Fossil remains of Lystrosaurus (an extinct four-legged animal) have been
discovered in India and South Africa. When they were living, all the
Lystrosaurus lived together on land, and they could not swim. However,
now there is an ocean between the Lystrosaurus fossils. What could
explain how these fossils got so far apart?
Answers
Answer:
India and South Africa are parts of different plates. The plates slowly moved apart as new plates from underneath got added between them over millions of years.
Explanation:
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The fossil remains of Lystrosaurus who is an extinct four-legged animal discovered in South Africa and India ( even though these animals lived together and did not posses the ability to swim) indicates that:
The South Africa and India are a part of different plates that separated with time.These plates moved apart from each other slowly as soft rocks started forming along the edges of these plates pushing these two further apart.Hence, the different locations of the fossil can be explained using the moving apart of the plates.
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Related Questions
12 POINTS!!
Semiconductors are materials that conduct electric current better than insulators but not as well as conductors.
Please select the best answer from the choices provided
T
F
Answers
Answer:
True
Explanation:
Hope this helps!
Answer:
True :)
Explanation:
Explain why honeybees and flowers have a mutualistic relationship.
Answers
PLEASE ANSWER
Horace has decided that he is going to do as many push-ups as he can on Monday mornings to see how well his strength building exercises are working. If the number increases, he will know that he is getting stronger. Is this a good strategy?
options:
A. Yes, this is an effective way to monitor strength.
B. No, push-ups are a better indicator of cardio fitness than strength.
C. Yes, but it would be better if he could get his strength professionally measured.
D. No, if he can do more push-ups it just means that he is getting better at push-ups.
please no links
Answers
Many people push themselves to the limit of 300 times every day. But if done properly, even 50 to 100 push-ups should be enough to maintain a strong upper body for the average person. Thus, option A is correct.
What are the benefits of doing push-ups daily?Start with 20 push-ups, but don't limit yourself to that number. It's decisive to continually lifting the amount to keep your body guessing.
Push-ups done the old-fashioned way are good for developing upper body strength. They exercise the shoulders, pectorals, and triceps.
By contracting (drawing in) the abdominal muscles, they can also strengthen the lower back and core when done with perfect technique. Push-ups are a simple and powerful exercise for increasing your strength.
Therefore, Yes, this is an effective way to monitor strength.
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if t takes P-wave five minutes to travel from the epicenter of an earthquake to seismic station, approximately how long will it take for a S-wave to travel the same distance?
Answers
An S-wave would therefore need to travel the same distance from the epicenter to the seismic station in about 8.33 minutes.
S-waves move at a speed that is typically between 60% and 70% that of P-waves. For this computation, a cautious estimate of 60% is used.
We can calculate the time it would take for an S-wave to traverse the same distance if P-waves take five minutes to reach the seismic station by dividing the P-wave time by 0.6:
Time for S-wave equals Time for P-wave / 0.6, or 5 minutes divided by 0.6 results in 8.33 minutes.
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calcium is released and sequestered differently in skeletal and cardiac muscles. what is one physiological relevance of cardiac muscle calcium handling?
Answers
Calcium is released and sequestered differently in skeletal and cardiac muscles, this difference is due to the specific properties of the muscle fibers of each muscle.
In skeletal muscle, calcium is released from the sarcoplasmic reticulum (SR) into the cytoplasm in response to an action potential. In cardiac muscle, calcium is released from the SR and also from the extracellular space. This difference in calcium handling is physiologically relevant because in cardiac muscle, calcium ions play a key role in the contraction and relaxation of cardiac muscle fibers. Calcium ions bind to the protein troponin, which then triggers a series of events that result in muscle contraction. The cardiac muscle fibers are able to release calcium ions from the SR and extracellular space, this allows for a more rapid and sustained contraction of the cardiac muscle, which is necessary for the efficient pumping of the blood throughout the body.
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what is the epithelial layer (of the ciliary body)?
Answers
The epithelial layer of the ciliary body is a layer of cells located in the ciliary body of the eye, which is a ring-shaped structure that surrounds the lens.
The ciliary body is responsible for the production of aqueous humor, which is a fluid that helps maintain the pressure of the eye and provides nutrients to the cornea and lens.
The epithelial layer of the ciliary body is composed of two parts: the non-pigmented epithelium and the pigmented epithelium.
The non-pigmented epithelium is responsible for the production of aqueous humor, while the pigmented epithelium helps regulate the amount of light entering the eye by changing the size of the pupil.
The epithelial layer of the ciliary body is essential for maintaining the health and function of the eye, and any disruption to this layer can lead to a variety of eye diseases and conditions.
