
When one organ system stopped working, the other organ system compensates for the failure to regain balance. For example, if the heart is not pumping enough blood, the other systems will kick in to compensate. ... In order for life to function accurately, these organ systems must work together
Explanation:
Answer:
We probably wouldn't be able to live anymore. Simple actions would take hours and we wouldn't be able to do anything or get anywhere. we would most likely die. It would not work out well for anyone. We need stability to stay alive.
Explanation:
I got it right, not sample response, may i have brainliest?
What is the function of the part that is labeled A?
A. Moisten and filters incoming air
B. Prevents food and liquid from entering
C. Vibrates and produces sound
D. Exchanges oxygen and carbon dioxide
Answer:
A
Explanation:
its entering through the nose which is filtering incoming air
30 points who answers . Seasons are caused primarily by Earth's.
clockwise rotation
elliptical orbit
distance from the sun
tilted axis
Answer:
A, clockwise rotation.
Explanation:
Answer:
earths tilted axis
Explanation:
will give brainlest to whoever answers quickly and correctly
If two observers in the Northern Hemisphere are 500 miles apart but are at the same latitude, which of these statements will be true?
A. Polaris will be seen by both observers at the same azimuth.
B. Polaris' altitude will appear to be the same for both observers.
C. The observer farthest to the east will see Polaris set (i.e., move down to the horizon) before the other observer.
D. Polaris will be seen at the zenith by the observer farthest to the east before the other observer sees it at the zenith.
Answer:
i think the answer is b i hope its right if its wrong im sorry
Explanation:
In mice, fur color is a genetically determined trait. To observe the effects of natural selection on fur color in mice, scientists set up six enclosures with either light- or dark-colored sand on the ground. The enclosures were isolated from all ground predators and wild mice but accessible to predatory birds. The scientists placed equal numbers of light- and dark-colored mice into each enclosure. A total of 500 mice were used in the experiment. After several generations, the scientists sampled the mice and found that populations in the light sand enclosures were, on average, lighter in color than the original population, while those in the dark sand enclosures were, on average, darker in color than the mice in the original population.
a) describe the way the scientists will determine the evolutionary fitness of the mice in the experiment.
b) Identify the independent variable in the scientists’ experiment.
c) State the null hypothesis
d) The scientists claim that the changes in the frequency of fur color were the result of natural selection. Justify their prediction.
The correct answers to these questions are the following:
1) By analyzing enclosures with different colors on the ground that can either favour or hinder the success of the populations.
2) Independent variable: number of generations.
3) Null hypothesis: different colors have no effect on the fitness of the populations.
4) It is a consequence of directional selection. Directional selection is a type of natural selection where the frequency of a trait is modified to benefit a phenotype in response to a change in the environmental conditions.
Final answer:
The scientists can assess evolutionary fitness by tracking the reproductive success of mice, with the color of the sand as the independent variable and the null hypothesis being that sand color has no effect on fur color distribution. Changes in fur color frequencies are justified as a result of natural selection due to selective predation pressures, leading to an increase in the frequency of fur color that offers better camouflage in the given environment.
Explanation:
In an experiment to observe evolutionary fitness and natural selection on fur color in mice, scientists could determine the evolutionary fitness of a population by evaluating which coloration confers a survival advantage that results in greater reproductive success in the given environment. This could be done by counting the offspring of light and dark-colored mice in each enclosure over several generations.
The independent variable in the scientists’ experiment is the color of the sand in the enclosures, which corresponds to the environment in which the mice populations live. This environmental factor would influence the natural selection process as the mice with fur color that blends in more effectively with the sand color would likely have a higher survival rate from predation.
The null hypothesis for this experiment would be that the color of the sand has no effect on the fur color distribution in the mouse populations after several generations. This null hypothesis assumes that the frequencies of light and dark fur coloration in the mice populations will remain unchanged despite the differences in sand color in their respective enclosures.
Justifying the prediction that changes in the frequency of fur color are the result of natural selection, one could argue that since the enclosures are exposed to predatory birds, mice that match the sand color are less likely to be seen and eaten by these predators. Over time, this selection pressure would result in an increase in the frequency of fur color that best camouflages with the environment. This is similar to the known case of the peppered moth and other examples where population genetics shift towards more successful phenotypes due to selection pressures.
If you were explaining olfaction to a friend, which of the following details would you not include? (1.0 points)
A)As air enters the nasal cavity, chemicals in the air bind to and activate nervous system receptors on the nasal cilia.
B)First-order neurons connected to the epithelial cells carry olfactory signals from the nasal cavity through openings in the ethmoid bone, and then to the olfactory bulbs of the brain.
