Answer:
B) One scientist carries out the same experiment performed by another scientist to validate the results.
Explanation:
repetition definition is basically B.
One scientist carries out the same experiment performed by another scientist to validate the results. Therefore, option (B) is correct.
What is repetition?Repetition in science is the process of repeating an experiment or study to verify or validate the results. This is done to ensure that the results are accurate and reliable, and not due to chance or experimental error.
An example of repetition in science is when one scientist carries out the same experiment performed by another scientist in order to validate the results and confirm that they are accurate and consistent. This process helps to build confidence in the results and increases the credibility of the scientific findings.
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why a pond is considered a community and also ecosystem
Answer:
A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Ponds can be created by a wide variety of natural process (. on floodplains as cut off river channels, by glacial processes, by Pearl and
formation, in coastal dune systems, by beavers) or they can simply be isolated depressions (such as a kettle hole, vernal pool, prairie pothole or
Answer:
The pond contains both. It contains things like water, rocks, mud, sand, available oxygen, temperature, pH, etc. It also contains living items like bacteria, fish, frogs, etc. That's an ecosystem.
Explanation:
Can transcription and protein synthesis in eukaryotes occur simultaneously? Why?
Answer:
y
Explanation:
why y and yyyy and y y y y y y y y y y
90% H₂O
10%
solute
85% H₂O
15% solute
45% H₂O
65%
solute
75% H₂O
25% solute
30% H₂O
10%
solute
90% H₂O
10% solute
2
5.
8.
40% H₂O
60%
solute
90% H₂O
10% solute
90% H₂O
10%
solute
63% H₂O
37% solute
82% H₂O
18%
solute
25% H₂O
75% solute
3.
6.
9.
75% H₂O
25%
solute
80% H₂O
20% solute
50% H₂O
50%
solute
50% H₂O
50% solute
90% H₂O
10%
solute
80% H₂O
20% solute
A hypotonic solution is one in which there is more water than solutes, such as when there are 10% solutes and 85% water. When there are more solutes than water, it is called a hypertonic solution, such as 40% water and 60% solutes, whereas in an isotonic solution, the concentration is the same.
What is the significance of the different solutes in the concentration?There are different solutions based upon the solutes and the solvent ratios, such as when the cell is placed in the hypertonic solutions, the cell removes water to the outside, and when placed in the isotonic solutions, the size of the cell remains the same.
Hence, a hypotonic solution is one in which there is more water than solutes, such as when there are 10% solutes and 85% water. When there are more solutes than water, it is called a hypertonic solution, such as 40% water and 60% solutes, whereas in an isotonic solution, the concentration is the same.
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Which statement best express the purpose of the opening words of the us constitution we the people
political sovereignty stems from the consent of the people
In prokaryotes, transcription and translation can happen simultaneously because
a. DNA and mitochondria are both located in the nucleus
b. DNA and ribosomes are both located in the nucleus
c. DNA and mitochondria are both located in the cytoplasm
d. DNA and ribosomes are both located in the cytoplasm
In prokaryotes, transcription and translation can happen simultaneously because DNA and ribosomes are both located in the nucleus. Therefore, option B is correct.
The ribosomes are responsible for protein synthesis. They are also found in the cytoplasm of prokaryotic cells. The ribosomes read the mRNA produced during transcription and directly synthesize proteins using the information encoded in the mRNA.
The absence of a nuclear membrane in prokaryotes allows for the coupling of transcription and translation to occur in close proximity in the cytoplasm.
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All animals are eukaryotes. In a sentence or two, explain what this means.
Answer:
They all lack cell walls and chloroplasts and have smaller vacoules
Answer:
they consist of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus
Explanation:
Where is the capsule located in cells?
Della and Nick drove at constant
speed from town A to town B along
the same road. The distance between the
two towns was 210 km. Nick left
Town A half an hour later than Della
Both of them arrived in Town B at
the same time . Della drove at a
Speed of 60 km/h Find Nick's speed.
Plzz help mee
Answer:
70 km/hr
Explanation:
Distance between town A and B = 210 km
Della's speed = 60 km/hr
Time taken by Della = distance / speed
Time taken by Della = 210 km / 60km/ hr
Time taken by Della = 3.5 hours
Since Nick left half an hour later Than Della ;
Then, Nick's travel time = 3.5 - 0.5 = 3 hours
Nick's average speed = Distance /time
Nick's average speed = 210 / 3 = 70km/hr
1. creep : erosion ::
a. walk : run
b. elm : tree
c. weathering : slump
d. pollution : ocean
Answer:
C.
