Compare and contrast the terms theory and hypothesis in
science. Include:
how the two are similar
2 ways they are different
Answers
Difference: A theory, in contrast, is a principle that has been formed as an attempt to explain things that have already been substantiated by data. It is used in the names of a number of principles accepted in the scientific community, such as the Big Bang Theory. Because of the rigors of experimentation and control, its likelihood as truth is much higher than that of a hypothesis.
A hypothesis is usually tentative, an assumption or suggestion made strictly for the objective of being tested.
Simlarties: A hypothesis is either a suggested explanation for an observable phenomenon or a reasoned prediction of a possible causal correlation among multiple phenomena. In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors.
Related Questions
Which statements describe freshwater sources? Check all that apply.
Rainwater can replace or replenish freshwater sources.
Precipitation, such as rainwater, is the source of freshwater on Earth.
When the amount of surface freshwater increases, so does the amount of groundwater.
Human activity, such as taking a bath, may change the quality of a freshwater resource.
Pollution in lakes does not affect groundwater because the ground acts as a barrier or filter.
Answers
Precipitation, such as rainwater, is the source of freshwater on Earth is the source of freshwater .
What is freshwater ?Freshwater is defined as water with less than 1,000 milligrammes per litre of dissolved particles, most commonly salt. Surface water bodies on Earth are usually thought of as renewable resources as part of the water cycle, despite their reliance on other parts of the water cycle.
What is water cycle ?The water cycle is frequently presented as a straightforward continuous cycle of evaporation, condensation, and precipitation. Although this is a helpful model, the reality is far more complex. Water's paths and influences in Earth's ecosystems are highly complex and not fully known. NOAA is working to improve our knowledge of the water cycle at all scales, from global to local, in order to better predict weather, climate, water resources, and ecosystem health.
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Answer:
A,B,C,D took on edge
Explanation:
This questions has two parts
35 points
Answers
Part A
Answer: (A) Candida Albicans and Saccharomyces Cerevisiae
Explanation: They have the smallest difference in Cytochrome C
Part B
Answer: (B) The two species have high molecular homology
Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.
(A) is not the right answer because the fungi in the table might all look similar but have different or similar genetic blueprints.(C) is not the right answer because fungi can reproduce sexually or asexually, so reproduction cannot help with determining relatedness.(D) is not the right answer because if the two species from the answer in Part A are closely related because they are both fungi, the answer for Part A should be all of the options.T/F neurons are responsible for sending and receiving signals referred to as action potentials while neuroglial cells serve a variety of supportive functions.
Answers
The statement "neurons are responsible for sending and receiving signals referred to as action potentials while neuroglial cells serve a variety of supportive functions." is true.
In a more detailed explanation, neurons are specialized cells in the nervous system that transmit electrical and chemical signals called action potentials, allowing communication between various parts of the body.
On the other hand, neuroglial cells, also known as glial cells, have multiple roles, including providing structural support, maintaining homeostasis, forming the myelin sheath around axons, and assisting in the repair process after injury.
There are several types of neuroglial cells, such as astrocytes, oligodendrocytes, and microglia, each with their specific functions. Together, neurons and neuroglial cells form the complex network that makes up the nervous system, with neurons responsible for signal transmission and glial cells providing essential support.
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A population of beetles eats only red flowers. Most of the beetles are red but a few of them are yellow. The red beetles are hidden from hungry, beetle-eating birds. The beetles eat up all of the red flowers and now there are only yellow flowers left. What would you expect to happen to the traits of the beetle population over time? Provide evidence to support your answer.
HELP PLEASE
Answers
There would be more yellow beetles cause now theirs only yellow flowers
Gradualism happen to the traits of the beetle population over time, The beetles eat up all the red flowers and now there are only yellow flowers left.
What happened to the traits of the beetle?Only red blossoms are eaten by a population of beetles. A few of the beetles are yellow, but the majority are red. In order to avoid being eaten by vultures, the red beetles remain hidden. There are no longer any red blossoms since the bugs have devoured them all.
A field with red flowers is home to a population of beetles. Inside the blossoms, the beetles reside. The insects are typically red as well, though occasionally you may see a yellow bug. Variation is the term for when a quality manifests itself in diverse ways, such as the various colors of beetles.