C)Olfactory signals move from olfactory bulbs along the olfactory nerves to the olfactory area of the cerebral cortex.
D)Signals move from the olfactory area of the cerebral cortex into the olfactory bulbs of the nasal passage.
Answer:
D
Explanation:
Did the research. D is incorrect because the olfactory signals move from the olfactory bulbs to the cerebral cortex. Not the other way around.
Details A, B, and C accurately describe the olfactory process, but detail D is incorrect because olfactory signals do not move from the cerebral cortex back to the olfactory bulbs.
The incorrect option is 'D'.
If you were explaining olfaction to a friend, the detail that you would not include is: Signals move from the olfactory area of the cerebral cortex into the olfactory bulbs of the nasal passage (Option D). This statement is not accurate because in the olfactory process, signals do not travel back from the cortex to the olfactory bulbs. Instead, the accurate process involves several steps:
Chemicals in the air bind to and activate nervous system receptors on the nasal cilia as air enters the nasal cavity.First-order neurons carry olfactory signals from the nasal cavity through openings in the ethmoid bone, then to the olfactory bulbs of the brain.Olfactory signals then move from olfactory bulbs along the olfactory nerves to the olfactory area of the cerebral cortex.The olfactory receptor neurons, located in the olfactory epithelium, play an essential role in converting airborne molecules that we inhale into signals that our brain can interpret as smells. These neurons contain cilia with receptors that are G protein-coupled, producing a graded membrane potential in response to binding with odorant molecules.
Cholesterol, testosterone, and estrogen are
all examples of which are chemical
messengers that the body uses.
A. sugars
B. steroids
C. proteins
Cholesterol, testosterone, and estrogen are examples of steroids.
Explanation:Steroids are chemicals that act as messaging signals in the body and play vital roles in functions ranging from immune response to regulation of metabolism, inflammation, and electrolyte balance. Cholesterol is a necessary component of cell membranes and serves as the precursor for the synthesis of other important steroids. Testosterone is a male sex hormone important for the development and maintenance of male characteristics. Estrogen, on the other hand, is a major female sex hormone essential for the development and function of female reproductive system.
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Explain how creating a model provides a practical
solution for some scientific research.
I
Answer:
Creating a model provides a practical solution for some scientific research by showing systems that are very large,small,or complex.Models are simplified representations of real objects or systems.Models can make things easier to study by zooming in on a single piece of a large system or magnifying something that is too tiny to see with the naked eye.
Explanation:
13+points PLZ help
Select all the correct answers. What’s wrong with this ecological pyramid? *
A)the Sun has an arrow leading to decomposers.
B)Secondary consumers should be at the bottom of the pyramid.
C)The Sun should be at the bottom of the pyramid.
Answer:
The sun has an arrow leading to the decomposer, the sun should be at the bottom of the pyramid
Explanation:
Answer:
Well, The best answer will be is A. The Sun has an arrow leading to decomposers. Because, The sun cannot be decomposed by decomposer so the arrow from the sun leading towards the decomposer is not right.
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which identifies the main purpose of biological taxonomy?
Answer:
C.) use a systematic method to name, organize, and show relationships among species.
Explanation:
Animals that are members of different species and share a habitat peacefully
Answer:
likely have different ecological niches
Explanation:
I did this w while ago
Descibe how changes to genes can affect the traits of organisms.
Please elaborate, as this is supposed to be a "discussion"
PLS ANSWER DUE TOMMORROW
double the points
thank you
Answer:
Please find the explanation below.
Explanation:
Changes in the genetic sequence of a DNA is called MUTATION. A gene is a segment of the DNA that holds information for the synthesis of proteins, which are responsible for the observable traits in organisms. The expression of a gene brings about the synthesis of a protein that effects a particular trait in an organism. The gene is expressed in two major stages viz: transcription and translation.
Transcription involves production of an mRNA molecule using the encoded information in the genes of a DNA while translation is the synthesis of a protein using the mRNA as a template.
Since, the order of the sequence in a gene determines the order of the sequence in the mRNA which ultimately determines the order of sequence in the protein, a change in the gene of an organism will affect the observed trait of that organism.
More detailedly, a change in the gene will cause a change in the mRNA sequence during transcription. A change in the mRNA sequence will cause a change in the amino acid sequence during translation. A change in the amino acid sequence will affect the protein produced i.e. might not be functional or may not be produced at all. An affected protein will cause a trait in that organism to be affected.
List all factors of 90
Answer:
1,2,3,5,6,9,10,15,18,30,45,90,
Explanation:
Factors are numbers you multiply to get another number, All of these numbers will get you 90.
