Answer:
it is because plant releases oxygen into the air for other living thing to breath
According to cell theory, which of the following are made of cells? Check all that apply.
According to the cell theory all living things are made of cells.
What is the cell theory?Modern cell theory
Theory that cells are the basic structural, functional, and organizational units of both single-celled and multicellular organisms; cells divide and pass on hereditary information; and energy flows within cells.
Thus, all living things are made of cells.
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Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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what enzyme is in stuffing?
Answer:
maltase
Explanation:
well, the enzyme depends on the type of stuffing we're actually talking about. Stuffing, as in the breaded dish many families eat during Thanksgiving, would include high amounts of maltase to help in the aid of breaking down the glucose inside of the breading. If this 'stuffing' is not the meal that you can find on thanksgiving, please further let me know, as I would gladly assist you.
Write a 3-8 sentence paragraph as to how Sea urchins use Natural selection. 20 points and will mark the brainliest!
Answer:
Through the process of natural selection, sea urchins have developed spines that serve as a defense mechanism against predators and a means of anchoring themselves in turbulent waters. This adaptation allows them to better survive in their environment, with individuals possessing longer or stronger spines being more likely to pass on their genes to the next generation. As a result, the population of sea urchins gradually becomes better adapted to their surroundings, demonstrating the power of natural selection in shaping the evolution of species.
can someone explain what three of newton’s laws are and please give example? I am currently failing because of this subject
Answer:
Newton's First Law of Motion states that in order for the motion of an object to change, a force must act upon it. This...
Newton's Second Law of Motion defines the relationship between acceleration, force, and mass.
Newton's Third Law of Motion states that any time a force acts from one object to another, there is an equal force...
Explanation:
what associations between the skulls can be made of skull size and brain capacity?
While a general association between skull size and brain capacity exists, the intricacies of brain development and cognitive abilities extend beyond skull size alone.
The associations between skull size and brain capacity can provide valuable insights into the relationship between these two variables. Here are some observations that can be made:
1- Generally, there is a positive correlation between skull size and brain capacity. Larger skulls tend to accommodate larger brains. This is because the skull acts as a protective casing for the brain, and as the brain grows, the skull expands to accommodate it.
2- However, it is important to note that skull size alone does not provide a complete measure of brain capacity or intelligence. There can be variations in brain size within individuals with similar skull sizes, and factors such as brain structure, neural connections, and neuronal density also influence cognitive abilities.
3- Comparisons across species can reveal variations in the relationship between skull size and brain capacity. For example, some species may exhibit larger skulls relative to their brain sizes, suggesting adaptations for other functions such as jaw strength or sensory capabilities.
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Do plants take in air with their roots?
Answer:
No
Explanation:
No, plants do not take in air with their roots. Roots are designed to absorb water and minerals from the soil. In order to get the air and carbon dioxide they need for photosynthesis, plants have specialized structures called stomata in their leaves and stems that allow air to enter and exit. These stomata regulate the movement of gases into and out of the plant, so the plant can take in the carbon dioxide it needs and release the oxygen it produces.
A student wanted to find out how temperature might affect the germination of seeds.
(1) What is the variable that should be changed?
(2) What is the variable that should be measured?
(3) What are the 3 important variables that should be kept constant?
Answer:
(1) The variable that should be changed is the temperature.
(2) The variable that should be measured is the germination rate of the seeds.
(3) The 3 important variables that should be kept constant are the type of seeds, the amount of water, and the amount of light. In order to isolate the effect of temperature on seed germination, it is important to keep these other variables constant so that they do not affect the results of the experiment.
A group of researchers are studying stem length inheritance in the garden pea plant (Pisum sativum). They obtain a tall pea plant of unknown ancestry, allow it to self-pollinate, and collect 80 of its seeds. After planting the seeds, they observe the growth of 61 tall plants and 19 dwarf plants. Which of the following best explains the stem lengths seen in the offspring?
A. Stem length is inherited through incomplete dominance.
B. Dwarf stem length is a recessive trait.
C. Stem length is a sex-linked trait.
D. The tall plants likely received more nutrition than the dwarf plants.
Answer:
The answer is B
Explanation:
just cause lol
The study of a living being is called biology.
The correct answer is B.
