symbiosis and species interactions keystone webquest answer key

Option A, The Young-Helmholtz theory proposes that B. there are three different types of color-sensitive cones in the eye that are sensitive to different wavelengths of light, which allows us to perceive a wide range of colors.

These cones contain pigments that respond to different parts of the visible spectrum, such as red, green and blue. This theory sensitive states that the sensitive brain interprets the relative stimulation of these cones as different colors. There are four different types of cones is not accurate, because the Young-Helmholtz theory states that there are three different types of cones. Retinal cells are excited by one color and inhibited by its complimentary color is not accurate either. The retinal cells are sensitive to different wavelengths sensitive of light and the brain interprets the relative stimulation of these cells as different colors. rod, not cone, vision accounts for our ability to detect fine visual detail is not accurate according to the Young-Helmholtz theory, which focuses on the role of the cones in color vision, not the rods. Rods are responsible sensitive for our ability to see in low light conditions and detect fine details in dim light.

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Clams need aquarium pH: 7.0 – 8.0 and water temperature: 70 – 80 degrees Fahrenheit to survive.

With aquarium pH, some potterers suggest that lower terrarium pH in the upper 6’s may also be respectable to Freshwater Bones. Others try to keep terrarium pH above 7. Water on the acidic side may not be stylish for the bone ’s shell over the long term. Water of the aquarium should be well oxygenated.

Calms care issue relates to terrarium size and the quantum of water it holds. There needs to be enough water in the tank to hold sufficient comestible matter to support the calm ’s nutritive requirements.

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Answer:C

Explanation:

The DNA polymerase enzyme's capacity to proofread the DNA molecule helps to decrease DNA replication mistakes.

Fortunately, cells have developed extremely complex mechanisms to correct most of those errors, but not all of them. While some errors are fixed following replication in a stage called mismatch repair, others are fixed while replication is still happening in a stage called proofreading. Replication is impeded when an erroneous nucleotide is added to the developing strand because the exposed 3′-OH group is in the wrong location. DNA polymerase enzymes notice this during proofreading and swap out the erroneous nucleotide to keep replication going. Even if 99 percent of mistakes may be corrected by proofreading, accurate cell reproduction is still not possible.

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The correct option (B)  Is directly related to the frequency of crossing-over.

The procedures used to establish the location of a gene and the distances between genes are referred to as gene mapping. Gene mapping may also describe the distances between various locations within a gene.

The purpose of all genome mapping is to place a set of molecular markers on the genome in their proper locations. Molecular markers exist in many different forms and sizes. Genes may be viewed as a type of genetic marker and mapped in the same way as any other marker when creating genome maps. Gene mapping aids in the creation of unique recombinants inside an organism in a variety of fields of study.

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Artificial selection is a contrast to natural selection.

Natural selection is the process by which populations of organisms adapt and change. Individuals within a population are inherently variable. In other words, all individuals are different in some way. This variation means that some individuals have traits that adapt better to their environment than others.

Natural selection is the selection process that occurs as a result of an organism's ability to adapt to its environment. Artificial selection, on the other hand, is selective breeding imposed by an external entity, usually a human, to increase the abundance of desirable traits.

Examples of natural selection include : Selection of long-necked giraffes.

Examples of artificial selection include : Breeding different breeds of dogs and cows to produce the desired breed.

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Scientists used the conversion of stored binary patterns to send an image to the star cluster M13 as a way to transmit data over long distances through space using radio waves.

Generally,  Radio waves allowed scientists to communicate data over vast distances via space by converting stored binary patterns into a pattern that could be decoded as an image. This was done in order to send a picture to the star cluster M13.

By encoding the information to be sent into a binary format, which can then be communicated as a sequence of radio waves, this technology enables the transfer of enormous quantities of information in a manner that is both efficient and accurate.

It is possible that the picture was selected as the data to be sent in order to demonstrate the capabilities of the technology or to test those capabilities.

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When shellfish ingest dinoflagellates, a) they turn red. So,correct option is a.

Red tides are conditions when a dinoflagellate ingest builds to such gigantic numbers that it stains the water. This "sprout" might be brought about by supplement and hydrographic circumstances, albeit the natural circumstances which bring about red tides are not totally perceived. For dinoflagellate red tides, the water is stained red or brown due to as high as 20 million cells for every liter. These red tides are made fundamentally out of one types of dinoflagellate that has been quickly developing and gathering.