Therefore, gradualism happen to the traits of the beetle.
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What are the medial and lateral geniculate bodies of thalamus?
Answers
The medial and lateral geniculate bodies are two structures located in the thalamus of the brain. They play a critical role in processing sensory information, particularly related to vision and hearing. The medial geniculate body is primarily involved in auditory processing, while the lateral geniculate body is involved in visual processing.
The medial geniculate body is a group of nuclei that receives information from the auditory system and relays it to the primary auditory cortex. This region of the brain is responsible for processing sound information, including pitch, volume, and location. The lateral geniculate body, on the other hand, is a group of nuclei that receives information from the optic nerve and relays it to the visual cortex. This region of the brain is responsible for processing visual information, including color, shape, and movement. Together, these structures play a crucial role in the perception and interpretation of sensory information in the brain.
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Genetic goitrous cretinism and alkaptonuria are metabolic disorders in the ____ pathway.
Answers
Genetic goitrous cretinism and alkaptonuria are metabolic disorders in the Phenylalanine pathway.
What are metabolic disorders?A metabolic disorder is a condition that impairs how the body distributes and processes macronutrients like proteins, lipids, and carbs. When the body's regular metabolic function is impacted by aberrant chemical interactions, metabolic diseases can result. It is also known as an inherited single gene anomaly, with the majority of cases being autosomal recessive.
Lethargy, weight loss, jaundice, and seizures are some of the signs of metabolic diseases. The type of metabolic disorder would determine the symptoms that were displayed. Acute symptoms, late-onset acute symptoms, general symptoms that get worse over time, and persistent symptoms are the four different types of symptoms.
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Why can't every rat survive and reproduce at its maximum rate?
Answers
Answer:
1 fertile rat and her subsequent offspring can compound exponentially into well over a million rats in under a year. That being said, the survival and reproduction rates cant reach there max typically due to limited resources or predation.
Answer:
as we know it alot of people kill rats and always put poison on them. the rats that live on from being poison will not be able to reproduce because they will kill the female rat or die later on
Explanation:
atoms in covalent bonds___their electrons
Answers
Answer:
gain there electrons that they didn't have before
this video shows the movement of oil near the site of the 2010 oil spill. what happens to the oil after it’s spilled.
Answers
Oil spill has detrimental effects on the environment.
During transportation of oil, the leakage of oil that occurs in the water bodies, specifically in the oceans and seas is referred to as oil spill.
This spilled oil floats on the surface of water. This oil has effects on aquatic animals as well as the birds that hover around the water bodies. For instance, if the feathers of the seabirds get oiled, the birds can die of hypothermia. Many fishes and planktons die because of the oil spilled.
The oil droplets present on the surface are degraded by the process of photooxidation that happens due to exposure to light and oxygen. This also results in the formation of free radicals that are harmful to the water body as well as to the organisms present in water.
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04. Describe one way in which decay by microorganisms is useful.
Answers
Answer:
Decay by microorganisms helps in enriching the fertility of the soil....
Explanation:
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A lava solidifies into nonvesicular basalt instead of vesicular basalt because: a. the magma has a low content of gasb. the lava forms a ropy texturec. the lava flow breaks apart as it flows d. the lava flow forms lava tubes
Answers
A lava solidifies into Nonvesicular basalt instead of vesicular basalt because the magma has a low content of gas. So the correct option is A.
Vesicular basalt is formed when lava solidifies with trapped gas bubbles that are unable to escape before the lava cools and hardens. Nonvesicular basalt, on the other hand, forms when there is a low content of gas in the magma, which means that there are no gas bubbles to create vesicles in the solidified lava. The texture of the lava, whether it is ropy or not, or whether the lava flow breaks apart or forms lava tubes, is not directly related to the presence or absence of gas bubbles in the solidified lava.
