the number of anti predator tactics that evolve in prey species supports the hypothesis that predators acts as strong selective pressure on prey populations
true/false
Answers
True. The fact that prey species have evolved numerous anti-predator tactics is evidence that predators have a significant impact on prey populations. These tactics include physical defenses such as spines or armor, camouflage, warning signals, and behavioral adaptations such as hiding or fleeing.
Prey populations that are unable to adapt to predator pressure may decline or even become extinct, while those that are successful in developing effective defenses are more likely to survive and reproduce. Thus, predators play a crucial role in shaping the evolution of prey species.
The statement that the number of anti-predator tactics that evolve in prey species supports the hypothesis that predators act as strong selective pressure on prey populations is true. Predators indeed exert strong selective pressure on prey, leading to the evolution of various anti-predator adaptations. These adaptations increase the survival chances of prey species and can include behavioral, morphological, or physiological traits. The variety and effectiveness of these tactics demonstrate the significant impact predators have on the evolution and survival of prey populations.
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Related Questions
Eric is observing various types of eggs and trying to correlate them with the mode of fertilization. One of the eggs has a calcareous shell with a large amount of yolk. Another is wet with a moderate amount of yolk and with many coatings of jelly above it. What could be the mode of fertilization of the animals to which they belong?
Answers
The mode of fertilization of the animals to which they belong is: Animals with calcareous eggs with a large amount of yolk have internal fertilizationAnimals with wet eggs with a moderate amount of yolk and with many coatings of jelly above it have external fertilization.
The animals with calcareous eggs with a large amount of yolk have internal fertilization while the animals with wet eggs with a moderate amount of yolk and with many coatings of jelly above it have external fertilization.
The fertilization mode is a significant determinant of the type of egg and its surrounding environment. As such, fertilization modes can be distinguished based on whether they occur inside or outside the female's body.
The fertilization mode can be determined by the type of egg and its surrounding environment. Fertilization occurs inside the female's body in internal fertilization, while it occurs outside the female's body in external fertilization.
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When the lobes of two p orbitals are in the same phase and overlap side-by-side, the orbital that is formed has a _____ dissociation energy compared to the σ∗ molecular orbital formed from the out-of-phase direct overlap of the two p orbitals.
Answers
When the lobes of two p orbitals are in the same phase and overlap side-by-side, the orbital that is formed has a less dissociation energy compared to the σ∗ molecular orbital formed from the out-of-phase direct overlap of the two p orbitals.
Orbital is the location of an electron in the three dimensional space around an atom. Thus, orbital is simply the address of electron. There are 4 orbitals that an electron can occupy: s, p, d and f. Besides location, orbital also describes the wave nature of electron.
Dissociation energy is defined as the energy released when a bond is broken between two atoms or molecule. Since energy is released in the process, it is an endothermic reaction.
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The purpose of an egg yolk is to
A. feed the growing embryo.
B. keep the embryo wet.
C. protect the growing embryo.
D. grow into a second embryo.
Answers
Answer:
Feed the growing embryo
A. Feed the growing embryo
9. What are some similarities and differences in how the five teenagers have
been affected by the coronavirus? *
Answers
Answer:
there's are different ways breathe or not talk smell or touch ur eyes
If the total energy does not change, then why did the skater stop? *
Answers
Answer:
The skater's total energy does not change (it remains the same as it was in the beginning) as he moves up the ramp. ... Potential energy was being used to get the skater to the bottom if the ramp. The skater's potential energy has been depleted at the bottom of the ramp, and is converted to kinetic energy.
Explanation:
A woman is homozygous dominant for short fingers (SS). She marries a man who is heterozygous for short fingers (Ss). Will any of their children have long fingers (ss)
Answers
(7) What type of fossil forms when a buried organism decays or is dissolved, but the original shape is preserved in the sediment? (a) body fossil (b) trace fossil (c) mold fossil (d) cast fossil (8) W
Answers
(7) a fossil that preserves the original shape of an organism in sediment is called a mold fossil, (8) Figure 3 represents a brachiopod, and (9) Fossils are primarily identified based on changes in their morphology. The correct answers are 7. C, 8. C, and 9. A.