The characters in the plant are controlled by the genes which are present on the chromosome. The genes are always present in pairs and a single gene is known as an allele. The alleles are as follows:-
DominantRecessive.According to the question, most of the offspring are tall in height due to the dominant allele while the number of the dwarf plant is less as this character is shown by the recessive genes.
The dominant plant suppresses the character of a recessive gene and hence the number of the dominant plant is always more.
Hence, the correct answer is B. Dwarf stem length is a recessive trait.
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The diagram represents a green plant with a flower.
Base your answers to questions 62 through 64 on the diagram below and on your knowledge of science.
65 The chart belo
Identify two
organism. (
62 Describe one function of the roots. [1]
Base your
diagram repre
Halley's Come
Answer:no idea
Explanation:
2. What structure caused rotifers to be called wheel animals or wheel bearers?
1 the foot
2 the corona
3 the brain
4 the stomach
The structure that caused rotifers to be called wheel animals or wheel bearers is the corona.
Rotifers are also known as wheel animals or wheel bearers because of the corona structure around their mouth region.
Some rotifers are sessile and live inside tubes or gelatinous holdfasts that are attached to a substrate. Other rotifers migrate around a substrate through inch worming.
This is because when corona is seen in a sequential coordinated movement, it resembles the structure of a wheel, although it does not rotate in reality.
Therefore, we conclude that rotifers are called wheel animals or wheel bearers due to the presence of the corona structure.
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Seach on how matter relate to live
In summary, matter is a fundamental part of the biological and environmental systems that support and sustain life on Earth.
What is life?Defining "life" can be a complex task as there is no single, universally accepted definition. However, in general, life can be described as a characteristic of organisms that distinguishes them from non-living things. Life is characterized by various biological processes and functions, such as metabolism, growth, reproduction, adaptation, and response to stimuli. Life is typically organized into cells, which are the basic units of life, and living things can be further classified into different domains and kingdoms based on their characteristics and evolutionary relationships. Overall, life is a complex and dynamic phenomenon that has been the subject of scientific study and philosophical inquiry for centuries.
Here,
Matter is also involved in the chemical reactions that occur within living organisms. For example, the food we eat is made up of matter, and the process of digestion involves breaking down that matter into smaller molecules that our bodies can use for energy and other biological processes. Furthermore, matter plays a role in the environment in which living organisms exist. The air we breathe, the water we drink, and the soil in which plants grow are all made up of matter, and the interactions between different forms of matter are essential for sustaining life.
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Complete question:
How matter relate to life? Explain with examples.
What is something you can never seem to finish?
Answer:
This!! HAHAHA!
Explanation:
what usually accompanies a cold spell in minnesota?
Which of the following is a positive effect that technologies like the Internet have had on workers?
Access to knowledge and information is made easier for workers because to technology like the Internet. Workers now find it simpler to conduct research, develop new skills, and keep up with industry trends because to the revolutionary changes the Internet has brought about in information access and sharing.
Because of this, it has become easier for employees to continue their professional growth and learn new things that will improve their job performance and career prospects.
The Internet has also increased chances for freelance work and flexible scheduling. Workers may now work from almost anywhere thanks to the ability to connect and interact online, which eliminates the need for commuting and gives them more flexibility in maintaining work-life balance. Due to this, employees now have greater influence over their schedules and working conditions, which has risen.
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Label each process of sedimentary rock formation in the appropriate order.
How did dark brown skin evolve from our ancient early ancestors?
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
Hope it helps!
You are the senior software engineer at a start-up company developing an exciting new product that will allow salespeople to generate and email sales quotes and customer invoices from their smartphones.
Your company’s sales force has led a major corporation to believe your product will be available next week. Unfortunately, at this point, the software still contains quite a few bugs. The leader of the testing group has reported that all of the known bugs appear to be minor, but it will take another month of testing for his team to be confident the product contains no catastrophic errors.
Because of the fierce competition in the smartphone software industry, it is critical that your company be “first to market.” To the best of your knowledge, a well-established company will release a similar product in a few weeks. If its product appears
first, your start-up company will probably go out of business.
1. Should you recommend release of the product next week?
2. Who will benefit if the company follows your recommendation?
3. Who will be harmed if the company follows your recommendation?
4. Do you have an obligation to any group of people that may be affected by your decision?
5. What additional information, if any, would help you answer the previous
As a senior software engineer, I cannot recommend the release of a product with known bugs, as it could cause harm to users and damage the reputation of the company. Therefore, I would suggest delaying the release until the testing team is confident that the product is free of catastrophic errors.
