Why is sunlight important to all aquatic ecosystems?

Pick a answer
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A. Sunlight allows fish to see their surroundings, even at depth.

B. All of the other answer choices

C. Aquatic producers need sunlight to make food and release oxygen.

D. Aquatic organisms cannot carry out life processes in the dark.

Skin is most vulnerable to uncontrolled cellular growth as it gets exposed to the external environment and the possible carcinogens

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Answer:

Explanation:

These products are designed to coat the gastric tissues and protect it from the acidity of the stomach or gastric secretions.

Pepto Bismol is made up of mainly Bismuth subsalicylate which has the ability to coat the mucosal surface of the gastric tissues.

Milk of Magnesia contains antacid that helps reduce the acidity of the stomach.

Therefore Pepto Bismol and Milk of Magnesia can be taken when people have an upset stomach.

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Plants can be genetically engineered through the use of biotechnology to be less susceptible to insects. This trait will make pesticide use less necessary.

This is the sample answer on edge.

This method combines the genetic productivity enhancement of plants with the management of their hazardous organisms.

Typically, agricultural biotechnology is utilized to boost plant production productivity to reduce the use of pesticides.

In agriculture by applying biotechnology, pest management and the use of pesticides will be reduced for modified plants.

The emergence of insect-resistant plants will be accelerated by technological advancements, and with an improved grasp of biotechnological processes, the acceptance of biotechnology goods might grow.

Therefore to reduce paste management and make crop resisitance for paste biotechnology is used.

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Answer:

Its used as validity, and quality of the articles. The main purpose of it is to filter out poor or invalid articles.

Explanation:

Answer:

Evidence on the health effects of total polyunsaturated fatty acids (PUFA) is equivocal. Fish oils are rich in omega‐3 PUFA and plant oils in omega‐6 PUFA. Evidence suggests that increasing PUFA‐rich foods, supplements or supplemented foods can reduce serum cholesterol, but may increase body weight, so overall cardiovascular effects are unclear.

Objectives

To assess effects of increasing total PUFA intake on cardiovascular disease and all‐cause mortality, lipids and adiposity in adults.

Search methods

We searched CENTRAL, MEDLINE and Embase to April 2017 and clinicaltrials.gov and the World Health Organization International Clinical Trials Registry Platform to September 2016, without language restrictions. We checked trials included in relevant systematic reviews.

Selection criteria

We included randomised controlled trials (RCTs) comparing higher with lower PUFA intakes in adults with or without cardiovascular disease that assessed effects over 12 months or longer. We included full texts, abstracts, trials registry entries and unpublished data. Outcomes were all‐cause mortality, cardiovascular disease mortality and events, risk factors (blood lipids, adiposity, blood pressure), and adverse events. We excluded trials where we could not separate effects of PUFA intake from other dietary, lifestyle or medication interventions.

Data collection and analysis

Two review authors independently screened titles and abstracts, assessed trials for inclusion, extracted data, and assessed risk of bias. We wrote to authors of included trials for further data. Meta‐analyses used random‐effects analysis, sensitivity analyses included fixed‐effects and limiting to low summary risk of bias. We assessed GRADE quality of evidence.

Explanation:

Answer:

These benefits occur due to sediment deposition – when suspended particles settle down to the bottom of a body of water. This settling often occurs when water flow slows down or stops, and heavy particles can no longer be supported by the bed turbulence.

Answer:

because they are soft

Explanation:

and that why they swim

Answer:

It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.

Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.

Explanation:

Answer:

The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.

The author's belief is that Winslow Homer's paintings depict the exciting tension between the standard of thermodynamics and the human desire for control and stability.

Homer's use of nautical and outdoor settings, as well as welcome depictions of labor and industry, represent the conflict between everything in creation's energy and the human struggle to harness and hold it.

Winslow Homer's work was created all along the late 19th century, a time of excellent technological and modern progress in America. The nation was extending westward, and skill was a growing interest in the natural world and the allure of power.

Homer's paintings indicate this cultural circumstance, as well as welcome personal experiences as a journalist covering war during the Civil War.

Homer's paintings frequently depict nautical scenes, in the way that storms, shipwrecks, and fishing expeditions. He also commonly portrays labor and manufacturing, such as lumberers, miners, and ironworkers. The content of his paintings stresses the struggle between humans and character, as well as the desire for control and expertise over the environment.

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The correct answer is D.) OTTA GCT GCA

Answer:

II. disruption of a hydrogen bond that stabilizes the R conformation

IV. loss of oxygen binding capacity per hemoglobin tetramer

V. decreased formation of salt bridges involving the C-termini of the alpha and beta chains when the protein is deoxygenated.

Explanation:

Answer:

Seven days after a spring tide, the sun and moon are at right angles to each other. This produces moderate tides known as neap tides, meaning that high tides are a little lower and low tides are a little higher than average. Neap tides occur during the first and third quarter moon, when the moon appears "half full.

a. He should also measure the concentration of caffeine in the coffee that the test subjects drink to find a correlation between urine output and caffeine.

What is Caffeine?

Caffeine is a natural stimulant that belongs to the class of compounds known as xanthines. It is commonly found in coffee, tea, cocoa, energy drinks, and some medications. Caffeine works by blocking the action of a neurotransmitter called adenosine, which normally slows down nerve cell activity in the brain and causes feelings of tiredness and drowsiness. By blocking adenosine, caffeine increases activity in the brain and central nervous system, leading to increased alertness, energy, and concentration.

The researcher's conclusion that the coffee itself had no effect on urine output is not entirely accurate. The fact that both groups produced an average of 250 ml of urine per hour over the next two hours does not necessarily mean that coffee had no effect on urine output. To identify the effects of coffee drinking, the researcher should also measure the concentration of caffeine in the coffee that the test subjects drink to find a correlation between urine output and caffeine.