(7) The type of fossil that forms when a buried organism decays or is dissolved, but the original shape is preserved in the sediment is called a mold fossil. This type of fossil is formed when the remains of an organism leave an impression or cavity in the surrounding sediment. Over time, minerals fill in the space left by the organism, creating a replica of the original shape. Therefore, The correct answer is option C.(8) To identify which of the figures is a brachiopod, we need to look for specific characteristics of this type of organism. Brachiopods are marine animals that have two shells, and they resemble clams or bivalves. Based on this description, we can determine that Figure 3 is a brachiopod, as it has two shells and the overall shape is similar to that of a clam. Therefore, The correct answer is option C.(9) Fossils are most often identified based on changes in their morphology, which is easily recognizable, even in the field. Morphology refers to the physical shape, structure, and characteristics of an organism. By examining the size, shape, and other visible features of a fossil, scientists can make inferences about its identity and classify it into different groups or species. Therefore, The correct answer is option A.For more questions on fossils
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The correct question would be as
(7) What type of fossil forms when a buried organism decays or is dissolved, but the original shape is preserved in the sediment? (a) body fossil (b) trace fossil (c) mold fossil (d) cast fossil (8) Which of the following is a brachiopod? (a) Figure 1 (b) Figure 2 (c) Figure 3 (d) Figure 4 (9) Fossils are most often identified based on changes in their which is easily recognizable, even in the field (a) morphology (b) DNA (c) domain (d) lifestyle
Is DNA bigger than proteins?
Answers
Answer:
Average weight of a DNA base pair is 650 Da. And you can find the molecular weight of DNA by using a formula, no. of basepairs*650 Da.
If u take the DNA that has information to code particular protein I presume that DNA has higher molecular weight than the protein product
Should people be allowed to use gene therapy to enhance basic human traits such as height, intelligence, or athletic ability?
Answers
The use of gene therapy to enhance basic human traits is a controversial topic. There are many ethical and social concerns that have been raised about this issue.
Why is gene therapy necessary?Some people argue that gene therapy should be used to enhance basic human traits because it could improve the quality of life for many people. For example, gene therapy could be used to treat genetic disorders that cause physical or mental disabilities. It could also be used to improve athletic performance or intelligence.
Others argue that gene therapy should not be used to enhance basic human traits because it could lead to a number of problems. For example, it could create a new class of "genetically superior" people, which could lead to discrimination and social unrest. It could also lead to the development of new diseases or the spread of existing diseases.
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What is an advantage to SMRs?
Select all that apply.
less atmospheric emissions
use fusion instead of fission
reduced cost
reduced construction time
Answers
Answer:
PLEASE MARK ME THE BRANIEST THANK YOU :)
Explanation:
The next decades are crucially important to putting the world on a path of reduced greenhouse gas emissions.
By the end of the century, demand for energy will have tripled under the combined pressure of population growth, increased urbanization and expanding access to electricity in developing countries. The fossil fuels that shaped 19th and 20th century civilization can only be relied on at the cost of greenhouse gases and pollution.
A new large-scale, sustainable and carbon-free form of energy is urgently needed. The following advantages make fusion worth pursuing.
Abundant energy: Fusing atoms together in a controlled way releases nearly four million times more energy than a chemical reaction such as the burning of coal, oil or gas and four times as much as nuclear fission reactions (at equal mass). Fusion has the potential to provide the kind of baseload energy needed to provide electricity to our cities and our industries.
Sustainability: Fusion fuels are widely available and nearly inexhaustible. Deuterium can be distilled from all forms of water, while tritium will be produced during the fusion reaction as fusion neutrons interact with lithium. (Terrestrial reserves of lithium would permit the operation of fusion power plants for more than 1,000 years, while sea-based reserves of lithium would fulfil needs for millions of years.)
