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Vertebrate: (backbone) an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
Related Questions
PLEASE ANSWER QUICK ILL GOVE BRAINLYIST Directions: Drag each tile to the correct box.
Arrange the levels of ecological organization from smallest to largest
organism
ecosystem population community
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Answer:
organism, population, community, ecosystem.
Math help me please it will help me
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Read the questions CAREFULLY
Answers
The source to sink active transport by plants includes:
Leaves (source) ---> Roots (sink)Leaves (source) ---> Fruits (sink)What is active transport?Active transport is the movement or transport of molecules by living organisms against their concentration with the expenditure of energy in the form of ATP.
Active transport is used to transport organic compounds into sieve tubes. This process involves transporting organic compounds such as sugars from the source cell into the companion cell, and then from the companion cell into the sieve tube.
A simplified model of this process is as follows:
Source cell → Companion cell → Sieve tube
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The faster alcohol is consumed, the faster it reaches the
Brain
Liver
Stomach
Bloodstream
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faster
Answer:
Bloodstream
Explanation:
When you drink alcohol, it enters your bloodstream and spreads throughout your body. It can reach your brain in just five minutes. Alcohol can make your blood vessels wider, which can cause you to feel warm and blush. If you drink too much alcohol too quickly, it can be dangerous and affect your breathing, heart rate, and body temperature.
How are precipitation and humidity similar?
Both are common to clear, calm weather.
Both are measured in Celsius or Fahrenheit.
Both involve moisture in the atmosphere.
Both are shown as "H" symbols on weather maps.
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Answer:
Both involve moisture in the atmosphere.
Explanation:
Precipitation and humidity are similar because they both involve moisture in the atmosphere.
what is a real-world example of a way more hospitals and clinics are moving to disposbale equipiment?
A. purchasing strong cardboard bowls instead of reusing wash basins.
B. incorporating disposable scalpels, forceps, and other basic surgical tools.
C. requiring staff to use decomposable clothing that is composted at the end of each shift.
D. 3D-printing cheap disposable attachments placed on expensive emdical equipment.
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Incorporating disposable scalpels, forceps, and other basic surgical tools is a real-world example of the way more hospitals and clinics are moving to disposable equipment. The correct option is B
Many hospitals and clinics are increasingly using disposable medical equipment
In order to lower the risk of infection and increase patient safety many hospitals and clinics are employing disposable medical equipment more frequently than ever before including scalpels and syringes.
Single-use disposables can reduce the requirement for sterilization and the spread of germs which can save time and money.
Therefore, Disposable equipment can also lower the chance of cross-contamination and raise the standard of care given to patients overall.
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Which of the following shows that Secretary of State Kerry is determined to end the fighting?
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HELP ME PLEASE I NEED THIS Write in complete sentences to explain what a budget is, how to make one, and how to balance it
(No passage)
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Answer: A budget is a financial plan that outlines expected income and expenses for a specific period of time. To make a budget, you need to list all sources of income and all expenses, including fixed expenses such as rent or mortgage payments and variable expenses such as groceries and entertainment. Once you have listed all income and expenses, you can calculate the difference between the two to determine if you have a surplus or deficit.
To balance a budget, you need to ensure that your expenses do not exceed your income. If you have a surplus, you can allocate the extra money towards savings or paying off debt. If you have a deficit, you will need to find ways to reduce your expenses or increase your income to balance your budget. This can be done by cutting back on discretionary spending, finding ways to save on necessary expenses, or finding additional sources of income.
Explanation:
15. Two Siamese and three Persian cats survive a shipwreck and are carried on driftwood to a previously uninhabited tropical island. All five cats have normal ears, but one carries the recessive allele for folded ears (his genotype is Ff). Calculate the frequencies of alleles F and f in the cat population of this island. If you assume Hardy-Weinberg equilibrium for these alleles (admittedly very improbable), about how many cats would you expect to have folded ears when the island population reaches 16,000?