Explanation:
Weathering refers to creep; and slump would refer to erosion.
Maybe, but I am not 100%
But if so, please mark brainlest!
Giant sequoias can grow to be nearly 100 meters (328 feet) tall. They rely on a complex transport system to allow
water to travel from the roots to the leaves at the top of the tree.
Which transport tissue allows water to travel upward from the roots to the leaves?
Enter your answer in the box.
The transported tissue that allows water to travel upward from the roots to the leaves is the xylem tissue in vascular plants such as in this case giant sequoia.
What is the function of the xylem tissue in trees and vascular plants?The function of the xylem tissue in trees and vascular plants is to transport water and dissolved solutes from the roots to the upper organs, i.e., the shoot and leaves.
Therefore, with this data, we can see that function of the xylem tissue in trees and vascular plants is based on water transport.
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WILL MARK BRAINLEST
Question 2 of 5
How are elements in the same group in the periodic table alike?
A. They have the same color in nature.
B. They have similar chemical properties.
C. They have the same chemical symbol.
D. They have similar atomic masses.
SUBMIT
Answer:
D. They have similar atomic masses
What is a disadvantage of a 2D model of the digestive system?
a) difficulty determining the location of the digestive system
b) difficulty determining the texture of organs
c) difficulty determining the arrangement of organs
d) difficulty identifying organs
Answer:
B.
Explanation:
This is correct because you can see the organs, where they are, and the arrangement of them.
The Midwest United States is dominated by grasslands and food crops. Which abiotic factors of temperate grasslands create rich soils for farmland?
Low precipitation and distinct seasons
Distinct summers and winters; high rainfall
Mild winters, high precipitation, and lack of trees
High precipitation and little seasonal change
The wide amplitude of seasonal temperature and precipitation and the presence of dominant grasses provide structure and fertility to the soil of temperate grasslands. B) Distinct summers and winters; high rainfall.
What are temperate grassland biome characteristics?
This biome is distributed in the northern and southern hemispheres.
Temperate grasslands are open-plane areas covered by herbal vegetation, with a few deciduous woody species. Grasses dominate temperate grasslands.
They are severely affected by fires and tornados.
Fires, droughts, and grazing by animals prevent different woody species from establishing.
Temperature and rains in these regions widely vary with seasons.
The high levels of precipitation and humidity are characteristic of the biome. Rains occur more often during the spring and summer.
Climatic conditions drove grass species to develop large roots to establish on the ground. This characteristic helps to reduce erosion and to keep soil humidity.
The grasses' height is influenced by precipitation, with taller grasses growing in the areas where it rains more.
The soil characterizes as being unusually rich, fertile, and deep, getting nutrients from vegetation and rainwater. Dead vegetation tissues provides nutrients for the living one.
The correct option is B: Distinct summers and winters; high rainfall.
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A mother has blood type A and her son has blood type O. Which blood types are possible for the father?
A hetero gous ail yellow plant is crossed with a homorygous short green. Show the genoype od phenotypes of the Fi offspring and the probability of each.
The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.
The genotype and phenotype of the F1 offspringGenotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.
When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.
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This long muscle lies obliquely across the anterior thigh.It allows you to sit in a crossed-leg (lotus)position.It flexes the leg at the knee and abducts and laterally rotates the thigh at the hip.
A) Hamstrings
B) Quadriceps femoris
C) Sartorius
D) Gastrocnemius
Answer: it's C
Explanation:
The sartorius muscle is the longest muscle in the human body. It is a long, thin, superficial muscle that runs down the length of the thigh in the anterior compartment. The name Sartorius comes from the Latin word sartor, meaning tailor, and it is sometimes called the tailor's muscle.
WHO CAN HELP‼️‼️ pls
Answer: what are the options
Explanation:
9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
Does the scientific method steps always have to be in the same order? If not, why?
Due by Friday.
Answer: The steps may not always be completed in the same order. Following the four steps, the results of the experiment will either support the hypothesis or will not support the hypothesis. Scientists are always free to change or write a new hypothesis and start the four steps all over again.
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As a mountain ages it changes in appearance. Please explain these changes.
Answer:
As a mountain ages, it undergoes a variety of changes in appearance due to a number of geological processes.
What changes does mountains undergo?Erosion: Over time, mountains can be eroded by the forces of wind, water, and ice. This erosion can cause the shape of the mountain to change, as well as the color and texture of the rock. For example, as water flows over the rock, it can cause the surface to become smoother and more polished, while wind erosion can cause the rock to become pitted and textured.Weathering: Weathering is the process by which rocks are broken down into smaller pieces. This can occur due to physical weathering, such as freeze-thaw cycles, or chemical weathering, such as exposure to rainwater and other chemicals. As a mountain undergoes weathering, the rock can become more crumbly and fragmented, and the surface can become more exposed and weathered.Volcanism: Some mountains are formed by volcanic activity, and as they age, they can continue to experience volcanic activity. This can cause the mountain to change in appearance, as new volcanic material is added to the surface. Over time, this new material can weather and erode, leading to changes in the shape and texture of the mountain.Tectonic activity: Mountains are often formed by tectonic activity, which can also cause changes in appearance over time. As the plates that makeup the Earth's crust shift and collide, they can cause the mountain to rise and fall, creating new peaks and valleys. This can also cause the rock to become folded and faulted, leading to changes in texture and color.Glaciation: Glaciers can also play a role in shaping mountains over time. As glaciers move over the surface of the mountain, they can carve out valleys and leave behind moraines, which are piles of rock and debris. This can cause the shape of the mountain to change, as well as the texture and color of the rock.Overall, the changes that occur as a mountain ages can be dramatic and varied, depending on the specific geological processes that are taking place. These changes can be observed over the course of millions of years, and can provide valuable insights into the geological history of the Earth.
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As a mountain ages, it undergoes various changes in its appearance due to several geological processes. These changes occur over long periods of time and can be influenced by factors such as erosion, weathering, tectonic activity, and climatic conditions. Here's a detailed explanation of the changes that can occur:
1. Erosion: Erosion is one of the primary processes that shape the appearance of a mountain over time. It involves the wearing away of rock and soil by natural agents like water, wind, and ice. The specific erosional processes that affect a mountain include:
Water erosion: Rivers, streams, and rainfall can carve valleys and gorges into the mountain slopes, creating a network of drainage patterns. Over time, water can also create deep canyons and expose underlying rock layers.
Glacial erosion: In glaciated regions, glaciers slowly move down the mountain slopes, scraping and plucking rocks and sediment. Glacial erosion can result in U-shaped valleys, cirques, and sharp peaks known as arêtes.
Wind erosion: Wind can erode the surface of a mountain through abrasion and deflation. It can create features like wind-sculpted rocks, sand dunes, and exposed rock layers.
2. Weathering: Weathering refers to the breakdown and decomposition of rocks at or near the Earth's surface. It can be either physical or chemical:
Physical weathering: This involves the physical breakdown of rocks into smaller fragments without altering their chemical composition. Processes like freeze-thaw cycles, thermal expansion and contraction, and abrasion by wind or water can contribute to physical weathering. Over time, physical weathering can create angular rock debris and exposed cliffs.
Chemical weathering: Chemical processes like oxidation, hydrolysis, and carbonation act on the minerals within rocks, causing them to chemically decompose or dissolve. Chemical weathering can alter the color, texture, and composition of the mountain's rocks, resulting in different mineralogical compositions and weathering-resistant layers.
3. Tectonic activity: Mountains are often formed by tectonic forces and can undergo changes due to ongoing tectonic activity. These changes can include:
Folding and faulting: Tectonic forces can cause rocks to fold or bend, resulting in curved layers or undulating slopes. Faulting can create fractures in the rocks and lead to the formation of cliffs or steep escarpments.
Uplift and subsidence: Mountains can experience uplift, where geological forces push the Earth's crust upward, raising the mountain's height. Conversely, subsidence can occur when the crust sinks, leading to a reduction in the mountain's elevation.
Volcanic activity: Some mountains are volcanic in origin and can undergo changes due to volcanic eruptions. This can involve the deposition of volcanic ash and lava flows, which can alter the mountain's shape and composition.
4. Climatic conditions: Climate plays a significant role in the appearance of mountains over time. Climate factors such as temperature, precipitation, and vegetation can contribute to changes like:
Frost weathering: In cold climates, repeated freeze-thaw cycles can cause rocks to crack and break apart, leading to the formation of talus slopes or scree fields.
Glacier formation and retreat: In colder regions, glaciers can form and reshape the landscape. Glacial advances can sculpt the mountain's features, while retreat can leave behind moraines, erratic boulders, and glacial lakes.
Vegetation and erosion control: The presence or absence of vegetation on a mountain can influence erosion rates. Plant roots can stabilize soil and rocks, reducing erosion, while the absence of vegetation can lead to more extensive erosion.
Weathering rates: Climate conditions such as temperature, humidity, and precipitation levels can affect the rates of physical and chemical weathering, which in turn influence the appearance of the mountain.
Overall, these processes of erosion, weathering, tectonic activity, and climatic conditions work together over long periods of time to shape and transform the appearance of a mountain, creating a diverse range of landforms and geological features.
The diagram shows part of a grasshopper's respiratory system. Air passes into and out of openings in its sides. These openings are connected to tubes and air sacs that fill with air. The air tubes branch into tiny tubes that spread out and are found close to all cells. So, unlike other animals, the grasshopper does not exchange gases using its circulatory system. Air sac Openings Tubes F
The statement "the grasshopper does not exchange gases using its circulatory system" is true.
How is the circulatory system of the grasshopper?The description of the grasshopper's respiratory system in the given diagram suggests that the gas exchange occurs through a system of air tubes and sacs that connect to the openings on the sides of the grasshopper's body.
This system is separate from the circulatory system and allows oxygen to diffuse directly from the air tubes to the cells.
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Which part of the DNA model is most directly associated with the coding of genetic information?
The linear arrangement of nucleotides in DNA contains genetic information. A hydrogen bond between the G-C and A-T base pairs holds each DNA molecule's two complementary strands of nucleotides together to create a double helix. Thus, option D is correct.
What part of DNA code for genetic information?Each sugar group has a nucleotide base, a ringed nitrogen molecule, and it is the arrangement of these bases that encodes the genetic instructions for making proteins.
Genes store the instructions needed to produce particular proteins, which are responsible for an individual's unique characteristics.
Each gene can have many alleles, or variants, that each code for a different version of the desired trait. A cell's chromosomes, which each contain several genes, are home to those genes.
Therefore, nucleotide part of the DNA model is most directly associated with the coding of genetic information.
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The seed formed inside the ovary of the flower. As the seed develops in the flower, water is withdrawn from it so that it becomes almost dry. suggest why is it important?
Water withdrawal from the developing seed inside the flower is important to induce dormancy, enhance longevity, protect against pathogens, facilitate dispersal, and trigger germination under favorable conditions.
Water withdrawal from the seed during its development inside the ovary is crucial for seed dormancy, longevity, protection, dispersal, and germination. Dormancy enables seeds to survive unfavorable conditions. The dry state reduces metabolic activity, enhancing seed longevity. Withdrawing water creates an inhospitable environment for pathogens, safeguarding the seed. Dry seeds are lighter and more easily dispersed by wind, animals, or water, aiding in the colonization of new habitats. Rehydration of the seed after dispersal triggers germination, initiating growth.Overall, water withdrawal from the seed inside the ovary serves as a survival strategy, allowing seeds to endure harsh conditions, remain viable for extended periods, avoid microbial damage, disperse effectively, and germinate when conditions are favorable.
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What makes the reactants of photosynthesis and the reactants of cellular respiration similar?(1 point)Both involve combinations of glucose, water, and carbon dioxide.Both involve light energyBoth involve combinations of carbon, hydrogen, and oxygen. (my answer)Both involve ATP molecules.
Photosynthesis and cellular respiration are, in a way, opposite reactions.
While photosynthesis takes the light energy and water and converts carbon dioxide into glucose, cellular respiration takes the glucose to produce chemical energy and it results in carbon dioxide and water.
This means that both reactions involve glucose, carbon dioxide, and also water, so this would be the correct answer (A).
in physiological Genotype and phenotype disorder male and female in reproductive system
Both males and females can experience reproductive system disorders. These disorders can be caused by genetic factors, hormonal imbalances, structural issues, infections, or other medical conditions. In males, these disorders may include erectile dysfunction, infertility, testicular disorders, prostate problems, and hormonal imbalances. In females, they may include menstrual disorders, polycystic ovary syndrome, endometriosis, uterine fibroids, ovarian cysts, infertility, and hormonal imbalances. Treatment options vary depending on the specific disorder and may involve medication, hormonal therapy, surgery, or assisted reproductive technologies.
return to the first paragraph of activity 2.1.2: build-a-brain and reread the description of your morning activities. write a new paragraph describing your own morning routine. use your map to determine the part of the brain responsible for each of the actions, thoughts, or emotions that occur in your paragraph. either write the paragraph and add brain regions in parentheses after each activity or simply list the actions and write the brain region next to it.