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The statement in the box was made by John F. Kennedy upon becoming president in 1963.

Kennedy was inaugurated as the 35th President of the United States on January 20, 1963, succeeding Dwight D. Eisenhower. His inaugural address was a call for national service and a call to action for all citizens to become involved in the affairs of their nation.

Kennedy's speech was one of the most memorable in American history and is widely considered one of the most important presidential speeches of the 20th century. In his address, Kennedy famously said, "Ask not what your country can do for you; ask what you can do for your country."

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Answer:

The process represented by the equation 6H₂0 + CO2 + light → C6H12O6 + O2 is photosynthesis.

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose (C6H12O6). During photosynthesis, carbon dioxide (CO2) and water (H₂0) are combined in the presence of light to produce glucose and oxygen (O2). Photosynthesis is an important process that allows plants to produce their own food and is also a key source of energy for the Earth's ecosystems.

Answer:

Land plants get the water they use in photosynthesis from the soil through their roots.

Land plants obtain water for photosynthesis from the soil, which is absorbed through their roots and transported to the leaves through the xylem.

Land plants obtain water for photosynthesis primarily from the soil. The process involves a series of steps that enable water uptake and transportation within the plant. First, plant roots, equipped with root hairs, extend into the soil and absorb water through osmosis. This occurs because the concentration of dissolved substances, such as minerals, in the root cells is higher than that in the surrounding soil.

Water moves from the roots to the xylem, which is a specialized tissue responsible for transporting water and nutrients throughout the plant. This upward movement is facilitated by a combination of root pressure, capillary action, and most importantly, transpiration. Transpiration is the loss of water vapor from the plant's leaves through small openings called stomata. As water evaporates from the leaf surfaces, it creates a negative pressure gradient that pulls water up through the xylem from the roots.

Once water reaches the leaves, it is utilized during photosynthesis. The water molecules are split during the light-dependent reactions, releasing oxygen as a byproduct and providing electrons for the production of ATP and NADPH, which are essential for the light-independent reactions (Calvin cycle).

In summary, land plants rely on their roots to absorb water from the soil, which is subsequently transported through the xylem to the leaves where it is utilized in the process of photosynthesis.

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Answer:

Solar energy is converted to chemical energy in the photosynthesis process, which converts water and carbon dioxide to glucose. As a byproduct, oxygen is released. Oxygen is required to break down glucose in cellular respiration, producing chemical energy and heat in the process.

Explanation:

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Although water enjoys sticking to itself, there are some situations where it actually prefers to stick to different kinds of molecules. Adhesion, which is the attraction of molecules of one sort to molecules of another kind, can be very strong for water, particularly when those other molecules have positive or negative charges.

Oils and fats are examples of nonpolar compounds. Since these nonpolar molecules are chargeless, water is not particularly drawn to them. Even when well mixed into water, molecules of nonpolar substances like oil and gasoline have a tendency to separate from the water once the mixing is stopped.

Things that do not dissolve in water :

Mustard oil, sawdust, sand, wheat flour, petals of flowers, chalk powder and soil are insoluble in water.

Amazingly, water can stick to both other things and to itself. In covalent compounds like ammonia (NH3), water (H2O), and hydrogen fluoride gas, hydrogen atoms covalently link to nitrogen (N), oxygen (O), or fluorine (F) to form hydrogen bonds (HF).

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The correct order in which these structures evolved in plant cells is mitochondria, chloroplasts, cell walls. So, option 2 is correct.

Numerous crucial functions are carried out by mitochondria in plants. Their main function is to produce ATP by linking a membrane potential to the passage of electrons from NADH to O2 via the electron transport chain. The tricarboxylic acid cycle is used to produce NADH by oxidizing organic acids.

The organelle of photosynthesis is called a chloroplast. In order to create nourishment (sugar) for the plant, they harness light energy from the sun and combine it with water and carbon dioxide. Two phospholipid membranes, one inside the other, envelop the chloroplast.

Outside of the cell membrane, a cell is surrounded by a hard layer known as a cell wall. Other polysaccharides, in addition to cellulose and protein, can also be found in the cell wall. The cell wall offers defense and support to the structure. The cell wall contains pores that allow nutrients and water to enter and exit the cell. Additionally, the cell wall stops the plant cell from bursting if water gets inside.

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The actual form of the question is:

Select the answer choice with the correct order in which these structures evolved in plant cells:

1) cell walls, mitochondria, chloroplasts

2) mitochondria, chloroplasts, cell walls

3) chloroplasts, mitochondria, cell walls

4) chloroplasts, cell walls, mitochondria

5) mitochondria, cell walls, chloroplasts

Answer: Ocean waters increase the rate of decomposition of garbage.

Explanation: I took the quiz

The template strand is AGG, so the mRNA is UCC, and the amino acid is serine. The template strand is CTAGCT, the mRNA is GAUCGA, and the polypeptide chain is Val-Arg.

The codon is present on the mRNA, which is three consecutive nucleotides, and depending upon this, the amino acids are joined to make the polypeptide chain, and the mRNA is made from the DNA template strand.

Hence, the template strand is AGG, so the mRNA is UCC, and the amino acid is serine. The template strand is CTAGCT, the mRNA is GAUCGA, and the polypeptide chain is Val-Arg.

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Answer:

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Answer:

A snap together model makes sense to use because to form compounds, atoms bond to each other. A plastic snap together toy demonstrates the bonds with the snaps, but can be disconnected and rearranged to model the formation of different compounds through chemical reactions.

Explanation:

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Answer:

Risky behavior refers to engaging in activities that can endanger someone's life

Answer:

Explanation: The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 8 contain the most reactive elements.

Answer:

The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 8 contain the most reactive elements.

Explanation: