Answer:
The saprotrophs and detritivores are placed to one side of the pyramid because they are decomposers which feed on dead bodies of all the living organisms which are present in the trophic levels i. e. producers, primary consumers, secondary consumers and tertiary consumers etc. When they feed on dead bodies, they released nutrients which are used by the plants.
Which of the following energy forms is not involved in hitting a tennis ball?
a. kinetic energy
e gravitational potential energy
b. chemical potential energy
d. elastic potential energy
tantial energy is that
Answer:
I do think elastic potential energy
Answer:
Its d
Explanation:
i belive so
A scientist is studying an organism with a mutation which reduces the efficiency of tetrad formation. This defect would most likely affect the ability to:
Final answer:
A mutation that reduces the efficiency of tetrad formation would affect the ability of an organism to undergo meiosis properly, leading to errors in crossing over and recombination.
Explanation:
A mutation that reduces the efficiency of tetrad formation would most likely affect the ability of an organism to undergo meiosis properly.
Tetrad formation occurs during prophase I of meiosis, when homologous chromosomes pair up and form structures called tetrads. This process allows for crossing over and genetic recombination, which are important for genetic diversity.
If the efficiency of tetrad formation is reduced, it could lead to errors in crossing over and recombination, resulting in abnormal chromosome segregation and reduced genetic diversity.
Each element on the periodic table is represented by a:
Each element on the periodic table is represented by its element symbol and atomic number.
Explanation:
The periodic table is the list of known chemical elements. The atomic number of an element is the same as the number of protons in the particular nucleus of an atom.
The elements in the periodic table are arranged into periods and groups. A row of elements across the table is called a period.
In a periodic table element is listed by its symbol and atomic number. For example "H" denotes hydrogen, "Li" denotes lithium.
The elements in the same group represents the patterns in atomic radius, ionization energy and electronegativity. The elements are represented by 2 letters one capital and other in lower case. they are arranged based on the increased atomic number.
Each element on the periodic table is represented by a unique symbol and an atomic number, along with other properties. The symbol is an abbreviation of the element's name, and the atomic number represents the number of protons in the element's nucleus.
Explanation:Each element on the periodic table is represented by a unique symbol which consists of one or two letters. These letters are an abbreviation of the element's name. For instance, the symbol for Hydrogen is 'H', for Carbon is 'C', and for Oxygen is 'O'. Furthermore, every element on the periodic table also has an atomic number, which is unique to each element and represents the number of protons in its nucleus. So, an element on the periodic table is represented not only by its symbol but also by its atomic number and other details such as atomic mass.
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What are the structures that function Mitochondria?
Answer:
Mitochondria - Turning on the Powerhouse
Explanation:
Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
residents of a town are concerned that a recently built factory could pose health risks. Scientists were asked to investigate the effects of the factory on the health of local residents. the most relevant information they reported was that.
Answer:
I think it would be something like smoke in the air the waste it produces stuff like that.
Explanation:
Option d. local medical facilities have recently reported a 15% increase in the number of patients treated for asthma. The most relevant information regarding the health risks of a new factory is the observed 15% increase in asthma treatments at local medical facilities, linking emissions to respiratory issues.
Concerning the health risks posed by a new factory to local residents, the most relevant information reported by scientists indicates a 15% increase in patients treated for asthma at local medical facilities. This increase is notable because it suggests a direct correlation between emissions from the factory and respiratory issues in the community, given asthma's association with air quality. Historical and contemporary studies highlight that even low levels of air pollution can be detrimental, resulting in higher rates of respiratory illnesses and affecting vulnerable populations, such as children, more severely.
Poor air quality has significant health consequences, increasing the risk of respiratory and heart disease and higher mortality rates. While visual pollution signs and anecdotal reports of factory emissions are concerning, quantifiable health data, like the recorded rise in asthma cases, offers a more concrete assessment of the potential impact the factory might have on the community's health.
Which food chain is part of this food web?
A. Kelp → zooplankton — sea otter - bald eagle — rock ptarmigan
B. Kelp – phytoplankton – plants – rock ptarmigan – bald eagle
C. Bald eagle – sea gull — mussel – zooplankton – phytoplankton
D. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Answer:
Which food chain is part of this food web?