Which of the following best explains why overfishing is considered a bad practice
Final answer:
Overfishing is bad because it causes overharvesting of aquatic species, leading to fishery collapses like the western Atlantic cod fishery and potential species extinction. It is exacerbated by the tragedy of the commons and advanced fishing technology, with severe ecological and socioeconomic consequences.
Explanation:
Overfishing is considered a bad practice because it leads to overharvesting which poses a serious threat to many species, particularly aquatic species. A well-known example of such overharvesting leading to fishery collapse is the western Atlantic cod fishery. Overfishing, driven by economic and political factors, is often exacerbated by the tragedy of the commons, where no individual fisher has an incentive to exercise restraint when harvesting from a shared resource. As a result, fisheries managed as common resources tend to be overexploited, despite regulatory efforts, which could lead to unsustainable exploitation and potential fishery extinction. Advanced fishing technology further increases the risk of overfishing, allowing fishers to harvest at a scale that far outpaces the biological growth rates of the species. In some extreme cases, this may result in the economic drive to fish a population to extinction, as seen in the case of certain whale species. The consequences of overfishing are not only ecological but also socioeconomic, dramatically affecting the lives of those who rely on the fishery for their livelihood and causing a shift to smaller, less profitable species in fisheries.
Shelby performed an investigation in which she monitored her heart rate while she ran on a treadmill. She used a heart rate monitor before she started running and determined that her resting heart rate was 62 beats per minute. After 10 minutes of running, the heart rate monitor showed that Shelby's heart rate was 141 beats per minute. What was Shelby's blood delivering to her cells at an increased rate as her heart rate increased? ATP carbon dioxide oxygen lactic acid
Answer:
Oxygen
Explanation:
Final answer:
Shelby's increased heart rate during exercise heightened the delivery of oxygen to her cells to meet increased metabolic demand and enabled the removal of carbon dioxide and lactic acid.
Explanation:
During exercise, Shelby's increased heart rate was responsible for delivering oxygen to her cells at an increased rate to meet the higher metabolic demands. As her physical activity intensified, her cardiovascular system adapted by increasing cardiac output (heart rate x stroke volume), which in turn elevated the delivery of oxygen and nutrients to working muscles and removed carbon dioxide and other metabolic waste products like lactic acid. An increased heart rate during exercise indicates a higher demand for oxygen-rich blood throughout the body that can be used for energy production in the form of adenosine triphosphate (ATP).
4. Deduce how two genes for different traits that are on the same chromosome can fail
to be inherited together.
Answer:
If the genes are far apart on the same chromosome, they can fail to be inherited together.
___ is the formation of single, identical RNA from the two-stranded DNA
A. Replication
B. Transcription
C. Translation
D. none of the above
Answer:
I think C Translation im srry if im wrong tho but i think thats the answer
Explanation:
Mixtures are very different from compounds. Mixtures can be physically separated into different components and compounds cannot be physically separated. Which of the following is NOT a mixture?
A. salt water
B. air
C. soil
D. sugar
Answer:
The answer is D sugar.
Explanation:
I just saw this question on study island.
The one among the given ones that is not a mixture is sugar. The correct option is D.
What is a mixture?A mixture is a material composed of two or more different chemical substances that are not chemically bonded.
A mixture is the physical combination of two or more substances that retain their identities and are mixed in the form of solutions, suspensions, and colloids.
When two or more elements combine chemically in a fixed mass ratio, the resulting product is known as a compound. Compounds are substances made up of two or more different types of elements in a fixed ratio of their atoms.
Sugar is a chemical compound made up of three atoms: carbon, hydrogen, and oxygen. Because these three atoms are chemically linked, they form a compound in nature.
The correct option is D.
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PLEASE HELP
what happens when you mix soil and baking soda
Which system enables the body
to move, moves food through the
digestive system, and keeps the
heart beating?
Please see the complete questions below.
Which system enables the body
to move, moves food through the
digestive system, and keeps the
heart beating?
A. Skeletal
B. Muscular
C. Digestive
D. Nervous
Answer:
The answer is Muscular (Option B)
Explanation:
To start with, the muscular system in the human body specifically serves the purpose of enabling movement because it is made up of various types of muscle which plays special roles in movement.
Asides, enabling movement, the muscular system also controls digestion, breathing and heartbeat because there are muscles situated in the stomach, and heart while those in the neck, abdomen and between the ribs (intercostal muscles) aid breathing.
Final answer:
The muscular system, inclusive of skeletal, smooth, and cardiac muscles, allows for body movements, food movement through the digestive tract, and the heartbeat. The cardiovascular system works in concert with the muscular system to circulate blood and distribute nutrients throughout the body, with the heart acting as the pump.