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p + q = 1
where p is the frequency of the F allele and q is the frequency of the f allele. Since the population is small and we know the genotype of one of the cats, we can calculate the frequency of the f allele directly:
f = sqrt(q^2) = sqrt(1/5) = 0.447
Since the f allele is recessive, we can use the Hardy-Weinberg equation to calculate the frequency of the FF genotype (normal ears) as:
p^2 = 1 - 2pq - q^2 = 1 - 2(0.553)(0.447) - (0.447)^2 = 0.307
The frequency of the Ff genotype (normal ears) is given by:
2pq = 2(0.553)(0.447) = 0.494
The frequency of the ff genotype (folded ears) is:
q^2 = (0.447)^2 = 0.200
To estimate how many cats would have folded ears when the island population reaches 16,000, we can use the Hardy-Weinberg equation and assume that the population is in equilibrium:
p^2 + 2pq + q^2 = 1
The total number of cats with folded ears (ff genotype) would be expected to be:
ff = q^2 x 16,000 = 0.200 x 16,000 = 3,200
Therefore, we would expect about 3,200 cats to have folded ears in the island population when it reaches 16,000, assuming Hardy-Weinberg equilibrium. However, it is important to note that this assumption is unlikely to hold true in reality, as the small population size and genetic drift could lead to deviations from the expected frequencies.
In a long‑term study of a population of gray squirrels, researchers observed that most of the squirrels had gray fur. However, there were some individuals in the population with white fur (albino). Genetic analysis revealed that the albino condition is expressed by individuals who are homozygous recessive (gg). Over a ten-year period, the average frequency of albino squirrels in the population was 0.18. If the population is assumed to be in Hardy-Weinberg equilibrium, the average frequency of the dominant allele is closest to which of the following?
Answers
The average frequency of the dominant allele is closest to 0.52.
According to the Hardy-Weinberg equilibrium, the frequency of alleles in a population remains constant over generations, and the sum of the frequencies of all alleles must equal 1. Let p be the frequency of the dominant allele (G) and q be the frequency of the recessive allele (g). Then, p + q = 1.
Given that the frequency of homozygous recessive individuals (gg) is 0.18, we can use the Hardy-Weinberg equation to calculate the frequency of the recessive allele:
q² = 0.18Taking the square root of both sides gives us:
q = 0.424Since p + q = 1, we can calculate the frequency of the dominant allele:
p = 1 - q = 0.576Therefore, the average frequency of the dominant allele is closest to 0.52 (rounded to two decimal places).
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Procedure for observing slide under microscope
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What is the purpose of the cell wall?
Group of answer choices
to convert energy from the sun into glucose
to transport protein around the cell
to create protein
to provide structure for an organism
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Scenario the island kingdom viti levu had a rat problem. How would you describe changes in the rat population over time by reffering to the actions of slow changing and fast changing variables
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In the case of the rat problem on the island kingdom of Viti Levu, we can describe changes in the rat population over time by referring to the actions of slow-changing and fast-changing variables.
What is the rat problem?Long-term and rather slowly fluctuating variables have an impact on the rat population. Examples of slow-changing variables in this environment include the temperature of the island, the appearance of new predator species, or changes in land use that affect the amount of food and shelter available to the rats.
Although these slow-changing elements might not have an immediate impact on the rat population, they could have a significant one in the long run.
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Which is the most common theme among several of the theories O water O volcanic energy O electrical energy Ospace
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The most common theme among several of the theories listed is energy. Volcanic energy and electrical energy are both forms of energy, while water and space are not forms of energy but can be associated with energy in various ways. Hence options B and C are correct.
For example, water is often used to generate hydroelectric power, which is a form of energy. Space, on the other hand, is often studied in the context of astrophysics and the study of energy in the universe, such as dark matter and dark energy.
Therefore, while all of the options listed may be important and relevant in different fields of study, energy is a common theme that ties together several theories across different disciplines.
Hence options B and C are correct.
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Which of the following is not a defining element of culture?
A. Information shared among a population
B. Written symbols
OC. Information that is internalized
D. Information that is socially transmitted
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B. Written symbols is not a defining element of culture as not all cultures have a written language or symbols. However, information shared among a population, information that is internalized, and information that is socially transmitted are all essential components of culture.
Hope that helps! Have a nice day! <3
What effect did the population
boom have on the environment?
A Less pollution and more natural habitats
B More pollution and fewer
natural habitats
C The population boom did not affect the environment
Answers
Answer:
B
Explanation:
The larger the population, the heavier the reliance becomes on greenhouse gases which negatively impacts air quality. Due to construction, deforestation, etc., natural habitats are eliminated.
How is DNA changed when offspring are produced? Select all true answers.
If the offspring are produced by sexual reproduction, there are no changes
and the offspring will look just like one of the parents.
If the offspring are produced by asexual reproduction, the DNA will be
different from the parent organism.