No CO₂: Fusion doesn't emit harmful toxins like carbon dioxide or other greenhouse gases into the atmosphere. Its major by-product is helium: an inert, non-toxic gas.
No long-lived radioactive waste: Nuclear fusion reactors produce no high activity, long-lived nuclear waste. The activation of components in a fusion reactor is low enough for the materials to be recycled or reused within 100 years.
Limited risk of proliferation: Fusion doesn't employ fissile materials like uranium and plutonium. (Radioactive tritium is neither a fissile nor a fissionable material.) There are no enriched materials in a fusion reactor like ITER that could be exploited to make nuclear weapons.
I HOPE YOU LIKE MY ANSWER THANK YOU:)
If someone’s urine is very dark, explain what is happening in the blood and kidney. Please use the terms concentration, solute, water, and osmosis.
Answers
Dark urine can be a sign that the urine is concentrated, meaning that there is a higher amount of solutes (such as urea, creatinine, and electrolytes) relative to water in the urine.
What is happening in the blood and kidney If someone’s urine is very dark?The kidneys are responsible for filtering the blood and regulating the composition of the urine. When there is a higher concentration of solutes in the blood, due to dehydration or other factors, the kidneys respond by reabsorbing more water from the urine back into the bloodstream to maintain a proper balance of solutes and water in the body. This results in a smaller volume of urine being produced, but with a higher concentration of solutes.
In terms of osmosis, water will move from an area of low solute concentration (such as the kidney tubules) to an area of high solute concentration (such as the bloodstream) to maintain an equal concentration of solutes on both sides of the membrane. So, in the case of concentrated urine, the kidneys are actively reabsorbing water from the urine by osmosis to maintain a proper balance of solutes in the body.
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Which of the following is a molecule that combines with an enzyme to activate it and help it do its job?Group of answer choicesA. a transport proteinB. a collagenC. a coenzymeD. a prion
Answers
A coenzyme is a chemical that works in conjunction with an enzyme to activate it and aid in its function. An organic molecule that binds to the active sites of specific enzymes is known as a coenzyme and helps catalyse reactions.
To be more precise, coenzymes can serve as functional groups that are exchanged between enzymes or act as intermediate carriers of electrons during these reactions.Coenzymes, which are organic compounds, are necessary for the catalytic activity of many enzymes. They typically have vitamins or vitamin-like substances in them.
They can occasionally serve as catalysts in the absence of enzymes, however not as efficiently as when an enzyme is present.Coenzymes are mostly made from vitamins and other minor amounts of other organic vital elements. (While both types of inorganic compounds are mentioned here, some scientists restrict the word "cofactor" to them.)
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Multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. a classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. how might identical and obviously duplicated gene sequences have gotten from one chromosome to another?
Answers
Identical and duplicate gene sequences get from one chromosome to another through chromosomal translocation and gene duplication.
A chromosomal translocation is often an abnormality that results from the breaking of a portion of a chromosome, which later joins and reattaches to a different chromosome.
Either the whole portion of the broken chromosome or a small part of the chromosome could attach itself to a different chromosome. This might lead to the transfer of genes that bear similar phenotypic characteristics to the other chromosome.
As a result, you might find genes sharing an identical gene sequence which then leads to the same characteristics that result from the gene sequence. This process is called gene duplication since there is an exact copy of the gene that attaches to the new chromosome. This is what is referred to as multigene families.
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Complete the following sentences. Then, place the steps of translation in order based on when they occur. Responses may be used more than once.
rRNA
elongation
amino acids
ribosomal subunits
transcription
start
IRNA
cytoplasm
initiation
synthesized
stop
termination
modified
rough ER
nucleus
Drag the text blocks below into their correct order.
During the process of ___________, polypeptide synthesis takes place.
________carries ________ to mRNA.
Once a ribosome reaches a ________ codon, _______ occurs and the ________ break away from the mRNA.
Some ribosomes attach to the ________ where polypeptides enter to be ________.
During the process of _________, anticodon-codon complementary base pairing begins as the _________ join together at a _______ codon.