If the company follows my recommendation, customers who purchase the product will benefit from a more stable and functional software product.
If the company releases a buggy product, customers could be harmed by losing trust in the product and potentially experiencing financial or other types of losses. The company's reputation could also be harmed, leading to potential harm to the company's employees and shareholders.
As a professional, I have an obligation to act in the best interest of the customers and the company. This means ensuring that the product is of high quality and meets customer expectations, even if it means delaying the release.
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Which letter on the image represents the MID-OCEAN RIDGE?
ELTING
A
B
C
O
D
SCIENCE!!
Answer:
A is the image that represents the Mid Ocean ridge
Hydrophilic substances "dissolve" in water, what does that mean?
How does it pull apart bonds like in glucose?
What about the lipid bilayer with the phospholipid hydrophilic head, why doesn't it get ripped off the tails?
Answer:
mark me pls
Explanation:
Q1)When a substance is said to “dissolve” in water, it means that it is able to mix with the water molecules and form a homogeneous solution. This means that the substance is evenly distributed throughout the water and is no longer visible as a separate entity. Hydrophilic substances are able to dissolve in water because they have a strong affinity for water molecules, allowing them to form strong hydrogen bonds with them.
Q3)The hydrophilic head of the phospholipid is held in place by a combination of electrostatic and hydrogen bonding interactions with the hydrophobic tails. These interactions are strong enough to keep the head and tail together, even when the bilayer is subjected to mechanical forces.
How does the speed of sound change as the sound of a boat engine moves down to the depths of the ocean?
sound speed increases with depth
dositsorg
Give the % yield if 1.78 g of O₂ is produced
%Yield =
Actual Yield/
Theoretical Yield x 100%
%Yield = _________x 100%.
= ____?______ %
a) The mass of the oxygen is 1.97 g
b) The percent yield is 90.4 %
c) The mass of the oxygen is 1.55 g
What is the percent yield?We know that the percent yield has to do with the amount of the reactants that has been converted into products in the given reaction. In this case, the reaction that we are dealing with is the decomposition of the potassium oxo chlorate V molecule.
Now we have that;
a) Number of moles of the chlorate = 5 g/122.5 g/mol
= 0.041 moles
If 2 moles of the chlorate produces 3 moles of the oxygen
0.041 moles of the chlorate produces 3 moles * 0.041 moles/ 2 moles
= 0.0615 moles
Mass of the oxygen produced = 0.0615 moles * 32 g/mol
= 1.97 g
b) Percent yield = Actual/Theoretical * 100/1
= 1.78/1.97 * 100/1
= 90.4 %
c) For a percent yield of 78.5% =
Actual = Percent yield * Theoretical /100
= 78.5 * 1.97/100
= 1.55 g
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% yield = (1.78 g / theoretical yield) × 100%
To calculate the percent yield, you need to know the actual yield and the theoretical yield of the reaction.
In this case, the actual yield is given as 1.78 g of O₂. The theoretical yield represents the maximum amount of product that can be obtained under ideal conditions.
To calculate the theoretical yield, you need to know the balanced chemical equation for the reaction. Assuming the reaction is complete, the coefficients of the balanced equation can be used to determine the stoichiometry of the reaction.
For example, if the balanced equation is:
2 A + 3 B → 4 C + 2 D
Then, you can use the stoichiometry to find the theoretical yield. Let's say the molar mass of O₂ is 32 g/mol. In this case, we need to calculate the moles of O₂ using the given mass of 1.78 g:
moles of O₂ = mass of O₂ / molar mass of O₂
Next, we need to use the stoichiometry to find the moles of the desired product. Let's assume that O₂ is the limiting reactant and that it is completely converted to the product. From the balanced equation, we can see that 4 moles of C are produced for every 2 moles of O₂:
moles of C = moles of O₂ × (4 moles of C / 2 moles of O₂)
Now that we have the moles of C, we can calculate the theoretical yield of C in grams by multiplying the moles by the molar mass of C.
theoretical yield of C = moles of C × molar mass of C
Finally, we can calculate the percent yield using the formula:
% yield = (actual yield / theoretical yield) × 100%
Substituting the values we calculated:
% yield = (1.78 g / theoretical yield) × 100%
Please note that without the balanced chemical equation and additional information, it is not possible to provide a specific numerical answer for the percent yield.