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You are recruiting 25 space-travelers to populate a new planet many light-years away. The travelers will need to be cryogenically frozen and to fit in the cryogenic pods they will need to be between 165cm and 198cm tall. (Show your work). Amongst the species to which you belong height can be approximated by a normal distribution with a mean of 180cm and a standard deviation of 10cm. What is the probability that a randomly selected potential traveler will fall within the permitted height range? What is the probability that a randomly selected group of 25 travelers will all be within the permitted height range? The maximum total weight of the 25 travelers must not exceed 2000kg meaning that their average weight should not be above 80kg. If individuals' weight is described by a normal distribution with a mean of 78kg and a standard deviation of 4kg what is the distribution of the mean weight of a sample of 25? What is the probability that a randomly chosen group of 25 travelers is underneath the weight limit? A colleague of yours suggests that to get the overall probability of a group of 25 travelers meeting both the height and weight constraints you should multiply the probability in (b) with the probability in (d). Do you agree? Why or why not?
Answers
The probability that a randomly selected potential traveler will fall within the permitted height range is approximately 0.8186. The probability that a randomly selected group of 25 travelers will all be within the permitted height range is approximately 0.1544. The probability that a randomly chosen group of 25 travelers is underneath the weight limit is approximately 0.0014.
To find the probability that a randomly selected potential traveler falls within the permitted height range, we can calculate the area under the normal distribution curve between the given height limits. Using the Z-score formula, we can standardize the height range and then use the standard normal distribution table or a calculator to find the corresponding probabilities. The result is approximately 0.8186.
To calculate the probability that a group of 25 travelers will all be within the permitted height range, we need to consider the probability of each individual being within the range and then multiply those probabilities together. Since the heights of individuals are independent, we can use the multiplication rule for independent events. The probability that an individual is within the range is approximately 0.8186, so the probability that all 25 individuals are within the range is (0.8186)^25, which is approximately 0.1544.
Step 3: To determine the distribution of the mean weight of a sample of 25 travelers, we need to consider the central limit theorem. According to the theorem, if the sample size is large enough (typically n ≥ 30), the distribution of sample means will be approximately normal, regardless of the shape of the population distribution. The mean weight of the sample will still have a mean of 78kg, but the standard deviation will be the population standard deviation divided by the square root of the sample size, which in this case is 4kg/sqrt(25) = 0.8kg. Therefore, the distribution of the mean weight will be a normal distribution with a mean of 78kg and a standard deviation of 0.8kg.
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As termed by Weismann, ______ traits are classified as physical problems of aging that occur afterreproduction and are neutral to the forces of natural selection.
Answers
As termed by Weismann, "senescence" traits are classified as physical problems of aging that occur after reproduction and are neutral to the forces of natural selection.
Senescence refers to the gradual deterioration of biological functions over time that is associated with aging, such as decreased mobility, reduced immune function, and increased risk of chronic diseases.
According to Weismann's theory of "germ-plasm" (also known as the "Weismann barrier"), these senescent traits are not subject to selection pressures because they do not affect an individual's ability to reproduce and pass on its genes to the next generation.
Instead, they reflect the inevitable wear and tear that occurs on an organism's body as it ages, and are thought to result from a combination of genetic and environmental factors.
Weismann's ideas about the nature of aging and senescence were influential in the early development of evolutionary biology and continue to be studied and debated by scientists today.
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Each of the following is an endoplasmic reticulum function except: _______
a. peptide folding.
b. the export of protein that cannot be folded into the cytoplasm for destruction.
c. addition of carbohydrate to proteins to make glycoproteins.
d. the assembly of multimeric proteins.
e. All are endoplasmic reticulum functions.
Answers
Answer: Option E.
All are endoplasmic reticulum functions.
Explanation:
All are function of endoplasmic recticulum because
Endoplasmic recticulum is a membrane organelle that consists of two subunits, rough and smooth endoplasmic recticulum found in eukaryotes that formed flattened sacs within the cytoplasm of eukaryotic cells which syntyensises proteins, lipids and steroids, it metabolised carbohydrates by adding it to protein , help to control the concentration of calcium in the body,it detoxifies drugs, attached protein on receptor cells, assemble multimeric proteins e.t.c.
The endoplasmic recticulum comprises of two subunits which are rough and smooth endoplasmic recticulum. The major differences between rough and smooth endoplasmic recticulum is that smooth do not have RIBOSOMES and it produces lipids and rough have RIBOSOMES and produces proteins.
how can fuel arrangement affect the behavior of a wildland fire?
Answers
In a cell, movement of molecules from an area of low concentration to an area of high concentration…
Answers
Answer:
...is termed diffusion or simple diffusion
nathan collected some starfish eggs while he was at the beach. when he got home, he placed the eggs in a dish of distilled water. the eggs began to swell and then burst. which of the following processes caused water to enter the starfish eggs?
