Answer:
Body fossils
Explanation:
Normally, only the hard skeleton is preserved (shell or bone), and the soft tissue (skin, muscle, organs, etc.) rots away after death. Animals with weak skeletons (e.g., a shrimp or an insect) are less likely to be preserved and animals that lack a skeleton entirely are very rarely fossilized.
PLEASE ANSWER ASAP!
The biologist shares his graph showing the results of an experiment that measured the concentration of zooxanthelle of shallow-water coral in picograma per cell.
The shallow water ecosystem depends on water temperatures below 30°C to maintain the symbiotic relationship between corals and zooxanthelle.
What is the relationship between water temperature and coral reefs?Water temperature has a significant relationship with coral reefs. Coral reefs are composed of tiny marine animals called coral polyps that build a calcium carbonate skeleton.
These animals live in a symbiotic relationship with photosynthetic algae called zooxanthellae, which provide them with food and give the reefs their vibrant colors. However, this relationship is sensitive to changes in water temperature.
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During DNA replication how is the leading strand built
Answer:
B. Continuously, as nucleotides are added to the 3' end
Explanation:
The leading strand is synthesized by adding nucleotides to the 3' end of the growing strand, and the lagging strand is synthesized by adding nucleotides to the 5' end.
The lagging strand is synthesized continuously, whereas the leading strand is synthesized in short fragments that are ultimately stitched together.
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The leading strand in DNA replication is synthesized continuously by DNA polymerase in the 5' to 3' direction from the origin of replication.
Explanation:During DNA replication, the leading strand is built continuously in the 5' to 3' direction by DNA polymerase. DNA polymerase adds deoxyribonucleotide (dNTP) to the 3' end of the DNA. The replication begins at a specific point in the DNA molecule called the origin of replication. Here, the DNA helix is separated by the enzyme helicase, which forms a structure known as the replication fork. In this structure, on the leading strand, the DNA polymerase is moving in the same direction as the replication fork, allowing it to read the original DNA strand and synthesize the new strand continuously.
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Inside a cell, there are 30 sodium ions and 20 potassium ions. If the sodium-potassium pump uses two molecules of
ATP, determine how many ions of sodium and potassium will be left inside the cell. Explain your reasoning.
After the sodium-potassium pump uses two molecules of ATP, there will be 28 sodium ions and 22 potassium ions left inside the cell.
There were 30 sodium ions and 20 potassium ions inside the cell. With the help of the sodium-potassium pump, two cycles of ion exchange can occur, utilizing two molecules of ATP. In the first cycle, three sodium ions are transported out of the cell, and two potassium ions are transported into the cell. As a result, the number of sodium ions decreases by three to 27, and the number of potassium ions increases by two to 22.
In the second cycle, another three sodium ions are transported out of the cell, and two potassium ions are transported into the cell, which results in 24 sodium ions and 24 potassium ions. However, the total number of ions inside the cell is still 48, which is not the same as the initial number. Therefore, one more cycle is required, resulting in 28 sodium ions and 26 potassium ions inside the cell.
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Look at the graph and explain what is happening at each of the points labelled A to E. (5)
Answer:c
Explanation:
. The question below is an incomplete sentence. Choose the word that best completes
the sentence.
the Constitution breaks the U.S. government into three branches.
A. Although
B. Instead
C. In conclusion
D. Before
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Someone pls
3.2.2 Quiz: Balancing Chemical Reactions
Question 1 of 10
Which statements are true about balancing chemical equations?
Check all that apply.
A. Balancing chemical equations does not involve trial and error.
B. Balancing chemical equations involves trial and error.
C. Atoms that are in only one of the reactants and only one of the
products should be done last.
D. Single atoms should be done last.
The correct responses are B. Balancing chemical equations involves trial and error and C. Atoms that are in only one of the reactants and only one of the products should be done last.