In the __________, it becomes associated with ribosomes,
constructed out of __________.
After _______, mRNA leaves the ________ and enters the ________
of the cell.
Answers
During the process of translation, polypeptide synthesis takes place as amino acids are carried to mRNA by tRNA.
What are the steps of translation and their order?Translation is the process by which a polypeptide chain is synthesized from mRNA, guided by the genetic code. The steps of translation occur in a specific order:
Transcription: In the nucleus, DNA is transcribed into mRNA, which carries the genetic information to the cytoplasm.
Ribosomal subunits: Ribosomal subunits are synthesized in the nucleolus and then enter the cytoplasm. They join together at a start codon to initiate translation.
Initiation: The small ribosomal subunit binds to the mRNA, and the start codon is recognized by the anticodon of the initiator tRNA. This marks the beginning of translation.
Elongation: Amino acids are brought to the ribosome by tRNA molecules, which carry specific anticodons that are complementary to the codons on the mRNA. Amino acids are added to the growing polypeptide chain through peptide bond formation.
Termination: Once a ribosome reaches a stop codon on the mRNA, termination occurs. The completed polypeptide chain is released, and the ribosome dissociates from the mRNA.
Modified polypeptide: The polypeptide chain may undergo modifications, such as folding, cleavage, or chemical modifications, to form the functional protein.
Rough ER association: In some cases, the newly synthesized polypeptide chain becomes associated with the rough endoplasmic reticulum (ER), where further processing, folding, and transport may occur.
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Assume that two characters are controlled by genes we will generically label as A and B. In one instance A and B will be on different chromosomes and in another instance they will be located close to each other on the same chromosome (linked). Using this information, fill in the following table.
Answers
Independent genes are inherited according to the law of independent assortment, while Linked genes are inherirted together. Linked genes: 1) 3:1. 2) No. 3) AB, ab. Independent genes: 1) 9:3:3:1 2) Yes. 3) AB, Ab, aB, ab.
What are independent assortment, linked genes and independent genes?Independent assortment is a law that states that the alleles from two or more different genes distribute independently from each other in gametes.
A gamete receives an allele from a gene that does not depend on nor influence the allele of another gene in the same gamete. This can only be applied to independent genes.
These genes segregate independently after crossing over because they are located far away from each other.
Some other genes, however, are too close to each other and do not segregate independently. These are the linked genes, and they do not exhibit an independent distribution, and they inherit together more frequently.
In the exposed example,
Diallelic Gene ADiallelic Gene BWe will assume these genes express complete dominance.
Linked genes
1)
Parentals) AaBb x AaBb
Gametes) AB ab AB ab
Punnett square) AB ab
AB AABB AaBb
ab AaBb aabb
F1) 1/4 AABB + 2/4 AaBb : 1/4 aabb
2/4 of the progeny is exprected to express the dominant traits, while 1/4 is expected to express the recessive traits.
Phenotypic ratio ⇒ 3:1
2)
No, the law of independent assortment does not apply
3)
Since the parents of these individuals are both true breeding, the gametes are AB and ab.
Independent genes
1)
Parentals) AaBb x AaBb
Gametes) AB Ab aB ab AB Ab aB ab
Punnett square) AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
F1)
9/16 individuals are expected to express the two dominant traits, A-B-
3/16 individuals are expected to express one of the dominant traits, A-bb
3/16 individuals are expeected to express the other dominant trait, aaB-
1/16 individuals are expected to express the recessive trait, aabb
Phenotypic ratio ⇒ 9:3:3:1
2)
Yes, the law of independent assortment does not apply
3)
Since the parents of these individuals are both true breeding, the gametes are AB, Ab, aB, and ab.
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Head and neck muscles include:
A.)Facial muscles, such as the ones that help us open our eyes wider.
B.)Chewing muscles, such as the ones that move our jaw up and down.
C.)The biceps brachii.
D.)Facial muscles and chewing muscles.