Phytoplankton — zooplankton — fish — sea gull – bald eagle
Explanation:
From the above question, every food web must start with a producer which is the phytoplankton here in order to complete such food chain or to make it balanced. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Food chain or web starts from the least to the peak or highest feeder
which statement best describes two objects experiencing a gravitational interaction?
Answer:
C. The objects can only attract each other and the force depends on their masses.
Explanation:
These are the answers to the question. The correct answer is going to be C. The objects can only attract each other and the force depends on their masses. I know this, because I got it wrong and that was the right answer.
A.
The objects can only repel each other and the force does not depend on their masses.
B.
The objects can attract and repel each other and the force depends on their masses.
C.
The objects can only attract each other and the force depends on their masses.
D.
The objects can attract and repel each other and the force does not depend on their masses.
Final answer:
The correct statement is that two objects experiencing gravitational interaction can only attract each other, and the force depends on their masses. This gravitational force is always attractive and follows Newton's universal law of gravitation, which involves both mass and distance but does not allow for repulsion.
Explanation:
The statement that best describes two objects experiencing a gravitational interaction is: The objects can only attract each other and the force depends on their masses. This interaction is dictated by Newton's universal law of gravitation, which states that every particle in the universe attracts every other particle with a force along a line joining them. The gravitational force is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between them.
According to Newton's third law, the magnitude of the force is the same on both objects, regardless of their mass difference, as the gravitational attraction acts along a line joining the centers of mass of the bodies involved. Gravitational force is always attractive; it never causes objects to repel each other. Consequently, the correct answer is B.
What is formed during primary succession that
doesn't need to be formed during secondary
succession?
Answer:
I think the answer would be lichens, because lichens are formed during primary succession as a pioneer species. During secondary succession, grasses are usually the pioneer species.
Answer:
During the primary succession soil is formed.
Explanation:
It doesn't need to be formed in the secondary succession because the pioneer plants already broke down the mineral-rich rocks into soil. Which in term allow less hardy species to grow and eventually replace the pioneer species.
2 Points
Which of the following is a good reason to use a simulation in an
experiment?
One of the good reason to use simulation in an experiment is to predict the outcome of an event in the real world.
Explanation:
Simulation is a programming software which helps in imaging or easy understanding of any experimental concept virtually. For example, if we enter the details regarding an element, the simulation can draw the structure of that element. Also it may predict the working of the bonds and other parameters in different conditions based on classical and quantum theoretical laws. So a researcher can compare the results obtained from simulation and also from experimental results.
In other words, simulation will help a researcher to have an assumption about the behavior of the sample in real world conditions.
Which statement does not describe an organism that reproduces asexually?
Some animals reproduce asexually by budding.
Meiosis is not involved in asexual reproduction.
Each offspring is identical the parent.
Male and female gametes are involved.
Answer: Male and female gametes are involved.
Explanation: Asexual reproduction is a type of reproduction in which one or more offspring is produced from a portion of a single parent without the involvement of the gametes or sex cells. It promotes rapid multiplication in many organisms and reduces the chances of introducing more variations into a population. Types of asexual reproduction include budding, fragmentation, spore formation and fission.
Final answer:
Asexual reproduction does not involve male and female gametes, does not involve meiosis, and produces genetically identical offspring.
Explanation:
Male and female gametes are involved. This statement does not describe an organism that reproduces asexually, as asexual reproduction does not involve the fusion of male and female gametes. Asexual reproduction, unlike sexual reproduction, produces genetically identical offspring without the need for gametes.
Meiosis is not involved in asexual reproduction. Asexual reproduction typically occurs through processes like budding, fission, or fragmentation, which do not require meiosis, unlike sexual reproduction, where meiosis is crucial in producing gametes.
Each offspring is identical to the parent. A key feature of asexual reproduction is the production of genetically identical offspring, making each offspring a clone of the parent organism.
Some animals do reproduce asexually through methods such as budding. Also, during asexual reproduction, meiosis is not involved; organisms reproduce through mitosis, ensuring that each offspring is an identical copy of the parent.
How did Griffith help build our understanding of genetics
What does the pH scale measure? What number is neutral? Basic? Acidic?
