A.true B.false
All members of an ecosystem are equal in relative effect on one another and the landscape.
Answers
Answer:
B.
Explanation:
Related Questions
1.scientist solve problem in an organised way called ________
2.amoeba move or feed with ________
3.nucleus was first discovered by ________
4. creation of the something new called _______
5. longest cell is________
Answers
Answer:
1. Scientific method
2. pseudopods
3. In 1909, Ernest Rutherford’s
4. innovation
5. nerve cell
1.) Define Pure substances:
2.) What are the two different types of Mixtures?
3.) What are solvent and solute? Give an example for both.
Answers
Explanation:
The substances that are free from any kind of mixture and contain only one kind of particle are pure substances.There are two types of mixtures: heterogeneous and homogeneous.Solvent is, in simplest terms, something in which you dissolve another substance (also called as solute) and this mixture will yield what we know as a 'solution'. ... Some examples of solvents are water, ethanol, toluene, chloroform, acetone, milk, etc. Examples of solutes include, sugar, salt, oxygenwhich of the following are heart healthy substitutions? check all that apply. which of the following are heart healthy substitutions? check all that apply. A. choose guacamole to replace cheese dip. B. choose butter to replace tub margarine. C. choose olive oil to replace coconut oil. D. choose pancakes to replace bacon
Answers
The heart-healthy substitutions are: A. Choose guacamole to replace cheese dip. and C. Choose olive oil to replace coconut oil.
These substitutions are considered heart-healthy because guacamole, made from avocados, is a source of healthy fats and can be a good alternative to cheese dip, which is often high in saturated fats. Similarly, olive oil is a healthier option compared to coconut oil, as it contains predominantly monounsaturated fats instead of saturated fats. The other options, B. Choose butter to replace tub margarine and D. Choose pancakes to replace bacon, are not heart-healthy substitutions. Butter and tub margarine both contain saturated fats, which can increase the risk of heart disease. Pancakes, although a different food item than bacon, are typically made with refined flour and can be high in added sugars, which are not heart-healthy choices.
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When Anna eats an apple, the sugars in that apple are broken down into the substance called glucose. Glucose is then burned in her body for energy. One of the body parts that needs this energy is the heart, which beats due to electrical impulses. A byproduct of this glucose breakdown is the heat that warms her body and is later released.
Which identifies the energy transformations that take place in Anna’s body as this process takes place?
A.) Mechanical energy is converted to kinetic energy, which is then converted to potential energy.
B.) Chemical energy is converted to thermal energy and electrical energy.
C.) Electrical energy is converted to chemical energy and thermal energy.
D.) Mechanical energy is converted to potential energy which is then converted to kinetic energy.
Answers
Based on what you learned in PBS, what are three foods that would be considered good energy sources? Explain your choices. Bean, nuts, and green vegetables are considered good energy sources. They are high in fiber and low on the glycemic index.
Answers
Based on PBS, the three foods that would be considered good energy sources is bean, nuts, and green vegetables, these foods are recommended as they are high in fiber and low on the glycemic index that increase energy levels.
They are perfect for maintaining energy levels throughout the day without any sudden crashes. Basically, the glycemic index is a scale that ranks foods based on the impact they have on blood sugar levels. Foods that are high on the glycemic index are quickly digested and can cause a rapid increase in blood sugar levels followed by a quick crash. Nuts and beans are low on the glycemic index, and they contain healthy fats and protein, which provide long-lasting energy.
Green vegetables such as spinach, kale, and broccoli are high in nutrients such as iron, which is essential for carrying oxygen to the muscles. This makes them a great source of energy as they help maintain healthy blood flow, reduce inflammation and provide natural fuel to the body. In conclusion, incorporating beans, nuts, and green vegetables into your daily diet is an excellent way to increase energy levels. They provide lasting energy without sudden crashes and are nutrient-dense.
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Most of the mass of organic material of a plant comes from
A. water
B. carbon dioxide
C. soil minerals
D. atmospheric oxygen
E. nitrogen
Also, explanations for answers on why it's correct/incorrect please
Answers
Answer:
B. Carbon dioxide is the primary source of organic material in plants.
Plants are autotrophs, which means they produce their own food through the process of photosynthesis. During photosynthesis, plants use energy from sunlight to convert carbon dioxide (CO2) and water (H2O) into organic molecules like glucose, which they use as a source of energy and building material. Oxygen (O2) is also produced as a byproduct of photosynthesis.