Answers
The process that caused water to enter the starfish eggs in the given situation is called osmosis. Osmosis is a process of movement of solvent particles from a region of high concentration to a region of lower concentration via a semipermeable membrane.
In simple terms, osmosis is the process in which a solvent (usually water molecules) moves from an area of low solute concentration to an area of high solute concentration through a semi-permeable membrane. It is a type of passive transport and does not require any energy input from the cell Osmosis plays a crucial role in the transport of water and nutrients in plant and animal cells.
In the given scenario, the eggs of starfish were kept in a dish of distilled water. Distilled water has a lower solute concentration as compared to the inside of the eggs. Thus, the water molecules move from an area of low solute concentration (distilled water) to an area of high solute concentration (inside of the eggs) by osmosis. This causes water to enter the starfish eggs, . Therefore, osmosis is the process that caused water to enter the starfish eggs.
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If you ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the ________in the peanut butter because it ______
Answers
Answer:
: High in Good Fats, Protein,
Explanation:
Peanut butter is rich in heart-healthy fats: High in Good Fats, Protein, and Satisfaction
If one ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the good fats present in the peanut butter because it is a rich source of good fats.
What are good fats?
Fats are very important components of a healthy diet. They help in providing essential fatty acids, which keep our skin soft. They also help in delivering fat-soluble vitamins. They are also a great source of energizing fuel.
With so many benefits of good fats, it's easy to get confused about good fats vs. bad fats. People also get confused about how much fat they should eat, how to avoid trans fats which can cause artery clogging, and also the role of omega-3 fatty acids play in the health of the heart.
According to the U.S. Department of Agriculture's 2005 Dietary Guidelines, adults need to get about 20%-35% of their calories from fats. According to these guidelines, t least 10% of our calories should come from fat.
Unsaturated fats are considered good fats. These include polyunsaturated fatty acids and monounsaturated fats. Both kinds of fats, when consumed in moderate amounts and used for the replacement of saturated or trans fats, help in lowering the levels of cholesterol and reducing the risk of heart diseases.
Therefore, the majority of fat in peanut butter comes from good fats.
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Order the structural components that create a specific function at each level of the protein structure of hair Rank the items from primary to quaternary protein structure.
Answers
Primary: A single keratin polypeptide is created via peptide bonds between different amino acids.
Proteins are made up of amino acids joined together by peptide bonds, which are chemical covalent bonds. By removing a hydroxyl group and a hydrogen atom to create a water molecule, a peptide bond forms between a carbon atom of one amino acid and a nitrogen atom of another amino acid.
Secondary: Alpha helix is created by hydrogen bonding and gives rise to a single keratin polypeptide with a crossover form.
.The main chain's CO and NH groups form a hydrogen bond that the alpha helix structure uses to stabilize itself. Each amino acid's CO group joins the NH group of the amino acid that is four residues earlier in the sequence to create a hydrogen bond.
Tertiary; Strong covalent and ionic interactions between the side chains of amino acids create rope-like structures resembling keratin.
A polypeptide's overall three-dimensional structure is referred to as its tertiary structure. The interactions between the R groups of the amino acids that make up the protein are principally responsible for the tertiary structure.
Quaternary: Keratin dimers, which have greater stability and strength, are formed when single keratin polypeptides wrap around one another.
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An increase in food and a decrease in predators would most likely _____
genetic variation in a population.
Answers
Answer:
Im pretty sure the answer is increase
Explanation:
Its on a quizlet(Im very sorry im wrong)
Answer:
Increase
Explanation:
The person above IS correct I got 100% on this quiz Factors Affecting Genetic Variatio
The theory of plate tectonics states that Earth's plates are always in motion. What geological evidence supports this statement?
Continental and oceanic plates differ in densities.
Selsmic activity occurs along plate boundaries.
Less dense plates always subduct beneath the more dense plates.
The sizes and shapes of continents remain the same over time.
Answers
Answer:
Seismic activity occur along plate boundaries.
Explanation:
Since the plates are constantly moving, the places where the plates meet, the boundaries, have seismic activity.