Answers
Answer:
D
Explanation:
A scientist performed an experiment using various lengths of wire, all with the same cross-sectional area. The resistance of each length of wire was measured. The scientists results appear in the data table below.
Length Resistance
(meters)
(ohms)
Which of the following is the best conclusion to draw from this experiment?
O Resistance increases as the cross-sectional area of the resisting material increases.
O Electrical signals increase in power consumption as the length of wire increases
O Electrical signals decrease in strength as the distance they travel increases
Resistance increases as the total length of the resisting material decreases
5.1
11.0
16.0
18.0
23.0
1.6
3.8
4.6
5.9
7.5
Answers
Answer:
a
Explanation:
Ferns, such as the one in the picture, can be found today. They are usually found
growing in warmer climates. However, fossils of ferns have been found in places with
cold climates where it often snows today. What can we conclude about the places
where the fossils of ferns have been found?
A. Ferns used to live in cold climates.
B. These places once had a warmer climate.
C. Someone tried to grow ferns in cold climates.
D. These places once had a colder climate.
Answers
Answer:
B. These places once had a warmer climate.
Explanation:
They're fossils meaning they're extremely old therefore the climate they once grew in was suitable for its needs until the climate changed causing them to die.
why is oil found in the middle east and not hawaii
Answers
Answer:
the middle east region was not always a vast desert
Answer:
Explanation:
The most widely accepted theory for why the Middle East is loaded with oil is that the region was not always a vast desert. ... As the land in the modern Middle East region rose due to tectonic activity, the Tethys Ocean receded.
A pneumonia caused by Gram-positive diplococci is known as. A) primary atypical pneumonia. B) pleurisy. C) pneumocystic pneumonia. D) pneumonic plague.
Answers
Answer:
C) pneumocystic pneumonia.
Explanation:
It's worth mentioning that there is a slight discrepancy in the provided options, as pneumocystic pneumonia is typically caused by a fungal pathogen (Pneumocystis jirovecii) and not by Gram-positive diplococci. However, among the given options, pneumocystic pneumonia is the closest match as it includes the term "pneumonia" and is caused by an infectious agent.
Deep facial bones that separate the oral and nasal cavities & form the nasal septum
Answers
The deep facial bones that separate the oral and nasal cavities and form the nasal septum are known as the ethmoid bone, the vomer bone, and the maxilla bone.
These bones are responsible for maintaining the structural integrity of the face and supporting the various functions of the oral and nasal cavities. The ethmoid bone, in particular, plays a crucial role in separating the two nasal cavities and providing structural support for the nasal passages. The vomer bone, on the other hand, helps to form the lower part of the nasal septum, while the maxilla bone contributes to the overall structure of the upper jaw and helps to support the teeth and gums. Together, these deep facial bones play an essential role in maintaining the health and proper functioning of the oral and nasal cavities.
The deep facial bone that separates the oral and nasal cavities and forms the nasal septum is the "vomer" bone. The vomer is a thin, flat bone that is located in the midline of the skull and divides the nasal cavity into left and right halves. It plays an essential role in supporting the structure of the nasal cavity and contributing to the overall structure of the face.
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Doctors can test a person's blood to determine what types of proteins are on the surface of the person's blood cells. This is called blood typing. Why does blood typing reduce the likelihood of tissue rejection in blood transfusions?
Answers
The likelihood that the organ would be rejected decreases as donor and recipient antigens become increasingly similar. To the greatest extent possible, the organ or tissue will match the recipient's tissues thanks to tissue typing.
What is meant by blood typing?You can determine what type of blood you have by blood typing. Blood typing ensures that you can safely give blood and receive blood transfusions. Additionally, it checks to see if the Rh factor, which is found on the surface of red blood cells, is present. For instance, you have type A blood if your blood cells clump together when exposed to antibodies against type A blood. After that, an anti-Rh serum will be combined with your blood sample.Rh-positive blood is indicated if your blood cells congregate in response to anti-Rh serum. Traditional blood type tests might take anywhere from 10 to 20 minutes.To learn more about blood typing, refer to:
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The major goal of industrialized agriculture for any crop has been to steadily increase each crop’s ____.