While water and soil minerals are important for plant growth and development, they do not contribute significantly to the organic mass of the plant. Nitrogen is also important for plant growth and is a component of many organic molecules, but it is not the primary source of organic material in plants.
Therefore, the correct answer is B. Carbon dioxide, which is converted into organic material during photosynthesis, is the main source of the plant's organic mass.
Answer: B, carbon dioxide
Explanation:
the mass is primarily carbon because the carbon comes from the carbon dioxide used during photosynthesis. during photosynthesis, plants will convert the sun's energy into a chemical captured within the bonds of carbon molecules created from carbon dioxide and water. The Caborn ends up in the plant's food as well
Why would you expect equal numbers of guanine and cytosine in a molecule of DNA, but not necessarily in a molecule of RNA?
Answers
Answer:
DNA is double-stranded, so there must be equal numbers of C and G because they pair to each other on the complementary strands.
RNA is only single-stranded, so there can be any number of C and G. They don't pair to each other, because there's only one strand.
Equal numbers of guanine and cytosine would be expected in a molecule of DNA, but not RNA because:
DNA is double stranded with the first strand being a complimentary copy of the other. The two strands are also associated with each other by hydrogen bond.RNA is single strand.In the double strand DNA, Adenine always pair with Thymine while Guanine always pair with Cytosine. Hence the number of Adenine must be equal to that of Thymine while that of Guanine must be equal to Cytosine.
The single strandness of RNA means that it can contain an arbitrary amount of any of the bases without following a particular rule.
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Could someone help me
Answers
For the characteristics it doesn’t have, it doesn’t move or talk.
So the answer for the last image is it is a living thing.
for which movement of earth materials is gravity not the main force
Answers
Answer:
moisture evaporating from an ocean
Explanation:
A liquid and a solid mixed together. What does NOT indicate that a
chemical change has taken place?
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Identify the shape of the bacteria
Answers
It is rod shaped bacteria
What are rods, bacilli, and cocci?
Although bacteria can take on a wide range of shapes, the most often researched species tend to be either spherical (named cocci, singular coccus), or cylindrical (called rods or bacilli) (singular bacillus). Rods and cocci are actually the extremes of a spectrum.
Similar to the streamlined body of a fish, a boat, or an airplane, a rod-shaped cell has a body that would be ideal for swimming. The frictional resistance will be larger for a spherical body. The majority of the flagellated motile bacteria are rod-shaped, which lends support to this concept. It contains a large number of rod-shaped bacteria, including Shigella, Citrobacter, Salmonella, Klebsiella, and Escherichia coli.
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Which two scientists theories supported the general consensus of the people and religious teachings of the time
Answers
Answer:
Aristarchus and Aristotle's theories supported the general consensus of the people and religious teachings of the time.
Explanation:
Which structure is not a part of the cytoskeleton
a)mircotubules
b)centrosomes
c)mircofilaments
d)centrioles
Answers
Answer:
it has everything in the list
Explanation:
The cytoskeleton. Microtubules, microfilaments (actin filaments), and intermediate filaments. Centrioles, centrosomes, flagella and cilia.
Hello,
Question:- Which structure is not a part of the cytoskeleton?
Answer:-
The above listed Microtubules, centrosomes, microfilaments and centrioles are the structures of Cytoskeleton.
Sunlight penetrates the shallowest waters of the ocean, providing an energy source to photosynthetic organisms, who in turn are the food source of other organisms. Consider what would happen if the ocean at these depths, the euphotic zone, became cloudy from sediment-rich runoff from a storm near the coast. Read the sentences below, and fill in the blanks to make them complete and correct.
1. A cloudy euphotic zone would affectphytoplankton by restricting their ability to obtain sunlight for ____________.
2. As a result of this storm, zooplankton could suffer from a reduced population of __________ to feed on.
3. Because phytoplankton are considered producers, animals that feed on them would suffer when their _________ is low.
4. ___________ organisms in the aphotic zone will not likely be as affected by thick clouds of sediment in the water.