If the DNA in the offspring is the same as the parent, the offspring was
produced by asexual reproduction.
Offspring resulting from sexual reproduction contain some DNA from both
parents and therefore contain instructions from both parents.
The DNA in multiple offspring produced by asexual reproduction from one
parent organism will be different in each offspring.
Answers
The answers are C,D because they make the most sense
what organizational level can produce the most viable offspring
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The organizational level of an organism can produce viable offspring and thus perpetuate the genetic material in the descendence.
What is the organizational level of an organism?The organizational level of an organism is referred to the most inclusive unity of life capable pr remaining independent in environmental conditions, which carries our many metabolic functions including the preproduction to perpetuate the genetic information of the species.
Therefore, with this data, we can see that the organizational level of the organism can reproduce and thus is the minor level to produce offspring.
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What is the difference between extant and extinct?
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Answer:
Extinct refers to species no longer in existence, having no living representatives – gone everywhere.
Extant The species is known or thought very likely to occur currently in the area.
Given the following sequence of baseswhat are the complementary base pairs. ATTCGACCATGC
Answers
Answer:
TAAGCTGGTACG
Explanation:
The complementary base pair rules for DNA are:
- adenine and thymine (A, T)
- guanine and cytosine (G, C)
Thus, to find the complementary base pair, change any A's to T's, T's to A's, G's to C's, and C's to G's.
Which mode of nutrition do the cotton like threads formed on the moist bread have
Answers
Answer:
Heterotrophic mode of nutrition
Explanation:
how dna determine traits
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DNA determines traits by encoding the instructions for the production of proteins, which carry out various functions in the body and contribute to an organism's characteristics.
How does DNA determine traits?DNA contains the genetic instructions that determine an organism's traits.
The sequence of nucleotides in DNA determines the sequence of amino acids in a protein, which in turn determines its shape, function, and ultimately its contribution to an organism's traits. The precise sequence of nucleotides in DNA is critical, as even small changes can have significant effects on the resulting protein and its function.
The amino acid sequence from the given DNA sequences is as follows:
DNA: CAT AGG GAG CAA GGG TGA CTT TTT AAT AAT GAC GGG
mRNA: GUA UCC CUC GUU CCC ACU UUA AAU AAU CUG CCC
amino acids: Valine - Serine - Leucine - Valine - Proline - Leucine
DNA: CAC CGT CGA GTA GTA AGA GGG CAT TTG TAA GGA GGG GGG TGT
mRNA: GUG CGA CGU CAU CAU UCU CCC CUA CCU CCC CAC
amino acids: Valine - Arginine - Arginine - Histidine - Histidine - Serine - Proline - Histidine
DNA: CAA TTG TTA CGG AAA AGA CCC GCC ATA ACA TTT
mRNA: GCU AAC AAU GCC UUU UCU GGG CGG UAU UGU AAA
amino acids: Alanine - Asparagine - Asparagine - Alanine - Phenylalanine - Glycine - Arginine - Tyrosine - Lysine
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4. If an atom has five protons, how do you know that it has five electrons as well?
Answers
Answer:
Atoms are neutral in electrical charge because they have the same number of negative electrons as positive protons (Table 4.5. 1). Therefore, the atomic number of an atom also tells you how many electrons the atom has.
Explanation:
bonding involves the valence shell electrons only, it is only necessary to illustrate those outer electrons.
Element
Group #
# of valence e-
Lewis dot structures
Calcium
Carbon
Fluorine
Oxygen
Neon
Hydrogen
Aluminum
Answers
Explanation:
porque los niños no van a las escuelas
pls help (earth science)
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The sedimentary bedrock in both regions originally formed as (1) horizontal layers
It should be noted that layer A is the oldest and layer D is the youngest.
The recently formed rock is siltstone.
How to explain the rocksThe principle of superposition can be utilized to determine the sequential ages of layers. According to this concept, in any succession of unaltered sedimentary rock strata, the oldest layer is situated at the bottom, while the youngest layer rests at the apex.
From investigation of the representation, layer A can be observed to lie at the bottom and layer D positioned at its peak; with layers B and C crammed between. Reciprocally, layer A can be concluded as being the eldest, whilst layer D being the most modernizing. The response, thusly, must be option (1) A.
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Which of the following is NOT one of the factors that affects our appraisal of a
stressor?