The geological evidence that supports this statement is that seismic activity occurs along plate boundaries. So, the correct option is B.
What are tectonic plates?Tectonic plates are huge slabs of rock that divide Earth's crust and move constantly to reshape the Earth's landscape. Such plates are also known as lithospheric plates and are generally composed of both continental and oceanic lithosphere.
Since the tectonic plates are constantly moving and the places where the plates meet and form the boundaries have seismic activity.
Therefore, the geological evidence that supports this statement is that seismic activity occurs along plate boundaries.
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hey could someone help me with this? i’ll mark u brainiest if u don’t guess or leave links!
Answers
Answer: I think it’s Group 1? If the experiment is to give plants water, the control is the part that hasn’t been treated and will remain the same.
Explanation:
why does the alligator need water
Answers
Answer:
Water helps alligators in many ways but the big reason why they need water is it helps regulate their body temperature.
Answer:
they use water to hunt considering they can travel more quickly in the water and they are primarily freshwater animals
Explanation:
The plasma membrane is composed of a phospholipid by layer with embedded proteins what is one of the functions of the embedded proteins
Answers
Answer:
Transport proteins (carrier proteins and channel proteins) allow substances into and out of the cell that cannot pass through the phospholipid bilayer (as they’re either to large, charged or not lipid soluble) by facilitated diffusion.
Specifically channel proteins allow ions into and out of the cell by creating a pore in the membrane in which they can move through with their concentration gradient
Explanation:
Help help help! It’s due in a few mins!
Answers
Second answer: I think 2?
Third answer: 5
Fourth answer: 1
Answer:
1. the first one is 5
2 . the second one is 1 or 2
3. this third one is 4 or 5
4. the fourth one is 1 or 2
Explanation:
ik i did not really help, i need help with this too. bur just try ur best!!
write the complementary sequence to the following DNA strand
3’-AATTCGCGGTATTAGACGTT-5’
Answers
The complementary sequence of the given DNA strand would be 5’-TTAAGCGCCATAATCTGCAA-3’
Complementary sequence of DNAThe complementary DNA strand is created by pairing each nucleotide on the original strand with its complementary base. In DNA, the complementary bases are adenine (A) with thymine (T), and cytosine (C) with guanine (G).
So, to find the complementary sequence to the given DNA strand:
Original strand: 3’-AATTCGCGGTATTAGACGTT-5’Complementary strand: 5’-TTAAGCGCCATAATCTGCAA-3’The complementary strand has the same sequence of nucleotides as the original strand, but with each base pair flipped. This is because DNA strands are antiparallel, meaning that they run in opposite directions.
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similar species can coexist in a community by using _________.
Answers
According to the research, the correct answer is resource partitioning. Similar species can coexist in a community by using resource partitioning.
What is resource partitioning?It is the use of resources that organisms consume in order to survive, grow or reproduce, these similar species exploit limited resources in an ecological area.
In this sense, it is the process by which species divide a niche to avoid competition for resources in a community .
Therefore, we can conclude that according to the research, resource partitioning helps similar species by dividing resources to coexist.
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A bird that can easily outcompete other birds for food and that can produce many eggs has a high
Answers
Answer:
Fitness
Fitness is the measure of how well an individual can survive as well as reproduce.
Fill in the blank. According to ______ theory, when we learn something new, a neurochemical memory trace forms, but over time this trace disintegrate
Answers
Answer: Decay
According to Decay theory, when we learn something new, a neurochemical memory trace forms, but over time this trace disintegrate
Can someone plz help me? :)
Answers
Based on the given information, it appears that you are seeking help or assistance. However, no specific topic or question is mentioned. In order to receive accurate and relevant assistance, it is important to provide more context or specific details about the problem or question you need help with.
If you have a specific biology-related question or topic you need help with, please provide more details so that I can assist you further.
Explanation:
Based on the given information, it appears that you are seeking help or assistance. However, no specific topic or question is mentioned. In order to receive accurate and relevant assistance, it is important to provide more context or specific details about the problem or question you need help with.
When seeking help, it is helpful to clearly state the subject or topic you need assistance with, provide any relevant background information, and specify the specific question or problem you are facing. This will enable others to provide targeted and effective assistance.
If you have a specific biology-related question or topic you need help with, please provide more details so that I can assist you further.
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