5. Productivity in this area would become _________.
6. The __________ accounts for vertical space and distance in the ocean water.
Answers
A cloudy euphotic zone would affect phytoplankton by restricting their ability to obtain sunlight for photosynthesis. As a result, zooplankton could suffer from a reduced population of phytoplankton to feed on. Animals that rely on phytoplankton as a food source would also suffer when their population is low.
Organisms in the aphotic zone, which is beyond the reach of sunlight, are less likely to be affected by sediment clouds. The productivity in the affected area would decrease due to the limited availability of sunlight. The term "euphotic zone" refers to the vertical space and distance in the ocean water where sunlight can penetrate.
A cloudy euphotic zone would affect phytoplankton by restricting their ability to obtain sunlight for photosynthesis. Phytoplankton rely on sunlight as an energy source for photosynthesis, and a cloudy euphotic zone would limit the amount of sunlight reaching them, thus reducing their ability to carry out photosynthesis effectively.
As a result of this storm, zooplankton could suffer from a reduced population of phytoplankton to feed on. Zooplankton are dependent on phytoplankton as their primary food source. With a decrease in the population of phytoplankton due to limited sunlight, the availability of food for zooplankton would be reduced, potentially leading to a decline in their population.
Because phytoplankton are considered producers, animals that feed on them would suffer when their population is low. Phytoplankton form the base of the marine food chain as primary producers. When the population of phytoplankton decreases, organisms that rely on them for scarcity of their food source, impacting their survival and reproductive success.
Organisms in the aphotic zone will not likely be as affected by thick food, such as small fish and other zooplankton, would experience a clouds of sediment in the water. The aphotic zone is the region of the ocean where sunlight cannot penetrate. Therefore, organisms that inhabit this zone, such as deep-sea organisms, are adapted to survive in low-light or complete darkness conditions. They are not directly dependent on sunlight for their energy needs, so they are less likely to be affected by sediment clouds in the euphotic zone.
Productivity in this area would become reduced. With the limitation of sunlight reaching the euphotic zone due to sediment-rich runoff, the availability of energy for photosynthetic organisms like phytoplankton would decrease. As a result, the productivity of the area, in terms of biomass production and food availability for higher trophic levels, would decline.
The term "euphotic zone" accounts for vertical space and distance in the ocean water. The euphotic zone refers to the upper layer of the ocean where sunlight can penetrate, enabling photosynthesis to occur. It is the depth range where there is sufficient light for photosynthetic organisms to carry out their metabolic processes. The vertical extent of the euphotic zone varies depending on factors such as water clarity, turbidity, and the angle of the sun, and it plays a crucial role in determining the distribution and abundance of marine organisms.
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Write the feature if the class cyclostomata
Answers
What is the name for all the neurons in the central nervous system?
A. Axon neurons
B. Interneurons
C. Sensory neurons
D. Motor neurons
Answers
Answer:
B. Interneurons
Explanation:
The basic unit of the central nervous system is the neuron or the nerve cells. Billions of neurons allow the different parts of the body to communicate with each other via the brain and the spinal cord. A fatty material called myelin coats nerve cells to insulate them and to allow nerves to communicate quickly.
adrenoleukodystrophy (ald) is a recessive, x-linked disease resulting in defective enzymes attacking myelin in the nervous system. what possibility exists for a daughter to have ald if the father is unaffected and the mother is heterozygous for the disease?
Answers
Adrenoleukodystrophy (ALD) is indeed a recessive, X-linked disease characterized by defective enzymes that affect the myelin in the nervous system. In this case, if the father is unaffected by ALD and the mother is heterozygous for the disease, there is a possibility for their daughter to inherit ALD.
In general , if the father is unaffected: Since ALD is X-linked, the father must have inherited a normal copy of the X chromosome without the disease-causing mutation. Therefore, he does not have ALD and cannot pass it on to his daughter.
Also, The mother is heterozygous: The mother carries one normal copy of the X chromosome and one copy with the disease-causing mutation. As she is heterozygous, she is considered a carrier of ALD. Although she does not manifest symptoms herself, she has the potential to pass on the mutated X chromosome to her children.