Answers
The factors that affect our appraisal of a stressor include timing, control, significance, and physical proximity.
Option (E) is correct.
A) Timing: This factor refers to the duration and frequency of the stressor. A stressor that occurs frequently or lasts a long time may be appraised as more stressful than a stressor that is short-lived or happens infrequently.
B) Control: This factor refers to the degree to which we believe we have the power to manage or cope with the stressor.
C) Significance: This factor refers to the importance we place on the stressor and its potential consequences.
D) Physical proximity: This factor refers to how physically close we are to the stressor. A stressor that is happening nearby or that we are directly exposed to may be appraised as more stressful than a stressor that is happening far away or that we are not directly exposed to.
E) All of the above: This answer choice states that all of the factors listed (timing, control, significance, and physical proximity) affect our appraisal of a stressor. This is the correct answer because each of these factors plays a role in how we perceive and respond to a stressor.
Therefore, the correct option is (E)
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The question is incomplete. the complete question is:
Which of the following is NOT one of the factors that affects our appraisal of a stressor?
A) Timing
B) Control
C) Significance
D) Physical proximity
E) All of the above factors affect our appraisal of a stressor
construct a scientific explanation using claim, evidence, and reasoning to help explain why Burchell’s zebras are making such a long migration during specific months of the year.
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Claim: Burchell's zebras are making a long migration during specific months of the year in order to obtain available food and water sources.
What evidence explain why Burchell’s zebras are making such a long migration during specific months of the year?The evidence that explains why Burchell’s zebras are making such a long migration during specific months of the year is that during the dry season, vegetation is scarce, and water sources are limited. Therefore, Burchell's zebras migrate to find suitable food and water sources.
The reasoning behind this is that the migration in order to survive of Burchell's zebras is evidence of their evolution to survive in their specific environment.
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Adults with more than a twelve (12) month history of migraines
Answers
Based on the information in the problem, the clinical phase of the study which is centered on migraine is Phase 3.
What is a migraine?Recurrent headaches of moderate to severe intensity, which can be accompanied by symptoms like nausea and vomiting as well as sensitivity to light and sound, are the hallmark of the headache illness known as migraine. Migraines can greatly affect everyday activities and quality of life and last anywhere from a few hours to several days.
Phase 3 trials are designed to test the effectiveness of a treatment in a larger population, typically involving several hundred to several thousand participants, and are conducted after preliminary evidence of efficacy has been demonstrated in Phase 2 trials.
Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug X (10 or 20 mg/day) or placebo. The primary efficacy measure was the reduction in severity of the migraine attacks. Enrollment was 1200 subjects. Which of the following best describes the clinical phase of this study?
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Question 3. Marine ecosystems ( include at least 2 citations and reference)
a) Describe a major plant of the estuary ecosystem.
b)Use the plant above to describe the main features of all estuary plants
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a) A major plant of the estuary ecosystem is Spartina alterniflora,
.
b) Estuary plants like the Spartina alterniflora, have some distinct features that allow them to thrive in the ecosystem.
they are able to survive in areas with high salinity levelsthey are able to withstand fluctuations in water levels and are most times submerged during high tides and exposed during low tides. They are able to survive in nutrient-poor soils by forming mutualistic relationships with bacteria. what is the estuary ecosystem ?Estuaries ecosystem are described as bodies of water where rivers meet the sea that provide homes for diverse wildlife, including popular fish species. They also support recreation, jobs, tourism, shipping, and more.
The Spartina alterniflora, is described as a perennial grass that is commonly found in salt marshes and estuaries along the Atlantic and Gulf coasts of the United States.
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Hemoglobin is a protein involved in oxygen transport. Myosin is a protein found in muscles. Which sentence describes these proteins?
O A. They can swap their functions when the body requires it.
OB. They can change their structures when the body needs more of a different type of protein.
O C. They have the same amino acid sequence and are just folded differently.
O D. Their structures are based on the amino acid sequences in their polypeptides.
Answers
The similarities between hemoglobin and myoglobin are They have the same amino acid sequence and are just folded differently. The protein in red blood cells is called hemoglobin which transports oxygen to the tissues. Tissue oxygenation and an adequate hemoglobin level should be an adequate level for survival.
Myoglobin is a monomeric protein that is mostly found in muscle tissue and serves as an intracellular oxygen storage site, whereas hemoglobin is a heterotetrameric oxygen transport protein that is found in red blood cells (erythrocytes).
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