My morning routine involves waking up, brushing my teeth, and making breakfast. (Hippocampus for memory, brain regions motor cortex for physical movements, insula for taste perception)
Every morning, I wake up to the sound of my alarm clock. The first thing I do is brush my teeth, using my brain regions motor cortex to perform the physical movements involved in brushing. I then head to the kitchen to make breakfast, using my hippocampus to recall the recipes and ingredients I need. While cooking, I focus on brain regions the taste and smell of the food, using my insula to perceive these sensations. This simple routine sets hippocampus the tone for my day brain regions and helps me start feeling energized and ready to tackle any challenges that may arise.
The complete Question is:
Write a new paragraph describing your own morning routine. use your map to determine the part of the brain responsible for each of the actions, thoughts, or emotions that occur in your paragraph. either write the paragraph and add brain regions in parentheses after each activity or simply list the actions and write the brain region next to it.
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What is the function of DNA polymerase? PLEASE HEP, MARKING BRAINLIEST
Answer:
The correct answer is - synthesizing and repairing the DNA molecules by joining nucleotides.
Explanation:
DNA polymerase is an enzyme that synthesizes the new DNA strand or molecule by joining individual free nucleotides on the sugar-phosphate backbone. It is also plays role in repairing the DNA molecules.
It is an enzyme that plays a major role in DNA replication to produce an exact copy of the original DNA molecule. The DNA polymerase also proofreads the produced DNA strand if there any error or mismatch of nucleotides present.
answer with explanation thank you
Part A:
The genes for feather color and texture are independently assorted, with light blue being more dominant than smooth and dark blue. It appears that the characteristics for wing colour (light blue vs. dark blue) and wing texture (smooth vs. ridged) are separately assorting based on the observed ratios of offspring with various combinations of wing colour and texture.
Part B:
One theory for why lactose tolerance evolved in humans is that increased selection during famines led some individuals to have a different food supply and increased fat consumption, which offered more resources for improved fitness. These two possibilities may serve as theories for the evolution of lactose tolerance in humans. One characteristic often seen in people with a history of dairy farming is the ability to digest lactose (the sugar contained in milk) from infancy.
Therefore, the correct options for Part A and Part B are B and B &D respectively.
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If allele B made bacteria resistant to antibiotics, which of the following is correct
Answer:
The Bacteria population is less likely to be killed by antibiotics
Which of the following best Explains how trees help conserve energy and reduce pollution in cities?
A. Three shade buildings which reduces the use of derived from fossil fuels
B. Trees remove carbon dioxide and add oxygen the atmosphere
C. Trees filter particulates and polluting gases from the atmosphere.
D. All of the above
Answer:
D
Explanation:
in any test or quiz that there is an answer that says all of the above its always all the above
The statement that explains how trees help conserve energy and reduce pollution in cities are three shade buildings that reduce the use of derived from fossil fuels, remove carbon dioxide, and they filter particulates and pollute gases from the atmosphere. The correct option is D, all of the above.
What is pollution?Pollution is the unwanted things that pollute or waste the environment and harm the earth and living beings. If trees are planted in large numbers, the carbon dioxide gas in the atmosphere is absorbed by plants for photosynthesis. Plants absorb carbon dioxide, which is released when fossil fuels are burned, and hence contribute to pollution reduction.
Every year, trees absorb one-third of all world emissions. Particles, odors, and harmful If trees are planted in large numbers, the carbon dioxide gas in the atmosphere is absorbed by plants for photosynthesis. Plants absorb carbon dioxide, which is released when fossil fuels are burned, and hence contribute to pollution reduction.
Every year, trees absorb one-third of all world emissions. Particles, odors, and harmful gases such as sulfur dioxide, nitrogen oxides, and ammonia accumulate on the leaves of trees.such as sulfur dioxide, nitrogen oxides, and ammonia accumulate on the leaves of trees.
Therefore, the correct option is D, all of the above.
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