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if a plant is infected with a virus that blocks the enzyme atp synthase, the calvin cycle will still be able to produce g3p.
Answers
The plant metabolism is a complex process that requires the coordination of multiple cellular pathways, including photosynthesis and respiration, for the optimal growth and survival of the organism.
A plant cell's primary energy currency is adenosine triphosphate (ATP), which is generated by the enzyme ATP synthase through the process of oxidative phosphorylation, which occurs in the mitochondria. This ATP provides the energy required for the plant to carry out its metabolic processes. However, if a plant is infected with a virus that blocks ATP synthase's enzyme, it cannot produce ATP, and hence, its metabolism and growth are affected.
Nonetheless, the Calvin Cycle is still capable of producing glyceraldehyde 3-phosphate (G3P), even if ATP synthesis is blocked by a virus. Calvin cycle is a biochemical pathway of photosynthesis in which carbon dioxide is converted into organic compounds, with the help of light energy, by the plant's chloroplasts. During the Calvin cycle, carbon dioxide combines with ribulose-1, 5-bisphosphate (RuBP) to form two molecules of 3-phosphoglycerate, which are converted to glyceraldehyde 3-phosphate (G3P) by utilizing energy and reducing power from ATP and NADPH, respectively, which are generated during the light-dependent reactions. These G3P molecules are used to synthesize glucose, starch, and other organic compounds, which provide energy to the plant. In conclusion, the plant's ability to produce G3P by the Calvin cycle, even if the ATP synthase enzyme is blocked, can help the plant to survive and grow under stress conditions like viral infection.
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The proofreading function of dna polymerase reduces the error rate from about one in a million base pairs to about one in a ________ base pairs.
Answers
The proofreading function of dna polymerase reduces the error rate from about one in a million base pairs to about one in a __hundred million__ base pairs.
What is dna polymerase ?All living things contain a particular type of enzymes called DNA polymerase. DNA replication and DNA repair and upkeep are two of its primary functions. The enzyme is essential for the generational transmission of genetic information.
In order to prevent translesion synthesis and to correct freshly created nucleotide incorporation mistakes from the primer terminus before further primer extension, DNA polymerases perform a process known as proofreading.DNA polymerases' major function is to precisely and effectively replicate the genome in order to maintain the genetic information and ensure that it is faithfully passed down through the generations.Learn more about DNA polymerase here:
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the medulla is located directly above the spinal cord in the hindbrain and controls
Answers
The medulla is located directly above the spinal cord in the lower part of the brain stem and controls many vital autonomic functions such as heart rate, breathing, and blood pressure.
What is nervous system?
The brain, spinal cord, and a sophisticated nerve network are all parts of the nervous system. The brain and the body are communicated with via this system.All bodily functions are managed by the brain.From the brain, the spinal cord descends via the back. It is made up of strands of nerves that branch out to every organ and area of the body. The brain sends and receives messages via this network of nerves to various parts of the bodyPart of nervous system:
The central nervous system and the peripheral nervous system make up the nervous system:The brain and spinal cord are components of the central nervous system.The nerves that run throughout the entire body are a part of the peripheral nervous system.Medulla:
medulla oblongata is the bottom-most part of your brain. Its location means it's where your brain and spinal cord connect, making it a key conduit for nerve signals to and from your body. It also helps control vital processes like your heartbeat, breathing and blood pressure.Hence, medulla controls heart beat, breathing rate and blood pressure.
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Decide if each statement is a fact or a misconception about the theory of evolution by natural selection.
According to the theory,
individual organisms
can evolve during
their lifespan.
The theory suggests that
the organisms in a
population that are the
most well adapted are
those that are the largest.
The theory says that
natural selection gives
organisms everything they
need to live.
The theory explains the
origin of life.
The theory proposes that
while natural selection
acts on individuals,
only populations evolve.
The theory says that
organisms that are
better adapted to their
environments will have
higher survival and
reproduction rates.
Answers
Answer:
the theory suggests that the organisms that are well adapted to their environment will have higher survival and reproduction rates.
Answer:Natural selection is the process by which organisms are able to survive and produce offspring who use their environment successfully as compare to those which are less adapted to their environment.
The theory proposes that while natural selection acts on individuals, only populations evolve. Fact
The theory suggests that the organisms in a population that are the most well adapted are those that are the largest. Fact
According to the theory, individual organisms can evolve during their lifespan. Misconception
The theory says that organisms that are better adapted to their environments will have higher survival and reproduction rates. Fact
The theory explains the origin of life. Misconception
The theory says that natural selection gives organisms everything they need to live. Misconception
Proteins are synthesized: Group of answer choices Amino to carboxy terminal 3'-to-5' Carboxy to amino terminal 5'-to-3'
Answers
Proteins are synthesized from the A. amino to the carboxy terminal.