The pH scale measures the acidity or basicity of any solution under optimum conditions.
What is pH?pH may be defined as a figure that estimates the acidity or alkalinity of a solution on a logarithmic scale.
On the pH scale, the number 0 to 6 represents the acidity of the solution, 8 to 14 represents the basicity of the solution and the number 7 is the neutral one.
Therefore, it is well described above.
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Order the steps in a Scientific Investigation. (PLEASE ANSWER ASAP)
Answer:
ask a question, make a hypothesis, plan investigation, carry out investigation, organise data, share results, explain results, think of new question and retest.
Explanation:
Sorry if thats not the way your school does it but thats how I was taught :)
Answer:
1) Ask a question.
2) make a hypothesis
3) Plan the investigation
4) Carry out the investigation
5) Organize data just collected
6) Explain results (conclusion)
7) Share results
8) Think of new question and retest.
Explanation: For every problem we make a hypothesis. Hypothesis is a statement that may true or false. Then we test the hypothesis by performing many experiments and collect the data. Then we draw a conclusion.
100 POINTS! Name a dinosaur with 500 feet. (pls dont google it)
Answer: was it the Nigersaurus faqueti
?
Explanation:
Answer:
Nigersaurus
Explanation:
What kingdom does the snake belong to? A.
the plant kingdom.
B.
the protist kingdom.
C.
the animal kingdom.
D.
both the animal kingdom and the protist kingdom.
Answer:
C.
Explanation:
Snakes are animals.
What are the benefits and limitation of using point of care testing in a suburban general practice to the patient and to the general practitioner?
Answer:
Answer is given in the Explanation.
Explanation:
General practitioners play a key role in identifying and treating infections in the elderly. During work hours, general practitioners are responsible for evaluating patients with acute problems in the area of influence of their practice. Outside of this period, patients can also access general practitioners after hours (OOH). However, they work in an emergency department and do not necessarily know the patient or have access to his medical records.
After diagnosing an infection in the elderly, general practitioners also face the problem of determining severity and predicting prognosis. Assessment systems such as the Pneumonia Severity Index (PSI) and CRB65 score (both to assess the severity of community-acquired pneumonia based on simple clinical observation) have been recommended to support prognostic decisions regarding primary care. However, these scores were developed to predict mortality during a hospital evaluation. Limits apply when using these scores for elderly patients in the community, as they have not been developed or validated for this population and are not clinical comorbidities or social factors.
Why are cancer cells harmful? Select all statements that apply.
A. They absorb nutrients needed by other cells.
B. They block nerve connections.
e block nerve connections
C. They prevent organs from functioning properly.
D. They stop cell growth and division.
Answer:
Explanation:
its not d because the normal cells would already stop and continue division while the cancer cells dont stop it. It would be A because they absorb amino acids and other nutrients
Answer:
A, B, C
Explanation:
I just took the test!! trust me plz!
good luck <3
Describe the structure of a phospholipid use the term polar and nonpolar in your answer
Answer:
Key Points
# Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.
# The phosphate group is the negatively-charged polar head, which is hydrophilic.
#The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
#Since the tails are hydrophobic, they face the inside, away from the water and meet in the inner region of the membrane.
#Since the heads are hydrophilic, they face outward and are attracted to the intracellular and extracellular fluid.
#If phospholipids are placed in water, they form into micelles, which are lipid molecules that arrange themselves in a spherical form in aqueous solutions.
Terms:
#micelleLipid molecules that arrange themselves in a spherical form in aqueous solutions.
#amphipathicDescribing a molecule, such as a detergent, which has both hydrophobic and hydrophilic groups.
:Defining Characteristics of Phospholipids:
Phospholipids are major components of the plasma membrane, the outermost layer of animal cells. Like fats, they are composed of fatty acid chains attached to a glycerol backbone. Unlike triglycerides, which have three fatty acids, phospholipids have two fatty acids that help form a diacylglycerol. The third carbon of the glycerol backbone is also occupied by a modified phosphate group However, just a phosphate group attached to a diacylglycerol does not qualify as a phospholipid. This would be considered a phosphatidate (diacylglycerol 3-phosphate), the precursor to phospholipids.