The dinoflagellates are a monophyletic gathering of single-celled eukaryotes comprising the phylum Dinoflagellata and are generally viewed as green growth. Dinoflagellates are generally marine tiny fish, yet they likewise are normal in freshwater natural surroundings. Their populaces differ with ocean surface temperature, saltiness, and profundity. Many dinoflagellates are photosynthetic, yet a huge part of these are truth be told mixotrophic, consolidating photosynthesis with ingestion of prey (phagotrophy and myzocytosis).

Hence,correct option is a.

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Answer:

Maybe exoskeleton?

No, those who were successful in Round One will not be successful in Round Two since there will be increased competition.

In the pursuit of a single, unshareable aim, competition is a contest between two or more parties in which one side gains an advantage over the other (an example of which is a zero-sum game). Humans, social and economic organisations, and living things are all competing entities. It provides people a variety of employers and working settings while also creating jobs.

Additionally, competition lessens the need for government intervention through business regulation. Consumers, society, and individual liberty all benefit from a healthy, competitive free market. Studies show that competition can promote focus, effort, and learning. A student may be motivated to work significantly harder on their homework by the social pressure of competing with other students.

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Mendel was greatly involved in the field of genetics, and provided first hypothesis or law named as law of segregation.

Mendel's First Law, also known as the Law of Segregation, states that the alleles for a trait separate during the formation of gametes and randomly unite at fertilization. This means that when two parents with different alleles for a trait produce offspring, each offspring will receive one allele from each parent. This law helps to explain why certain traits are inherited, as well as why the ratio of certain traits can be predicted.

The Mendel made all the observation for the hypothesis or law using Pea plant, that was the best model he selected by careful observation skill that he possessed. The Law of segregation was proven by the pea plant as plant producing violet flower having heterozygous condition could give rise to white flowers in next generation, confidently explaining the process of segregation.

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An Individual that is a hybrid organism is heterozygous. This means that it carries two different alleles at a particular genetic position or locus.

Traits can be defined by genes, environmental factors or a combination of both. Traits can be qualitative such as eye colour or they can be quantitative such as height or blood pressure. A given trait is part of an individual's overall phenotype. If an organism has one of the same type of allele on each of its chromosomes, that organism has a pure trait. If an organism has two different types of alleles on its chromosomes, that organism has a hybrid trait.

The genotype of the F1 hybrid offspring is Aa or Bb. The hybrid is heterozygous for both active genes. The recessive effects of aa and bb have been completed in the hybrid by the inheritance of one dominant gene.

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The identification from a direct smear from a nasopharyngeal swab stained with Loeffler methylene blue stain showed various letter shapes and deep blue, metachromatic granules: Corynebacterium spp.

Thus, the correct answer is D.

Lаborаtory tests from direct exаminаtion of swаbs or blood smeаr of Corynebacterium spp. are

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Explanation:

Food labels always state the sugar, fat and salt content in percentage or per 100 grams or per serving to help consumers in their selection of products.

Behavioral adaptations, physiological adaptations and structural adaptations are the three types of adaptations which enable an organism to survive.

All living organisms need to adapt in order to survive. There are three types of adaptations which can enable a particular organism to survive and they include the behavioral, physiological and structural adaptations.

Structural adaptations are basically the unique features present in an organism's body which help it to survive in a particular condition. For example, ducks have webbed feet which help them to swim. The changes in different processes that occur inside an organism's body include the physiological adaptations. For example, some spiders change the physiological processes in their body to weave webs using different spider silks. Behavioral adaptations are changes in the actions which allow the organism to survive. For example, coyotes communicate by howling at night.

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The given statement " the genetic information in a gamete is identical to one of the original separated sets of chromosomes in the parent" is true because gametes contain only one of a chromosome pair that exists in the diplod parents cells.

Hence, the correct option is True.

A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA fibers in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.

During the process of gamete formation or meiosis in parental sex cells, the pair of chromosomes in the parent cells divide to produce daughter cells or gametes containing only singer chromosomes,

Thus, the gametes contain only one set of chromosomes identical to the parent's chromosomes.

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Answer: it’s True<3

Explanation: WHY HASNT YALL BE ONLINE!!!

Growth factors entering the cell nucleus are not a factor in the cell division regulation in normal cells. Therefore, option a is correct.