Amino acids are added one by one to the carboxyl end of the growing protein chain during translation, a process that begins with the N-terminal methionine in most cases.The C-terminal end of a protein is the side of the polypeptide chain that terminates in the free carboxyl (COOH) group of a terminal amino acid. The N-terminal end of a protein is the end that has a free amino (NH2) group. In a peptide bond, the carboxyl group of one amino acid is linked to the amino group of another amino acid.
The N-terminus is the starting point for translation, which is the process of protein synthesis. Translation begins with the start codon, AUG, which specifies the N-terminal methionine. The ribosome reads the mRNA strand, one codon at a time, and adds amino acids to the growing protein chain at the C-terminus, this process continues until a stop codon is reached. So therefore proteins are synthesized from A. amino to the carboxy terminal.
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A large protein needs to enter a cell to help preform a function explain what process the cell must use to allow the protein to enter and why
Answers
Answer:
The protein is too large to simply diffuse across the phospholipid bilayer of the cell, so it uses phagocytosis to diffuse across, where it is contained in a vesicle and pinched into the cell? Credits to yahoo answer. Hope I could help sweets.
Cell membranes acts as a barrier for the large,charged and polar molecules due to their hydrophobic nature.
These molecules are transported with the help of membrane proteins such as carrier proteins across the plasma membrane by a process known as facilitated diffusion. These membrane proteins diffuse larger molecules across the cell membrane that cannot be transported by simple diffusion.
Decomposers are . . .A. fungus and bacteria.B. autotrophs and heterotrophs.C. consumers and producers.
Answers
All of the choices are correct. Decomposers are consumers, saprotrophs, and heterotrophs. Bacteria and fungi are examples of decomposers.
Decomposers are organisms that break down dead or decaying organisms. They are also grouped as consumers, saprotrophs, and heterotrophs. Saprotrophs are any organism, especially a fungus or bacterium, that lives and feeds on dead organic matter.
Heterotrophs are organisms that cannot manufacture their own food by carbon fixation and therefore derives their intake of nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are secondary and tertiary consumers. Decomposers are consumers, saprotrophs, and heterotrophs while bacteria and fungi are examples of decomposers.
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Which structure contributes the most to semen?
prostate
seminal vesicle
Cowper's gland
testicles
Answers
The layers of the Earth are described by their composition but not their mechanical properties. True or false
answer is false
edgen 2022
Answers
Answer:
False
Explanation:
The layers include mantle, crust, cores, lithosphere.
Valuing Bonds Tesla raised money to finance an expansion of their factory in Nevada, so they currently have 2 bonds outstanding. Bond 1 has a face value of $30,000 and matures in 20 years. The bond makes no payments for the first six years, then pays $800 every six months over the subsequent eight years, and finally pays $1,000 every six months over the last six years. Bond 2 also has a face value of $30,000 and a maturity of 20 years; it makes no coupon payments over the life of the bond. If the required return on both these bonds is 5.6 percent compounded semiannually, what is the current price of each bond - Bond 1 and Bond 2
Answers
The current price of Bond 1 is approximately $20,343.12, and the current price of Bond 2 is approximately $6,313.81.
PV = C * [1 - (1 + r\()^(-n)\)] / r
\(PV_{coupon\) = $800 * [1 - (1 + 0.056/2\()^{(-16)\)] / (0.056/2) ≈ $9,697.51
\(PV_{facevalue\) = $1,000 * [1 - (1 + 0.056/2\()^{(-12)\)] / (0.056/2) ≈ $10,645.61
Current \(Price_{Bond1}\) = \(PV_{coupon\) + \(PV_{facevalue\)
= $9,697.51 + $10,645.61
≈ $20,343.12
\(PV_{facevalue_{bond2}\) = $30,000 / (1 + 0.056/2\()^(20\)*2) ≈ $6,313.81
The current price of Bond 2 is equal to the present value of the face value:
\(Current Price_{Bond2} = PV_{facevalue}_{bond2}\) ≈ $6,313.81
Bond is a fictional character created by British author Ian Fleming, known for being the protagonist of the James Bond series of novels. Bond is a suave and sophisticated British secret agent, also known by his code name, 007. He works for the British intelligence agency MI6 and is known for his exceptional skills in espionage, combat, and seduction.
Bond is characterized by his impeccable style, love for luxury, and preference for high-tech gadgets. He has a sharp intellect, resourcefulness, and a cool demeanor under pressure. Bond is often assigned dangerous missions to thwart the plans of international criminals and enemy organizations.
