Read the passage "A Food Chain on TV" in the box below. A FOOD CHAIN ON TV While watching a nature program on TV about animals in an African savanna, Sydney realized that she was seeing a food chain in action. She saw some zebras eating grass and shrubs, and then she saw cheetahs eating other zebras. If Sydney were to draw a food chain for the environment on the nature program, to which living thing should the last arrow point?

Answer:

d. the release of phosphorus into the phloem of a plant growing in a phosphorus deficient soil.

Explanation:

Homeostasis is a living organism's way of maintaining a stable internal environment even in the event of external environmental changes. When the plant keeps supplying phosphorus to the phloem even in the case of a deficiency in the soil, it maintains a steady balance on its inside irrespective of the lack in the soil.

Answer:

sugar C ;D

Explanation:

Sugar is the molecule that is broken down during cellular respiration.

Glucose is a relatively large molecule and contains more energy in its bonds than smaller molecules. Therefore, by breaking it, energy is released that the body can use to perform its vital functions.

This breakdown occurs in cellular respiration, which is a catabolic process in which a fuel molecule, glucose (sugar), whose energy is trapped in the form of ATP (universal source of energy), is oxidized.

Glucose is oxidized and degraded to carbon dioxide and water, producing ATP.

The production of energy in the form of ATP generates heat, so ATP cannot be released all at once, but must occur gradually, in several stages: glycolysis, Krebs cycle and oxidative phosphorylation.

Therefore, we can conclude that sugar, which is the molecule that initiates respiration, is the molecule that is broken down during cellular respiration, which releases the energy stored in the chemical bonds of glucose.

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Answer:

The answer is insomnia.

Explanation:

"Insomnia" means habitual sleeplessness. Ultimately, becoming restless and unable to maintain one's sleep-wake cycle, which will cause stress overtime.

Explanation:

i weigh 120 pounds

Here's a simple table representing the conditions of an experiment:

| Condition | Variable 1 | Variable 2 | Variable 3 |

|-----------|------------|------------|------------|

| Condition A | Value A1 | Value A2 | Value A3 |

| Condition B | Value B1 | Value B2 | Value B3 |

| Condition C | Value C1 | Value C2 | Value C3 |

| Condition D | Value D1 | Value D2 | Value D3 |

In this example, there are four different conditions (A, B, C, and D) being tested. Each condition has three variables (1, 2, and 3) associated with it. The table shows the specific values assigned to each variable within each condition. Please note that the table above is just a generic example, and the actual variables and values will depend on the specific experiment you are referring to.

Answer:

Osmosis is the flow of a solvent into a solution through a semipermeable membrane. Osmotic pressure is the pressure that stops the process of osmosis. Osmotic pressure is a colligative property of a substance since it depends on the concentration of the solute and not its chemical nature.

Answer:

Wind, and movement.

Explanation:

Before designing a solution to protect an estuary, the conservation group should gather the following two pieces of information: Ecological Characteristics, and Threat Assessment.

1. Ecological Characteristics: The conservation group needs to understand the specific ecological characteristics of the estuary.

This includes information such as the biodiversity present, the types of habitats within the estuary, and the species that rely on the estuary for their survival.

2. Threat Assessment: It is crucial for the conservation group to assess the specific threats that the estuary is facing. This includes evaluating the extent and impact of invasive species.

The existing human structures or activities that are affecting the estuary, the level of pollution and its sources, and the potential consequences of climate change on the estuary's ecosystem.

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Answer:

D

Explanation:

Answer:

D

Explanation: All the way

The spinal meninx that is avascular and composed of collagen and elastic fibers is the arachnoid mater, option A.

The arachnoid mater is a delicate membrane that lies between the dura mater and the pia mater. It has a spider-web-like appearance because of the network of collagen and elastic fibers that make up its structure. The spinal cord is surrounded by three layers of meninges: dura mater, arachnoid mater, and pia mater. The dura mater is the outermost and toughest of the three meninges. It is a thick, fibrous membrane composed of dense irregular connective tissue that forms a sac around the spinal cord.

The pia mater is a thin, delicate layer that directly adheres to the spinal cord. It is made up of elastic and collagen fibers that are oriented parallel to the longitudinal axis of the spinal cord. The arachnoid mater lies between the dura mater and the pia mater. It has a spider-web-like appearance because of the network of collagen and elastic fibers that make up its structure.