A phospholipid is a lipid molecule that forms the basis of cell membranes. It has a polar head that is attracted to water, and nonpolar tails that repel water. In an aqueous environment, this causes phospholipids to arrange themselves into a bilayer which selectively allows substances pass in and out of the cell.
Explanation:A phospholipid is a type of lipid molecule that is a key component of all biological membranes. It has a unique structure which includes a polar head and two nonpolar tails. The polar head is composed of a phosphate group and is hydrophilic, meaning it is attracted to water. The nonpolar tails are fatty acid chains and are hydrophobic, meaning they repel water. When in a aqueous environment, phospholipids arrange themselves into a bilayer, with the polar heads facing the water and the nonpolar tails facing each other. This structure is crucial to its function in the cell membrane, where it forms a barrier that selectively allows substances to pass in and out of the cell.
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Which statements apply to laws? Check all that apply.
O Alaw is a factual statement.
Alaw is testable.
Alaw is a possible answer to a scientific question.
Alaw is an explanation.
A law cannot be changed or replaced.
The statements that apply to laws are as follows:
Law is a factual statement.A law cannot be changed or replaced.Thus, the correct options for this question are A and E.
What do you mean by Law?Law may be defined as a type of rule or a set of rules that are significantly enforceable by the courts in order to regulate the government of a state. They maintain the proper functioning of society with equality and justice.
According to the context of this question, the requirement of law always determines the proper functioning and well-being of society. They remain equal for all irrespective of caste, creed, religion, etc. Law governs a factual statement that can not be changed or altered for the need of people.
Therefore, the correct options for this question are A and E.
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The burning of fossil fuels provides energy for humans to use, but it also can have negative effects. For example, when large power plants burn fossil fuels, certain chemicals are released in the atmosphere that react with water vapor, resulting in acidic precipitation. This phenomenon is known as acid rain. Acid rain has had an adverse effect on ecosystem diversity throughout the world.
Which of the following would best decrease acid rain levels and reduce the human pollution impact on the environment?
A.
regulation of human outdoor activity
B.
chemical treatment of the soil that has been affected by acid rain
C.
chemical treatment of the water that has been affected by acid rain
D.
regulation of factory emissions
Answer:
The answer is D.
Explanation:
A has nothing to do with factories
B and C will treat the effects of acid rain, but won't stop more from coming.
D is the only one who will cut the problem off at its source.
I hope this helps!
Answer:
The answer would be D.
Which survivorship strategy is used by the type I species?
A. Having a short life span
B. Having a high birthrate
C. Dying mostly while young
D. Having few offspring
Answer c
Explanation:
Type I species use a survivorship strategy of having few offspring with high parental care, resulting in most offspring surviving into adulthood but increased mortality in older age.
The survivorship strategy used by Type I species is having few offspring and investing significantly in parental care to increase their survival. Species with a Type I survivorship curve, such as humans and most primates, see a high percentage of their offspring survive through early and middle years. This strategy means that death predominantly occurs in the older individuals of the species. For example, in humans, demographic data typically shows low mortality rates during childhood and middle age, followed by an increase in mortality in the elderly population.
Organisms with Type I curves are often large animals in relatively stable environments. They can afford to have fewer offspring because they invest substantial time and energy in ensuring that each offspring reaches maturity. This contrasts with Type III species, which have many offspring with the expectation that most will not survive to adulthood due to high juvenile mortality rates.
How does Angiogenesis lead to cancer cells?
Answer:
The angiogenesis are formation of new blood vessels. The formation of new blood vessels supply the cancer cells oxygen and nutrients which is stimulated by the chemical signals sent by the tumor allowing the tumor to enlarge and they continue to invade nearby body tissues spreading to the whole body forming new colonies of cancer cells.
Explanation:
50 things that use electricity
Answer:
Cars
Lightbulbs
Laptops / Computers
Heating.
Cooling.
Water Heater.
Washer and Dryer.
Lights.
Refrigerator.
Electric Oven.
Dishwasher.
Cell phone charger: 1 W
Computer LCD monitor: 3.5 W
Desktop computer (off): 9.21 W
Desktop computer (sleeping): 83.3 W
Computer stereo speakers: 5.6 W
Plugged in laptop (not charging): 50 W
Fax machine: 8.72 W
Furnace: 9.8 W
Air Conditioner: 1 W
Ink jet printer: 4 W
Coffee maker: 2.7 W
Musical instruments: 4.2 W
Gas range: 1.7 W
Night light (off): 0.34 W
Surge protector: 6.3 W
Electrical toothbrush: N/A
Shaver: N/A
Explanation:
how do you think these bones are involved in a whale's movement ?
Answer:
Explanation:where are the bone's, you didn't list them
In some chickens, feather color is controlled by codominance. When a black chicken mates with a white chicken, all of the offspring
are covered in both black and white feathers.
A farmer mates a black chicken (BB) with a black and white (BW) chicken.
What are the predicted phenotypes of their offspring?
Answer: 50% BB, 50% BW
Explanation:
The phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
What is Codominance?Codominance is a type of inheritance in which two alleles of the same gene are expressed differently to produce different traits in an individual. It is the presence of multiple dominant alleles for the same gene.
For the above given information,
Black chicken (BB) cross with black-and-white (BW) chicken. The gametes will be B, B, and B, W.
So, 50% of the offspring is BB black chicken and 50% is black-and-white (BW) chicken.
Thus, the phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
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100 Points HELP ASAP
Answer no 1)
The cross between a homozygous red bull (RR) and a heterozygous red cow can be made as follows:
R r
R RR Rr
R RR Rr
The results from the experiment show that 50% of the genotype will be homozygous for red colour and 50% of the population will be heterozygous for the red colour. The phenotype will be 100% red.
Answer No 2)
Cross between a heterozygous red bull (Rr) and a heterozygous red cow (Rr)
can be shown as follows:
R r
R RR Rr
r Rr rr
The results show that the genotype will be 25 % homozygous dominant, 50% heterozygous and 25% homozygous recessive. The phenotype will show 75% dominant trait (red) and 25% recessive trait (white).
Answer No 3)
The cross between a homozygous white bull (rr) and a homozygous white cow (rr) can be shown as follows:
r r
r rr rr
r rr rr
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Answer:
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Explanation:
Someone help me with this question. Thx
Answer:
Because it is the number one souce of oxygen on the armosphere and photosynthesis makes food from sunlight, carbon dioxide, and water
What were Punnett squares developed to do?
to predict the probability of offspring phenotypes
to predict the probability of offspring genotypes
neither of the above
Answer: to predict the probability of offspring genotypes
Explanation: Punnett squares are developed to predict the probability of offspring genotype. Punnett square is a square shaped diagram used for predicting the possible genotypes of a cross between two organisms. Punnett square is named after Reginald C. Punnett, who invented the approach. In punnett squares, the genotypes of the parents are written on the top and left hand side of the square while the possible genotypes of their offsprings are written in the boxes.
Answer:
He is correct
Explanation:
help please im not sure if my answer is correct i think it might be the first one tho
Answer:
I would also go with Answer A
Explanation:
The object is for sure moving because as time goes on it goes farther in distance but the rate it's increasing in is constant.
Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation.
H-C-0-H
-
-
I-U-O
OH
-0-I
Which chemical formula reflects the diagram?
O 6012H6C
6C12H60
Mark this and retum
Save and Exit
Next
Submit
HELPPPPP
Answer:
6C12H60 is the chemical formula of glucose which is formed during the process of photosynthesis.
In photosynthesis, carbondioxode enters into the plant body through small opening called stomata and water is absorbed by the plants from the soil. When these two materials combine with each other, two products are formed such as glucose and oxygen.
Equation of photosynthesis.
CO2 + H2O - - - - C6H12O6 + O2
Answer: The chemical formula reflects the diagram is 6C12H60.
Explanation: During photosynthesis, six molecules of carbon dioxide react with six molecules of water to form one molecule of glucose and six molecules of oxygen. The equation for the reaction is: 6CO2 + 6H2O --> C6H12O6 + 6O2. A glucose molecule contains six atoms of carbon, twelve atoms of hydrogen and six atoms of oxygen (C6H12O6). Therefore, 6C12H60 is the same as C6H12O6