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Which picture below is showing DNA polymerase making more DNA
Answers
4. Which compound is a hydrocarbon?
O CO2
O C6H1206
O H₂0
O C₂H6
Answers
The hydrocarbon chemical is C6H1206.
What is meant by hydrocarbon ?An organic chemical molecule that only contains hydrogen and carbon atoms is referred to as a hydrocarbon. Natural hydrocarbons are the building blocks of coal, natural gas, crude oil, and other significant energy sources.
The most fundamental category of organic molecules is referred to as a hydrocarbon. They are simply composed of the elements hydrogen and carbon, as their name suggests.Hydrogen atoms surround one or more central carbon atoms in hydrocarbon molecules, which are branching or chain-like in shape.
Fuel is the most significant application of hydrocarbons. Among the most widely used hydrocarbon fuels include gasoline, natural gas, fuel oil, diesel, jet fuel, coal, kerosene, and propane.
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Suggest two reasons why more of our fish are supplied by fish farming rather than from traditional
fishing
Answers
Answer:
Due suitable environment and high productivity.
Explanation:
More fish are supplied by fish farming rather than from traditional because farms are build in order to harvest more fish by providing suitable environment to the fish. In transitional ways, fish are caught in nets from the rivers by local people for theirselves and the extra will sold in the market. In rivers there are less number of fish which does not meet the requirements of people so that's why commercial farming of fish can be done.
What is the building block of all
living things?
3.
A the cell
the chloroplast
the nucleus
D the cytoplasm
2. Which of the following statements is true?
Answers
Answer:
With no doubt ,
The cell is the building block of all living things.
which of the following statements are true about dna replication in eukaryotes? select all that apply. a. replication of the entire genome takes about ten minutes. b. a replication fork occurs at each growing point of the replicating chromosome(s) c. eukaryotes have many different chromosomes, with replication occurring in each at the same time d. replication occurs at the rate of about 500-5000 base pairs per minute e. multiple sites of replication are present on each chromosome
Answers
True statements
b. a replication fork occurs at each growth point of the replicating chromosome;
During DNA replication, a double-stranded DNA helix unwinds and splits into two single strands, creating a replication fork. A replication fork is the point at which two DNA strands are separated and a new strand is synthesized.
c. Eukaryotes have many different chromosomes, and each replicates simultaneously.
Eukaryotes have multiple chromosomes and replication occurs in all of them simultaneously.
d. replication occurs at a rate of approximately 500-5000 base pairs per minute.
The rate of DNA replication in eukaryotes is typically 500-5000 base pairs per minute.
e. each chromosome has multiple sites of replication.
DNA replication occurs at multiple sites on each chromosome called origins of replication. These origins are where the replication process begins and are distributed along the chromosome to allow efficient whole-genome replication.
False statements
a. Whole genome replication takes about 10 minutes.
Replication of an entire eukaryotic genome can take hours to days, depending on the size of the genome and the particular organism.
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A product has a contribution margin of $4 per unit and a selling price of $30 per unit. Fixed costs are $28,000. Assuming new technology increases the unit contribution margin by 60 percent but increases total fixed costs by $10,400, what is the new breakeven point in units
Answers
The new breakeven point in units is 6,000 units.
To calculate the new breakeven point in units, we need to use the formula:
Breakeven Point (in units) = Fixed Costs / Contribution Margin per Unit
Using the given information, we can calculate the current breakeven point:
Breakeven Point (in units) = $28,000 / ($30 - $4) = 1,120 units
Now, with the new technology increasing the unit contribution margin by 60%, the new contribution margin per unit would be:
New Contribution Margin per Unit = $4 x 1.6 = $6.40
However, the total fixed costs have increased by $10,400. So the new fixed costs would be:
New Fixed Costs = $28,000 + $10,400 = $38,400
Now we can calculate the new breakeven point:
New Breakeven Point (in units) = $38,400 / $6.40 = 6,000 units
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what do porifera (sponges), ctenophora (comb jellies) and cnidaria (jellyfish, corals, anemones, and hydroids) have in common regarding symmetry?
Answers
Answer:
They are non-bilaterian.
Explanation:
All the animals you listed are non-bilaterian; any organism that lacks bilateral symmetry is non-bilaterian, which is what all of those have in common.
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DNA replication results in two DNA molecules. What is true about each of the two new DNA molecules?
a
Each DNA molecule has two original strands.
b
Each DNA molecule has two new strands.
c
One DNA molecule has two new strands and the other has two original strands.
d
Each DNA molecule has one new strand and one original strand.