The word "growth factor" refers to a group of gene products that are crucial in controlling cell division and tissue proliferation. There is a unique cell receptor for each growth factor.

Growth factors can act on particular cell surface receptors, which then relay their signals to various intracellular components and ultimately lead to altered gene expression. When a growth factor binds to a receptor, cell division can begin or be blocked in particular circumstances.

They attach to the receptor and function as signaling molecules. To have the desired effect, the activated receptor in turn activates an intracellular protein. They don't enter the cell nucleus instead act on the cell surface receptors.

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The 5 main food groups helps in providing wide array of nutrition to the body, that helps to promotes healthy life style and also minimizes the risk of stoke and life threatening diseases . These food groups can also helps to add flavors and texture that making eating more interesting .

Hence , if we talk about individual functions of food groups they include ,Carbohydrates are body's primary source of energy or preferred energy source. Carbs are generally broken down by the body into glucose which is also a type of sugar. Protein are responsible to work with cells for maintaining proper structure, function, and regulation of the body's tissues and organs. vegetables and fruits helps lower blood pressure, reduce the risk of heart disease and stroke, prevent cancers. Fats store energy and protect vital organs .

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This is what I think maybe this can help you

The five things which bacteria need in order to survive are nutrition, temperature, acidity, oxygen and moisture.

Bacteria are single-celled microorganisms that are able to survive in a number of different conditions. Bacteria are mostly found almost everywhere in the environment.

Bacteria need basic conditions to survive which are nutrition, temperature, acidity, oxygen and moisture. Nutrition helps in bacteria to grow and provides energy.

Different bacterial types need different temperatures in order to grow. Most of the bacteria survive in low acidic or in neutral environments but also a lot of bacterial types which can survive in a wide spectrum of pH. Some bacteria do not require oxygen while some type of bacteria require oxygen in order to grow. Moisture also happens to boost bacterial growth.

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In the beginning of "The World on Turtle's Back," we can see that a character named just as "husband" is terrified of being punished for having destroyed the sacred tree that lit up the world where he lived.

"The World on Turtle's Back," is a myth created by the Iroquois to explain the origin of the earth and living things. In this myth, we can see:

There was a realm above the heavens that was created even before the earth was created.

This realm was inhabited by magical beings who did not die, grow old, or get sick. They were called the people of heaven.

There was a tree in the center of that realm that was holy.

The tree lit up the entire kingdom, since the sun did not exist.

One day, one of the women of the heavenly realm discovered that she was pregnant with twins. She is very happy and tells her husband, but he is furious with the news, to the point of pulling the sacred tree from the ground. This causes a hole and he throws his pregnant wife into that hole.

The man is terrified, not because he threw his wife to an unknown end, but because he destroyed the sacred tree and is afraid of being punished.

Despite the fall, the woman survives and gives birth to the twins who will create all the elements of planet earth.

With this, we can conclude that the Iroquois also created myths to explain things they did not know, such as the origin of the planet and human beings.

Your question is incomplete most probably your full question was

In the beginning of "The World on Turtle's Back," why did the husband become "terrified"? He was terrified the he might never see his wife again. He was terrified that his wife might fall through the hole in the sky. He was terrified that he would be punished for marring a sacred tree. He was terrified that the Great Tree would fall into the ocean.

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Over time, an adaptation that will make it easier for herbivores to acquire food is a long neck.

An herbivore is an organism that mostly eats plants. A herbivore can be any size, from tiny insects like ants to huge, massive elephants. Herbivores make up a substantial portion of the food web, which is a description of the species that eat other animals in the wild.

We are physically herbivorous, despite the fact that many people prefer to consume both plants as meat, giving us the questionable moniker of "omnivores." The good news is that it's still possible to dine like our ancestors: Vegetables, fruits, nuts, and legumes form the foundation of a wholesome vegan diet.

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Gravity holds the sun, earth, and moon together, and these three bodies engage in a variety of interactions. Due to the earth's gravitational attraction, the moon revolves the planet. And because of the sun's gravitational attraction, the earth orbits the star.

The Moon travels in tandem with Earth's orbit around the Sun. Despite the Earth's continued motion, the Moon must travel two additional days during its orbit, which lasts 27 1/2 days.