Answers
Any crop's main objective in industrialized agriculture has been to continually raise its yield, or the quantity of food produced per area of land.
What is meant by industrialization of agriculture?Industrial agriculture is the large-scale, intense production of crops and animals, frequently incorporating the hazardous routine use of antibiotics on animals or chemical fertilizers on crops (as a way to compensate for filthy conditions, even when the animals are not sick).
CAFOs and monoculture agriculture are examples of industrial agriculture.
Industrial agriculture's advantages
The fundamental benefit of intensive farming is that it performs better since it can gather bigger yields from fewer areas. This benefits landowners financially and supplies food for the expanding population.
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What feature of a body plan allows the specialization different parts of the body for different function
Answers
Answer: Tagmosis
Explanation: Tagmosis allows specialization of different parts of the body for different function
Hormone released by the duodenum in response to acids and lipids in the duodenum.
Answers
Secretin is a 27 amino acid polypeptide hormone produced by S cells of the duodenum in response to a pH between 2 and 4.5 (very acidic).
What is Secretin?Secretin is a 27 amino acid polypeptide hormone produced by S cells of the duodenum in response to a pH between 2 and 4.5. Upon reaching the duodenum, the chyme will be covered with pancreatic juice from the pancreas and with a pH close to 9 thanks to the presence of sodium bicarbonate.
What are the effects of secretin hormones?inhibiting gastric activity and activating the secretion of enzymes and bicarbonate by the pancreas, and of bicarbonate and bile salts by the liver.
With this information, we can conclude that Secretin is a hormone that regulates water homeostasis throughout the body and influences the environment of the duodenum by regulating secretions
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Subunits called ______ are the building blocks of nucleic acids, as determined by scientists by about 1930.
Answers
By the year 1930, scientists had discovered that nucleic acids are composed of components called nucleotides.
What do nucleotides mean?a molecule made composed of a nitrogen-containing base, such as adenine, guanine, thymine, and cytosine in Cd; adenine, guanine, uracil, and cytosine in RNA; a phosphate group; and a sugar, such as deoxyribose in Genetic code; ribose in RNA.
What are nucleotides, and what do they do?The basic units of RNA and DNA are nucleotides. They have genetic material. Coenzymes, such as nucleotides, are necessary for enzymes to catalyze various biological processes. In our bodies, energy is kept in the form of ATP.
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3. Which type of fossilization occurs when a sticky substance from plants captures and preserves an organism?
Permineralization
Mold
Fossil Resin
Tar
Answers
Answer:
Fossil Resin
Explanation:
The type of fossilization that occurs when a sticky substance from plants captures and preserves an organism is Fossil Resin.
Fossil resins are usually trapped in the resin that some trees and plants including amber, copal, and retinite exude.
Amber is also a fossil resin. Under the right conditions, resins polymerize and turn into copal. Copal matures into amber after several million years.
True or false the main source of energy and water cycle is gravity
Answers
Answer:
False please mark me brainlest.
Explanation:
what are the reactants necessary for photosynthesis?
Answers
Answer:
Water, Carbon Dioxide, and Sunlight
Explanation:
After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. These sugar molecules contain the energy that living things need to survive.
microorganisms are found in nearly every environment and are said to be multiple choice omniscient. contaminated. ubiquitous. omnipresent.
Answers
Microorganisms are found in nearly every environment and are said to be ubiquitous.
Microorganisms are ubiquitous or can be found in all types of micro- and macro-ecological habitats on Earth. They are able to endure harsh conditions that would kill more complicated species like mammals and humans. Some microbial taxa are more likely to be widespread because they are able to grow in or withstand a wide variety of environments. Other taxa, on the other hand, are extremely limited in their distribution and endemic because they can only survive in a very narrow range of climatic circumstances. As microorganisms, archaea and bacteria are ubiquitous because they are present in practically every ecological setting on Earth.
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