Answers
Answer:
D
Explanation:
Brainlest if it helped
M. Williams et al. reported on a study of characteristics of neonates. Infants treated for pulmonary hypertension, called the PH group, were compared with those not so treated, called the control group. One of the characteristics measured was head circumference. The mean head circumference of the 10 infants in the PH group was 34.2 centimeters (cm).
a. Assuming that head circumferences for infants treated for pulmonary hypertension are normally
distributed with standard deviation 2.1 cm, determine a 90% confidence interval for the mean head
circumference of all such infants.
b. Obtain the margin of error, E, for the confidence interval you found in part (a).
c. Explain the meaning of E in this context in terms of the accuracy of the estimate.
d. Determine the sample size required to have a margin of error of 0.5 cm with a 95% confidence level.
Answers
A study by M. Williams et al. compared head circumference in neonates treated for pulmonary hypertension (PH group) with a control group. The mean head circumference of the 10 infants in the PH group was 34.2 cm, with a standard deviation of 2.1 cm. Using a 90% confidence level, the calculated confidence interval for the mean head circumference of all infants with pulmonary hypertension is 33.13 cm to 35.27 cm.
The margin of error is approximately 1.070 cm.
To achieve a 95% confidence level and a margin of error of 0.5 cm, a sample size of around 1147 would be required.
Thus, using a 90% confidence level, the calculated confidence interval for the mean head circumference of all infants with pulmonary hypertension is 33.13 cm to 35.27 cm.
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___________ is a protein that stabilizes existing actin micofilaments
Answers
Tropomyosin is a protein that stabilizes existing actin microfilaments.
Tropomyosin is a two-stranded, alpha-helical coiled-coil protein that twists along the actin filament surface, spanning seven actin monomers. It stabilizes existing actin microfilaments by preventing actin polymerization and depolymerization.Tropomyosin is a long, thin, fibrous protein that binds to the actin molecule's grooves.
It stabilizes actin microfilaments by promoting the formation of microfilaments and inhibiting the depolymerization of microfilaments by sterically blocking actin filament association. Tropomyosin's coiled coil binds to a continuous groove on the surface of actin monomers, which serves as a scaffold for troponin to attach to tropomyosin.The tropomyosin molecule stabilizes the actin filament by preventing the myosin head from binding to the actin monomers, causing muscle contraction.
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Which is a negative effect of deforestation on the environment?
habitat restoration
desertification
soil production
urbanization
Answers
The negative effect of Deforestation on the environment includes biodiversity loss, soil erosion, water pollution, and desertification. So option B is correct.
What is meant by deforestation?Deforestation is the process of removing trees from a forest to facilitate human activities. Deforestation is a major environmental issue as it can lead to biodiversity loss, habitat destruction, water pollution, and soil erosion.
The most common definition of deforestation is the felling of trees by humans. However, deforestation can also be caused by natural events such as floods or fires. Deforestation is most commonly used to clear land for agricultural purposes or to harvest timber from fallen trees.
The rapid decimation of forests is causing a biodiversity crisis unprecedented in history. The primary impact of deforestation on wildlife is habitat destruction. Many factors associated with the destruction of trees contribute to the extinction of species. Land erosion removes nutrients from the soil, which is a major source of food for animals and plants.
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what type of experiment is an obsevational study?
Answers
Answer:
onsider someone on the busy street of a New York neighborhood asking random people that pass by how many pets they have, then taking this data and using it to decide if there should be more pet food stores in that areac
Explanation:
I googled it!! (study.com)
Help with 2 or 3 please
Answers
Answer: I think this is the answer to 3 and 2 happy to help
Explanation:
a field-based experiment was carried out that investigated the distribution of two different species of fish in an estuary. total marks [5] a. suggest environmental factors that could affect the distribution of fish in an estuary. [3] b. these factors cannot be controlled during the experiment. explain what should be done instead. [2]
Answers
a. There are several environmental factors that could affect the distribution of fish in an estuary. Some possible factors include water temperature, salinity levels, dissolved oxygen levels, water flow, nutrient availability, and presence of predators or competitors. These factors can have a significant impact on the abundance and spatial distribution of fish species within the estuary.
b. Since these environmental factors cannot be controlled during the experiment, it is important to account for them in the data analysis. Researchers should collect data on the environmental conditions at each sampling site and include this information as a variable in their analysis. By doing so, they can examine how these environmental factors may be influencing the distribution of fish species in the estuary. This approach allows for a more accurate interpretation of the results and helps to minimize any confounding effects that the uncontrolled environmental factors may introduce.
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