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Scarification is a process that scratches up the surfaces of seeds that pass through the guts of birds. A student wanted to see if scarified seeds grew better than those that were not scarified. He simulated scarification by rubbing 20 cherry seeds with sandpaper. Another set of 20 cherry seeds were left alone. The student planted each of the seeds into separate pots and gave them the same amount of water daily. The pots were placed in a location with a constant temperature of approximately 25 degrees C. The number of seeds that germinated each group was recorded daily for three weeks. Which is the control group?
Which is the experimental group?
What is the independent variable?
What is the dependent variable?
Name at least one controlled variable?
Was quantitative or qualitative data collected?
The control group is the set of non-scarified seeds. The experimental group is the set of scarified seeds. The independent variable is scarification process. The dependent variable. is the number of seeds that germinated in each group.
Controlled variables are the amount of water supplied daily, the constant temperature of the growing environment, the type of cherry seeds used and the size of the planting pots.
Quantitative data are the daily count of the number of seeds that germinated in each group over three weeks.
The study does not have qualitative data.
Differences between dependent and independent variablesThe independent variable needs no stimulus to generate results.The dependent variable needs to be stimulated by the independent variable to generate results.A scientific experiment needs to feature all of the elements represented above to be effective and reliable. This is because these elements prove that the experiment was carried out methodically, specifically, and with care in each variable and presented data.
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while gregor mendel's model of inheritance provides a simple explanation for the inheritance of traits, it is not always followed due to the complexities of genetics, such as…
Answer:
Mitochondrial inheritance: It follows a different pattern than classical Mendelian inheritance because it is not controlled by genes on the chromosomes in the cell nucleus. Instead, all offspring of a mother with a mitochondrial DNA mutation will inherit that mutation, but only females will pass it on to their offspring. This is because only the egg cell, not the sperm cell, contributes mitochondria to the next generation.
Epigenetic inheritance: Epigenetic modifications, such as DNA methylation and histone modification, can affect gene expression and be passed on from one generation to the next. This type of inheritance does not involve changes in the DNA sequence but rather changes in the way that genes are expressed.
Genomic imprinting: Some genes are expressed differently depending on whether they were inherited from the mother or the father. This is because certain genes are silenced or activated based on their parent of origin, and this pattern of gene expression is maintained throughout the individual's life.
Gene conversion: During meiosis, some DNA molecules can undergo a process called gene conversion, which involves the replacement of one allele with another, resulting in offspring that have a different genetic makeup than expected based on the parental genotypes.
Explanation:
Which is NOT a characteristic of all plants
o multicellular
O chloroplasts
O cell walls
O produce seeds
produce seeds
i believe some plants grow from spores, and the other 3 im pretty sure all plants have
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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what are some characteristics and examples of members from the class reptilia?
what is most air polution caused by
Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
catalysts
resonance structures
entropy
photons
enzymes
Answer:
Catalysts, enzymes
Explanation:
Catalysts are known for reducing the activation energy of a reaction thus increasing the reaction rate.
Enzymes are a type of catalyst.
Describe the three patterns of communication
The three patterns of communication include:
Verbal CommunicationThe most evident kind of communication would appear to be verbal communication. It makes use of spoken language, either in-person or over the phone. Although most encounters need verbal communication, there are other nonverbal indicators that can add to the meaning of the words themselves. A more sophisticated message is conveyed when spoken language is combined with nonverbal communication.Non-verbal CommunicationThe use of body language might reveal some information about a speaker's word choice. It can reflect sarcasm, complacency, dishonesty, or sincerity. Body language, including the speaker's posture, hand gesture, facial expressions, and even look, is a common way to communicate these things. A untidy speaker with wrinkled clothes and slouching posture, for example, might convey a lack of assurance or knowledge. Visual Communication Signs, maps, and drawings, as well as color and graphic design, are all examples of visual forms of communication. These frequently support verbal communication and aid in proving a point. Visual aids can aid in the presentation of the message by helping the speaker remember key points, providing the audience with something to look at, and more.Learn more about communication here:
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