Explanation:
The system that enables the body to move, moves food through the digestive system, and keeps the heart beating is the muscular system. The muscular system includes not only the skeletal muscles that enable voluntary movements but also smooth muscles and the cardiac muscle of the heart. Specifically, the smooth muscles in the walls of our digestive organs contract rhythmically in a process called peristalsis to move food along the digestive tract. Simultaneously, the heart muscle or myocardium contracts to pump blood throughout the body via the cardiovascular system. This interaction ensures that digested nutrients are absorbed into the bloodstream and delivered to all body cells, while waste products are removed efficiently.
The cardiovascular system is integral to this process as well; it circulates blood throughout the body, providing oxygen and nutrients while removing waste products. The heart, the pump of the system, contracts to propel blood through a network of blood vessels, sustaining the vital functions of the body, including those of the muscular system.
an ocean basin will form in what location, relative to the tectonic plates?
Answer:
Divergent Tectonic Boundaries
Explanation:
Divergent plates or plates that pull away from each other. When plates divide on the ocean floor, magma rises up creating a new level of Oceanic Crust and causes an Ocean Basin.
Unlike mitosis, meiosis in male mammals results in the production of
A) one haploid gamete
B) three diploid gametes
C) four diploid gametes
D) four haploid gametes
. Hairlines and hair color are an inherited trait. The dominant allele of the widow's peak is represented by W and black hair is B and the recessive allele of a straight hairline is present by w and blonde hair is b. What possible hairlines will the children of a homozygous man with a widow's peak , heterozygous with black hair and a woman with a straight hairline and blonde hair have?
Answer:
Wait what? im confused explain more
All the children of the couple in the scenario will have a widow's peak due to the dominance of the 'W' allele. However, their hair color can be either black or blonde with a 50-50 probability due to the man’s heterozygosity for the black hair allele.
Explanation:The traits described in this question - hairline shape and hair color - are governed by dominant and recessive alleles. Because the man with the widow's peak is homozygous (represented by WW) and the woman has a straight hairline (represented by ww), all children will have a widow's peak as they will inherit the Ww genotype. This is due to dominance of the 'W' allele.
However, for the hair color, the man is heterozygous (Bb) while the woman is homozygous recessive (bb). Therefore, there is a 50% chance for the children to have black hair (Bb) and a 50% chance for them to have blonde hair (bb).
This is an example of a Punnett Square and monohybrid cross prediction according to Mendelian genetics, where inheriting traits are considered based on the dominance and recessiveness of alleles.
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Jugo pancreatico un liquido que contiene una serie de enzimas que actua sobre lucidos,grasas y quimo desde estomago,en el sector,el intestino el intestino produce .........
Answer:
It is important to highlight the wording of your question is not very good.
Although it could help you saying that chyme is a set of foods and certain treated by the gastrointestinal tract.
The pancreatic juice is the exocrine secretion of the pancreas, produced by the pancreatic acini and is released through the main pancreatic duct along with the coldodoco in the second portion of the duodenum through the Vater ampoule.
The intestine once the chyme reaches it (in simple words the serious chyme the ex food bolus) intestinal juices are released that continue with the degradation of food, in this part of the intestine, mainly in the duodenum is where more nutrients are absorb, that is why it is where most nutritional importance is usually assigned to this area of the digestive tract.
Explanation:
In the intestinal absorption, the quality of the intestinal mucosa plays a very important role, which is why those people who suffer from celiac disease or chronic chronic disease will be affected by the absorption of certain nutrients, triggering possible hypovitaminosis or anemias.
Pancreatic juices and intestinal juices already play an important role in the assimilation of amino acids or more complex molecules than carbohydrates
Carbon is removed from the atmosphere by producers (e.g. algae) who use it in ____. By consuming plant matter, animals obtain _____ compounds
Answer:
photosynthesiscarbonExplanation:
Carbon is removed from the atmosphere by producers, such as algae, who use it in carbon compounds. By consuming plant matter, animals obtain organic compounds.
Explanation:Carbon is removed from the atmosphere by producers (e.g., algae and plants) through a process called photosynthesis. In photosynthesis, carbon dioxide (CO2) from the atmosphere is used to create organic compounds, primarily glucose (C6H12O6), which serves as an energy source and carbon reservoir for the plant.
When animals consume plant matter, they obtain organic compounds, including carbohydrates, proteins, and fats, which contain carbon. Animals then use these organic compounds as sources of energy and building blocks for their own growth and metabolism.Carbon is removed from the atmosphere by producers, such as algae, who use it in carbon compounds. By consuming plant matter, animals obtain organic compounds.
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42/64
Which process requires the presence of oxygen to produce energy ?