What is chemical equation?A chemical reaction is symbolically depicted by a chemical equation. The equation displays the reactants, or the substances that undergo a chemical change, on the left side and the products, or the substances that are created as a result of the chemical change, on the right side.
It takes some trial and error to balance chemical equations since the reactants' and products' coefficients need to be changed to make sure that each element has the same amount of atoms on both sides of the equation.
Additionally, since altering their coefficients would only influence one side of the equation and may disturb the equilibrium of the other elements, atoms that are present in just one of the reactants and only one of the products should be handled last. In general, it is preferable to balance the most complicated molecules first, along with those that include many atoms of a single element, before moving on to the smaller molecules and single atoms.
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Which of the following describes Aristotle's method of classifying organisms?
a. Aristotle categorized organisms as either plant or animal.
b. Aristotle created a hierarchy of life based on complexity.
c. Aristotle cataloged only animals and divided them into carnivores and herbivores.
d. Aristotle classified organisms based on geographic location.
(i think a or b)
Animal or plant-based organisms were how Aristotle divided the world.
What system of classifying organisms did Aristotle use?Aristotle developed the first system for classifying animals. Based on morphological traits, he divided organisms into two groups, each with five genera, and then into species within each category. He used animal observations to inform his classification scheme.
What was the classification theory of Aristotle?He created the first system of categorization that separates life into animals and plants. The plants are divided into herbs, shrubs, and trees according to morphological traits, and the animals are categorised according to whether they live in aquatic habitats, terrestrial habitats, or both.
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A population of rabbits in an area of Northem Florida was monitored to lear more about the biotic and abiotic factors that affect the population size. The
Rabbit Population Growth
graph shows data collected about the rabbit population size for 30 generations.
Based on the data on the right, what can be correctly stated about the rabbit
1500
population?
Any of these elements, including food, housing, breeding locations, predators, and others, may serve to restrict the population increase of rabbits or toads.
What is the name for a group of rabbits?Large warrens typically indicate a large rabbit population. Despite being nocturnal by nature, rabbits will emerge during the day if they are not disturbed, particularly in the long summer days. Social groups can range in size from just one pair to as many as 30 rabbits sharing a warren.
What is a model for the increase of the rabbit population?Population growth models. Imagine that a pair or rabbits only reproduces once a year, giving birth to an 8-rabbit litter. If each baby rabbit matures after a year and reproduces annually, the population spanning rabbits would increase to 5 million over a period of ten years.
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I need help pleaseeeeee
Answer:
Ecosystem and biome only.
Explanation:
This is because the communities and population are the counts of how many and what species of animals live in the specific community or population. The abiotic factors are things that aren't living, so animals wouldn't be counted.
20. Phylogenetic tree are used to help show which creatures are most closely related to each other. In the diagram below,
common ancestor. The line from the chicken and the line from the dinosaur connect, so they would have a common
the red dot shows the most common ancestor between a chimpanzee and a human. When two lines come together, there is a
ancestor. All the lines at the bottom connect, this would be the least common ancestor, but they are still related.
Chimpanzee
Human Chicken
Dinosaur
Most recent common
ancestor
Answer: a
Explanation: the explanation is
You can express the relationship of wavelength and frequency with ratios. The wave on the left has a ratio of 1:4 wavelength to frequency. For every one wavelength, four seconds passed. What would the ratio be for two waves that traveled a total of 12 seconds?
Answer:
Requency and wavelength are inversely proportional to each other. The wave with the greatest frequency has the shortest wavelength.
Explanation:
Hope it helps
What distinction does the Isle de Jean Charles in Louisiana hold?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
It will be the first U.S. community to receive climate refugees from New Orleans.
It is the first U.S. community to receive federal dollars to fund relocation.
It is the only U.S. community on the Gulf of Mexico to be gaining land.
It has escaped the hurricane damage that has devastated the rest of the Gulf coast.