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The examples of survival outcomes are "Time until acute lymphoblastic leukemia relapse" and "Time until death or stroke." These examples involve measuring the duration until a specific event occurs, making them survival outcomes.

They are particularly relevant in medical research, where understanding the time to relapse or the time until death or stroke can provide valuable insights into disease progression, treatment effectiveness, and patient prognosis.

In the case of acute lymphoblastic leukemia, tracking the time until relapse helps researchers and clinicians assess the efficacy of treatment protocols and identify potential factors influencing disease recurrence. Similarly, studying the time until death or stroke allows for the evaluation of risk factors, treatment interventions, and survival rates in various populations.

"Time worked per week on BIOS 6601 course" does not represent a survival outcome as it pertains to the amount of time spent on a course, which is not directly related to health or mortality. Additionally, "Race" refers to categorizing individuals based on their racial background and does not inherently involve survival outcomes.

Survival outcomes focus on measuring and analyzing the duration until specific events occur, providing valuable information for medical and health-related research.

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Answer:

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.

Answer:

A.nucleus

Explanation:

The control center of in a cell is called nucleus

Answer:

the surroundings or conditions in which a person, animal, or plant lives or operates.

Explanation:

Answer:

O-

Explanation:

Someone with A- type blood can receive A- and O- type blood

Suzanne can receive blood from a donor with blood type A- or O-. Suzanne cannot receive blood from donors with blood types A+, B-, or O+ because these blood types have either A or B antigens on the surface of their red blood cells that could cause a transfusion reaction in Suzanne, or because their plasma contains antibodies that could react with Suzanne's red blood cells.

Blood type A individuals have A antigens on the surface of their red blood cells and antibodies against B antigens in their plasma. Blood type O individuals do not have A or B antigens on the surface of their red blood cells and have antibodies against both A and B antigens in their plasma.

Blood type A- individuals have Rh factor negative blood, meaning they do not have the Rh factor antigen on their red blood cells.

Therefore, Suzanne can receive blood from a donor with blood type A- because their red blood cells have the same A antigens as hers, and their plasma does not contain B antibodies that could react with her red blood cells.

She can also receive blood from a donor with blood type O- because their red blood cells do not have A or B antigens that could cause a transfusion reaction, and their plasma does not contain A or B antibodies that could react with Suzanne's red blood cells.

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For Genotype, 25% of their offspring would be homozygous Dominant(FF), 50% would be Heterozygous (Ff), and 25% would be recessive (ff)

For Phenotype, 75% of offspring would have Freckles, while 25% would have no freckles.

the answer is well stomata

Answer: C

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Answer:

Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting. Poor sanitation reduces human well-being, social and economic development due to impacts such as anxiety, risk of sexual assault, and lost educational opportunities.

EXPLAINATION :

Sanitation refers to public health conditions related to clean drinking water and adequate treatment and disposal of human wastes and sewage. Preventing human contact with faeces is part of sanitation, as is hand washing with soap.

RELATIONSHIP BETWEEN SANITATION AND DISEASE:

a) In our country, a large number of people even today do not have sewerage facilities and thus defecate in open fields, railway tracks, etc. The untreated human excreta thus pollute soil and water sources including the underground water. When this contaminated water is used for drinking, it can cause diseases such as cholera, typhoid, hepatitis, dysentery, etc. which may even lead to death. Therefore, the lack of sanitation resulting in the drinking of contaminated water can cause health problems.

b) If sanitation is there, no disease will occur, but if sanitation is not there various types of disease will occur and spread. So sanitation should be kept to avoid disease

SAMAJ GAYI NA MISS JANVI.

Answer:

I'M ALSO AGREED WITH ABOVE GUY ANSWER

The major difference between cells that are found in human skin and human nerve cells is option D which is skin cells lack cytoplasm since nutrients do not need to pass in intracellular space.

Cells refer to the most small unit in which human existence is base on. Group of cells combine to form tissues.

Cells has three major components and these are nucleus, cytoplasm and cell membrane.

The cell membrane is the layer that surround the cells and these help to control materials that move in and out of the cells.

Cells is the major constituent of living things.

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Answer:

it can travel in material medium but it can't travel in vaccum

The steps of mitosis are in the order of prophase, metaphase, anaphase, telophase.

Mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei.

Mitosis comprises four basic phases: prophase, metaphase, anaphase, and telophase.  These phases occur in this strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. The mitotic phase is a relatively short period of the cell cycle. It alternates with the much longer interphase, where the cell prepares itself for the process of cell division. Interphase is divided into three phases: G1 (first gap), S (synthesis), and G2 (second gap).