X-linked inheritance in daughters: In females, who have two X chromosomes (XX), the presence of a single normal X chromosome is usually enough to prevent the development of ALD. However, if a female inherits a mutated X chromosome from her mother, she has a 50% chance of being a carrier like her mother and a 50% chance of being unaffected.
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please help!! this is urgent
Answers
Rr - red
rr - white
Identify the most likely cause of the following scenario:
A street in a desert is filled with cracks despite rarely being driven on by cars.
The asphalt is cracked from constant expanding due to heat during the day and contracting due to cold at night.
The asphalt is cracked due to animals burrowing to create homes.
The asphalt is cracked due to roots growing underneath from the lush rain forest surrounding the road.
The asphalt is cracked due to rusting caused by exposure to water and oxygen over long periods of time.
Answers
Answer:
yes
Explanation:
Answer:
The asphalt is cracked from the constant expanding
Explanation:
Gatorade is a common beverage athletes drink. Gatorade can be made from powdered drink mix and water. In this solution, which is considered the solute?
Answers
Answer:
The solute is powdered drink mix
Explanation:
The solute is powdered drink mix is solute because solute is any substance that dissolves in a solvent while solvent is the substance that dissolve solute or the dissolving medium. When solute dissolve in solvent it is called solution.
Solution is an homogeneous mixture of substance which comprises of solute that dissolve in solvent.
which is an example of a pioneer species?
A. lichens
B. ferns
C. spiders
D. squirrels
Answers
Answer:
lichen
Explanation:
Common examples of pioneer species include bacteria, lichen, mosses, and fungi.
Answer:
Lichens
Explanation:
Where was Flannery O'Connor born? a. Milledgeville b. Savannah C. Andalusia d. Lourdes EL CA VE C
Answers
why is carrying capacity important in relation to world-wide population growth? (select all that apply)
Answers
Carrying capacity is a concept used to describe the maximum population size that an ecosystem can sustainably support over time.
It is a critical factor in relation to world-wide population growth because it helps to illustrate the finite resources of the planet, and the limits to how much human populations can grow before exceeding the Earth's carrying capacity. As the human population continues to grow, it puts increasing pressure on natural resources such as food, water, and energy, which are necessary to support life.
Understanding the concept of carrying capacity is essential for sustainable development and management of resources, as it can help to inform policies aimed at balancing population growth with resource availability.
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In the past few years, several bills that deal with noise pollution have been introduced in Congress. Several lawmakers want to make stricter laws at the national level to restrict noise pollution.
Compose a letter to one of your state's representatives about noise pollution. In your letter, persuade your lawmaker that noise pollution should be controlled more strictly and be sure to address the following points:
explain what noise pollution is and where it comes from,
explain how noise pollution can harm people,
explain how noise pollution can harm wildlife, and
explain how you think national noise pollution laws could work.
Answers
Answer:
1.Noise pollution, also known as environmental noise or sound pollution, is the propagation of noise with ranging impacts on the activity of human or animal life, most of them harmful to a degree. The source of outdoor noise worldwide is mainly caused by machines, transport, and propagation systems.
2.Noise pollution impacts millions of people on a daily basis. The most common health problem it causes is Noise Induced Hearing Loss (NIHL). Exposure to loud noise can also cause high blood pressure, heart disease, sleep disturbances, and stress. These health problems can affect all age groups, especially children
3.Studies have shown that loud noise can cause caterpillars' hearts to beat faster and bluebirds to have fewer chicks. Noise pollution makes it difficult for animals to use sound for navigation, finding food, mating, and avoiding predators, affecting many animals' ability to survive
4.We can Reduce Noise pollution by turning off appliances when not in use, use of earplugs, lowering the volume, planting more trees, regular maintenance of vehicles and machines. By controlling noise we can control negative health effects that noise pollution has on everyone.
Human blood groups are an example of codominance. The blood types are A(I^ A i,; [^ A [^ A ) B (l^ B i,; I^ B I^ B ) , AB ( ), and O (). A man who is type AB ( ) marries a woman who is type O (ii). What are the chances that their child will have a) type AB blood, b) type blood , c) type A blood , and d) type B blood ?
Answers
The ABO blood type system consists of three alleles: A, B, and O. Any individual has two of these three alleles in any mix. In the preceding example, a woman of blood group O marries a guy of blood group AB.