It will be the first U.S. community to receive climate refugees from New Orleans distinction does the Isle de Jean Charles in Louisiana hold
Why is Isle de Jean Charles such a big deal?It serves as the centre of our Tribe and its customs. It is where our ancestors found refuge after being uprooted by laws from the time of the Indian Removal Act, and it is where we developed what has turned into a distinctive aspect of Louisiana culture. The land that has provided for us for many centuries is disappearing right before our eyes right now.
Only a dozen of the tribe's almost 700 members were left residing on their eponymous island in 2022.
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Describe the texture of the marrow from the beef bone.
Biology question
Answer: Bone Marrow texture best described as a Thick Beefy Butter
Explanation: Raw Bone Marrow will smell fresh and slightly sweet. When cooked, its aroma deepens considerably to that of roasted fatty beef.
Les fossiles temoigent :
3. A mass spectrometer is used to get information from
(a) Plants
(c) Rocks
(b) Rubber
(d) Concrete
Answer: Rocks
Explanation:
how is active transport different from facilitated diffusion
Active transport and facilitated diffusion are two different mechanisms of moving substances across a cell membrane, with key differences in energy requirement, direction of movement, and specificity.
What is an active transport ?
Active transport is the movement of molecules or ions across a membrane against their concentration gradient, which requires energy in the form of ATP (adenosine triphosphate). Active transport can move substances from an area of low concentration to an area of high concentration, and it is often used by cells to maintain concentration gradients and perform functions like nutrient uptake and waste removal.
Facilitated diffusion, on the other hand, is the passive movement of molecules or ions across a membrane with the help of transport proteins. Facilitated diffusion moves molecules or ions from an area of high concentration to an area of low concentration, following the concentration gradient, and does not require energy input from the cell. Facilitated diffusion is often used to transport large or charged molecules that cannot diffuse across the membrane on their own.
Another key difference between active transport and facilitated diffusion is specificity. Active transport requires specific transport proteins, called pumps, that are designed to move specific molecules or ions. In contrast, facilitated diffusion can use a variety of transport proteins that are specific to certain molecules or ions, but can often transport a range of similar molecules.
In summary, the main differences between active transport and facilitated diffusion are that active transport requires energy input and can move substances against their concentration gradient, while facilitated diffusion is passive and moves substances along their concentration gradient. Additionally, active transport requires specific transport proteins and can be highly selective, while facilitated diffusion is less selective and can use a variety of transport proteins.
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Explain why rainforests are important to Western medicine.
Which of the three substances has the greatest porosity?
a.
gravel
b.
sand
c.
silt
d.
all are equal
Rainforests are important to Western medicine because they are home to a vast array of plant and animal species that have been used for centuries in traditional medicine by indigenous people. Many of these species contain compounds that have been found to have therapeutic properties and have been developed into drugs and treatments for various medical conditions, including cancer, malaria, and hypertension.
B. Sand typically has the greatest porosity, meaning it has the most open spaces or pores compared to gravel and silt. This allows water and air to move more easily through the substance.
1,000 J of heat is added to 50 g of water. What is the change in temperature of the water?
options :
20° C
4.18°C
718°C
4.78°C
The change in temperature of the water is 4.78°C, which corresponds to option D.
What is the heat transfer equation?The heat transfer equation may be written as Q = m c T, where Q is the amount of heat transmitted, m denotes mass, c denotes specific heat, and T denotes the temperature difference. Heat transfer is the process by which heat is transferred from a hot item to a cold object.
ΔT = Q / (m * c)
where T is the temperature change, Q is the heat contributed, m is the substance's mass, and c is its specific heat capacity.
Plugging in the given values, we get:
ΔT = (1000 J) / (50 g * 4.18 J/(g°C))
ΔT = 4.78°C
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Which of the following did Mendel conclude about patterns of inheritance?
A) An organism inherits one gene in total
B) An organism inherits two genes of a given trait during gamete production
C) Similar forms of genes account for variation in the inherited traits.
D) An organism inherits one gene for each trait
The following Mendel concluded about patterns of inheritance : C) Similar forms of genes account for variation in the inherited traits.
What did Mendel conclude about patterns of inheritance?Mendel concluded that inheritance is determined by discrete units called genes, which are passed down from parents to offspring in a predictable manner.
He observed that some traits are dominant over others, and that these dominant traits can mask the expression of recessive traits. Mendel also proposed the Law of Segregation, which states that during gamete formation, the two alleles of a gene separate from each other so that each gamete carries only one allele for each gene.
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Answer:
B.
Explanation:
Select the one true statement.
1. Mitochondria direct cell activities by sending instructions to different parts of
a plant cell.
2. Chloroplasts break down sugar to release energy that a plant cell can use.
3. The cell wall makes a plant cell strong and rigid.
3. The cell wall makes a plant cell strong and rigid.
Name and explain the purpose of one law that protects citizens against Gender based violence
Answer:One law that protects citizens against Gender-Based Violence is the Violence Against Women Act (VAWA) in the United States. The purpose of this law is to provide comprehensive and coordinated responses to domestic violence, sexual assault, dating violence, and stalking. It aims to improve the criminal justice system's response to these crimes, enhance support and services for victims and survivors, and increase awareness and prevention efforts. VAWA also includes provisions that specifically address the needs of marginalized and underserved populations, such as Native American and immigrant women, and prohibits discrimination on the basis of gender identity or sexual orientation. Overall, VAWA seeks to promote gender equality, safety, and justice for all individuals affected by gender-based violence.
Explanation:
Why does fragmented forest habitat increase the risk of predation on bird nests by cats, dogs, raccoons, and other animals? Responses Birds will prefer to make their nests at the edges of forest habitat. Birds are forced to build nests on the ground instead of in protected trees. Predators have an easier time spotting bird nests in fragmented habitat. Predators are more common at the edges of fragmented habitat.
The borders of fragmentation habitat are where predators are more prevalent.
What impact does deforestation have on bird breeding habits?Bird populations are directly impacted by deforestation, mostly due to the destruction of their habitat. A bird's environment serves as its home, and deforestation robs them of their habitat. Many birds are unable to procreate when they are removed from their native habitat, which ultimately causes a reduction in their number.
What impact does deforestation have on animals and birds?Due to the drastic changes it causes to vast areas of ecosystems and habitats, deforestation is one of the land uses that has the greatest impact on migrating birds. The effect of land usage on tropical forests may clearly be seen from above.
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How are folding and faulting similar? How are they different?
Folding and faulting are similar in that they both involve the deformation of rock layers in response to stress and difference between folding and faulting is the nature of the deformation.
How are folding and faulting similar and different?Folding and faulting are the two processes that occur in the Earth's crust due to tectonic forces. They are similar in that they both involve deformation of rock layers in response to stress, and they can both result in the formation of mountains and other topographic features.
The main difference between folding and faulting is the nature of deformation. Folding occurs when rock layers are bent or curved without breaking. This can result in the formation of large-scale folds, such as synclines and anticlines, which are characterized by downward and upward curves, respectively.
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20. Which sector creates the most fossil fuel emissions?
agriculture
industry
electricity generation
transportation
All changes saved
What information can the pharmacy technician enter at the pharmacy counter when a customer presents the prescription?
A pharmacist checks the medication's correctness before a pharmacist locates, dispenses, packs, and labels it for a patient. Assisting pharmacists with administrative responsibilities like filing paperwork, processing insurance claims, and keeping track of inventory is another possibility.
What specific details does the pharmacy technician write on the prescription label?The label contains details about the patient, the pharmacy, the prescribing doctor, the drug name, strength, form, quantity, directions, dispense date, expiration date, refills, drug description, and auxiliary information.Labeling: Must be professional and neatly applied to the container; must include the name, address, and phone number of the dispensing pharmacy; the prescription number; the names of the physician and the patient; and the date of the prescription.For more information on pharmacy technician kindly visit to
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Which of the following is a way to use a plant’s DNA in forensic science?
a.
A forensic scientist can use a plant’s DNA to prove a suspect was in the area of a crime.
c.
A forensic scientist can add a plant’s DNA to a DNA sample to make it large enough to test.
b.
A forensic scientist can use a plant’s DNA to identify a victim’s father.
d.
All of these are ways a forensic scientist can use a plant’s DNA.
Answer: I believe the answer is A using a plant's DNA to prove a suspect was in the area of a crime.
Explanation:
Globalization makes new forms of consumption possible, but the effects of globalization on an individual’s lifestyle vary based on many factors including socioeconomic status. In what ways is globalization experienced differently by people from wealthy countries compared to people in developing countries? How are the producers of commodities like food or clothing affected differently by globalization than consumers? Anthropology
Globalization allows individuals in wealthy countries to have access to a wider variety of goods and services, while those in developing countries often experience exploitation and increased inequality.
Producers of commodities may experience increased competition and pressure to lower costs, while consumers benefit from lower prices and greater availability.
What is Globalization?
Globalization is experienced differently by people from wealthy countries compared to people in developing countries in several ways. Wealthy individuals have greater access to technology and information, which allows them to participate in global markets and consume goods and services from around the world. They also have greater mobility, allowing them to travel and experience different cultures. In contrast, people in developing countries may experience the negative effects of globalization, such as exploitation and displacement, as corporations seek to exploit cheap labor and resources in these countries.
The producers of commodities like food or clothing are affected differently by globalization than consumers. Globalization has led to increased competition among producers, which can drive down prices and reduce profit margins. This can lead to job losses and economic instability in producing countries. At the same time, globalization can also provide new markets for producers and access to new technologies and resources, which can improve efficiency and profitability. For consumers, globalization has led to greater choice and lower prices, but also concerns about the exploitation of workers and environmental degradation in producing countries. Overall, the effects of globalization are complex and varied, and depend on a range of social, economic, and political factors.
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Describe what happens to the number of antibodies produced by the body if HIV is left untreated around 120 months. What could explain this?
HIV infection left untreated lowers CD4+ T cell counts, weakening the immune system and lowering antibody production. It may also be more difficult to create efficient antibodies as a result of virus mutations.
What impact does HIV have on the generation of antibodies?Helper T cells are specifically targeted by the HIV virus. Without enough Helper T cells, the immune system cannot direct B cells to produce antibodies or Cytotoxic T cells to destroy infected cells.
What transpires to the immune system over a prolonged HIV infection?Over time, HIV weakens the immune system, making it more challenging for the body to fight against infections. AIDS (Acquired Immune Deficiency Syndrome) is brought on by HIV. Before turning into AIDS, HIV can persist in a person for a long time.
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Which phrase best describes what happens to the matter in nail polish remover as it evaporates?
it is destroyed
It disappears
it is converted into energy
it changes form
it changes form phrase best describes what happens to the matter in nail polish remover as it evaporates
What transpires to the substance in nail paint remover when it dries up?Cooling is caused by evaporation. While evaporating, a substance's particles absorb heat energy from its environment and transform into vapour. The low boiling point of acetone is 56 C. Acetone readily evaporates by absorbing heat from our hands when we hold it in our hands.
If nail paint gets on skin, it dries off very quickly. So there is no chemical reaction or change in the substance's identity; rather, liquid nail paint turns into gaseous nail polish. So, this is a bodily alteration.
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What is the origin of the term cell in biology?
Answer:
The Origins Of The Word 'Cell' In the 1660s, Robert Hooke looked through a primitive microscope at a thinly cut piece of cork. He saw a series of walled boxes that reminded him of the tiny rooms, or cellula, occupied by monks. Medical historian Dr. Howard Markel discusses Hooke's coining of the word "cell."