Thus, the order of phases in mitosis is in the order of prophase, metaphase, anaphase, telophase.

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During a tapeworm infection, you would expect to see increased numbers of eosinophils. Neutrophils are most effective at: fighting a bacterial infection.

Leukocytes protect the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. Platelets are essential for the repair of blood vessels when damage has occurred; they also provide growth factors for healing and repair.

The granules of eosinophils include antihistamine molecules, which counteract the activities of histamines, inflammatory chemicals produced by basophils and mast cells. Some eosinophil granules contain molecules toxic to parasitic worms, which can enter the body through the integument, or when an individual consumes raw or undercooked fish or meat which causes infection.

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A low pH activates pepsin (1.5 to 2). At the a pH around 1.8, which is extremely acidic, pepsin functions optimally.

An aspartic protease called pepsin helps mammals digest their food in the stomach. Pepsin can function in its naturally acidic environment at a pH of roughly 2, but at neutral pH, the protein becomes denatured. Because substrates frequently collide with the enzyme's active sites due to the molecules' rapid movement, the rate of enzyme activity increases as temperature rises from low to high (Reece et al., 2011). Pepsin action around 30 °C in L, at its peak. Pepsin functions best at pH 1.8 so because carboxylic group just on amino in the active site of pepsin must be in the protonated form, which is bound to a hydrogen atom. At low pH levels, a carboxylic acid molecule is protonated, enabling.

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Current anti-VEGF medications have a big limitation that they are not durable, need regular injections to maintain low VEGF levels in the eye.

On January 28, the U.S. Food and Pharmacological Administration (FDA) granted approval to a potential new drug therapy for patients with either neovascular age-related macular degeneration (nAMD) or diabetic macular edoema (DME). This news has given millions of Americans fresh hope.

The first injectable medication, Vabysmo, formerly known as faricimab-svoa, targets both eye disorders at once.

Additionally, it is the first to use two different therapy paths to combat the disorders.

The macula, the core region of the retina that provides the clearest straight-ahead vision, is susceptible to fluid leakage in both nAMD and DME due to weak arteries.

Vascular endothelial growth factor-A (VEGF-A) and angiopoietin-2 (Ang-2) are two proteins that, by means of various pathways, contribute to blood vessel instability, inflammation, and fluid leakage into the macula. Vabysmo successfully neutralizes these two proteins.

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It is difficult to make a prediction about the level of dissolved oxygen at Site A without more information.

5. since site A located near the headwaters of the river, it may be more likely to have a higher level of dissolved oxygen than downstream sites because it has not yet been impacted by human activities that could deplete oxygen levels.

6. A fallen and decomposing tree would increase the BOD of the area because microbes will consume the organic matter from the tree, which will require oxygen. As a result, the amount of oxygen available for other aquatic organisms will decrease, potentially leading to a decrease in dissolved oxygen levels.

7. Site E, which is located near a farm and a golf course, may have the highest levels of phosphates and nitrogen. This is because both elements are used in fertilizers to stimulate plant growth, and the runoff from the farm and golf course could carry excess nutrients into the water.

8. Alice's observation that her site had a low number of TSS could be indicated by the water being more transparent. This is because TSS reflects particles that are suspended in the water, and fewer particles would result in clearer water.

9. Humans are concerned about fecal coliform bacteria because they can indicate the presence of harmful pathogens that can cause illness if the water is consumed or if people come into contact with it through swimming or other activities.

10. Algae growth would increase DO because algae produce oxygen during photosynthesis. However, it would decrease BOD because algae consume organic matter, reducing the amount of oxygen required by microbes. Algae growth could also increase turbidity if it becomes too dense and makes the water murky

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Answer:I think it was The Heat waves can be dangerous, causing illnesses such as heat cramps and heat stroke, or even death. Warmer temperatures can also lead to a chain reaction of other changes around the world. That's because increasing air temperature also affects the oceans, weather patterns, snow and ice, and plants and animals

Explanation:

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Answer:

the role an organism plays in a community

Answer:

a comfortable or suitable position in life or employment

Answer:

Explanation:

Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. ... Bedrock also underlies sand and other sediments on the ocean floor. Bedrock is consolidated rock, meaning it is solid and tightly bound. Overlying material is often unconsolidated rock, which is made up of loose particles.

Regolith is a blanket of unconsolidated, loose, heterogeneous superficial deposits covering solid rock.