As a result, the spouses have the genotypes:
Mother: IO IO, Father: IA IB
Using the Punnett square method, the following blood groups are feasible in the progeny:
I^O I^O
I^A I^A I^O I^A I^O
I^B I^B I^O I^B I^O
As a result, the potential alleles are IA IO and IB IO.
Blood Group A and Blood Group B are thus potential genotypes.
a) 0%
b) 0%
c) 50%
d) 50%
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An gene has the following nucleotide sequence: TTCAGAGGT What amino acid sequence will the resulting protein have?
Answers
I think that’s it but I’m not sure
What is the finite window of opportunity for cells to develop into a particular tissue or organ?
Answers
A crucial period is the limited window of time during which cells can transform into a particular organ or tissue. with relation to the growth of organs or tissue.
Describe an organ in the human body.The identifiable parts of the body, such as the heart, lungs, liver, eyes, and stomach, that carry out certain tasks are referred to as organs. A variety of tissue types and hence a variety of cell types make up an organ. There are billions of unique cell types that make up all tissues and organs.
The age of an organThe hydraulis, a crude Greek innovation from the third century bce, which controlled the wind with water pressure, was the first organ that is known to exist. But it took over 400 years for a bellows-only organ to make its first appearance in writing.
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It is known that one of the ramifications of a radical
mastectomy or other such surgery is lymphedema. How would you
prepare a patient that is about to undergo such a procedure for
this occurrence? pl
Answers
Preoperative Counseling: Before the surgery, the healthcare team should engage in thorough preoperative counseling with the patient. This includes explaining the potential risk of lymphedema, its causes, and the signs and symptoms to watch for. It is essential to provide the patient with accurate and realistic information to manage expectations and reduce anxiety.
Education on Lymphatic System: Educate the patient about the role and function of the lymphatic system, emphasizing how lymphedema may develop due to disruption or removal of lymph nodes during the surgical procedure. Explain that lymphedema is a chronic condition that requires long-term management.
Preoperative Exercise and Range of Motion: Encourage the patient to engage in preoperative exercises and range-of-motion activities, which can help improve lymphatic flow, maintain joint flexibility, and enhance postoperative recovery. A physical therapist or occupational therapist can provide specific exercises tailored to the patient's condition.
Skin Care and Hygiene: Emphasize the importance of proper skin care and hygiene to reduce the risk of infection and skin breakdown, both of which can exacerbate lymphedema. Advise the patient to keep the skin clean, moisturized, and protected from injury, and to promptly report any signs of infection or skin changes.
Compression Garments: Discuss the potential benefits of compression garments in managing lymphedema. Explain how these garments apply gentle pressure to promote lymphatic flow and reduce swelling. Inform the patient about the types of garments available and the appropriate use of compression sleeves or stockings, particularly during air travel or strenuous activities.
Gradual Progression of Activities: Encourage the patient to gradually resume normal activities and exercises after the surgery, under the guidance of a healthcare professional. Stress the importance of avoiding sudden or excessive strain on the affected limb and listening to their body's signals.
Support and Resources: Provide the patient with information about support groups, counseling services, and resources available for individuals managing lymphedema. These support systems can offer emotional support, education, and practical tips for coping with the challenges of living with lymphedema.
Follow-Up Care: Schedule regular follow-up appointments to monitor the patient's progress, assess for signs of lymphedema, and provide ongoing guidance and support. Collaborate with a multidisciplinary team, including surgeons, oncologists, physical therapists, and lymphedema specialists, to optimize the patient's care and management of lymphedema.
It is crucial to individualize the preparation for each patient based on their specific needs, medical history, and surgical plan. Providing comprehensive education, support, and resources can empower patients and help them proactively manage lymphedema following a radical mastectomy or similar surgery.
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Which of the following phrases correctly describes veins?
Answers
Answer:
Veins carry blood from the capillaries to the heart
Explanation:
what is the most likely role of the pores in cell membrane?
Answers
Answer:
The membrane pores and proteins are responsible for many specialized functions; some act as receptors that allow the cell to respond to external signals, some are responsible for the selective transport of molecules across the membrane, and others participate in electron transport and oxidative phosphorylation.
Explanation:
i hope this helps itll come easier for you eventually