The Moon is 384,403 kilometres away from Earth on average. Additionally, there are 149,597,887 kilometres between the Earth and the Sun on average.

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After the cyanide poisoning the proton gradient will be reduced. Moreover, it will lead to the stopping of the electron transport chain (ETC). Because it prevents the complex IV from transporting electrons, cyanide functions as a poison.

Most of the electron transport chain will abruptly slow down and cease if complex IV cannot transmit electrons. Protons won't be pumped out of the matrix and into the intermembrane space if electrons aren't traveling along the transport chain. The gradient will deteriorate as the protons already in the intermembrane space move down their gradient and into the matrix because they won't be replaced. Thus, this will cause the intermembrane space's pH to decrease.

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Treating chronic disease naturally is becoming increasingly popular as more people look to natural remedies to support their health and wellbeing. There are a number of strategies you can use to treat chronic disease naturally, such as making lifestyle changes, utilizing natural treatments and supplements, and finding supportive resources.

Lifestyle changes are key to treating chronic disease naturally, as they can help reduce inflammation, reduce stress, and improve overall wellness.

Eating a healthy, balanced diet, exercising regularly, and getting enough sleep are all important lifestyle changes that can help to manage chronic illness. Additionally, reducing your exposure to environmental toxins and managing stress levels can be beneficial.

Natural treatments and supplements can also be used to help treat chronic disease naturally. Herbs, essential oils, and dietary supplements can be used to support a healthy immune system, reduce inflammation, and support overall wellbeing.

Finally, finding supportive resources can be helpful in managing chronic illness naturally. Support groups, online forums, and communities can provide emotional support and help connect individuals with resources and information to help them manage their chronic disease.

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The statement that represents a reasonable hypothesis that could explain these results is Uptake of 3H label resulted from DNA replication, and uptake of 14C label resulted from transcription.

The process by which a double-stranded DNA molecule is duplicated to form two identical DNA molecules is known as DNA replication. Replication is necessary because when a cell splits, the two new daughter cells must have the same genetic information, or DNA, as the parent cell.

The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Other DNA sequences are transcribed into RNA molecules known as non-coding RNAs. Only 1-3% of total RNA samples contain mRNA.

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Each gamete has a unique DNA set because of recombination and independent assortment during meiosis. The resultant zygote has a special set of genes as a result.

A diploid cell, or homolog, the first stage of meiosis, has two copies of each chromosome. Each homolog now consists of two identical sister chromatids as a result of the cell's first DNA replication process.

Then, through homologous recombination, each set of homologs pairs with one another and exchanges genetic material, frequently resulting in physical connections (crossovers) between the homologs. The spindle machinery segregates the homologs into distinct daughter cells during the first meiotic division. The cells then move directly to a second division without a round of DNA replication in between.

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The majority of ATP created during cellular respiration is used in the electron transport chain (oxidative phosphorylation).

Cellular respiration is the mechanism by which glucose molecules are broken down into [tex]CO_2[/tex] and [tex]H_2O[/tex] to provide energy from Adenosine Triphosphate (ATP). Additionally, cellular respiration often occurs in an organism's cells by turning the metabolic energy contained in foods into adenosine triphosphate. Additionally, it occurs in three steps, which are the TCA cycle, electron transport, and glycolysis (Oxidative phosphorylation). As a result, the stage of aerobic cellular respiration that produces the most ATPs is called oxidative phosphorylation.

Normally, ATP releases energy by dismantling any weak phosphate cells that may be present. The energy that is released as the phosphate cell disintegrates is then put to use. ADP is created after ATP.

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Gizmo High nitrate levels in a newborn's drinking water are typically the cause of the blue baby syndrome. To save other babies from getting sick and to identify the source of the elevated nitrates is crucial.

Blue infant syndrome is most frequently brought on by nitrate-contaminated water. A baby's body turns nitrates into nitrites after consuming formula prepared with nitrate-rich water. The body's haemoglobin binds to these nitrites to generate methemoglobin, which cannot transport oxygen.

A well-known risk factor for child methemoglobinemia is preparing infant formula using drinking water that has been polluted with nitrogen cycle. Infants that are affected have strange blue-gray skin and, depending on the degree of their disease, may become agitated or sluggish.

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It allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph.So the correct option is c.

When discussing the life spans of organisms, it is common to use a percentage scale rather than actual ages on the x-axis of a graph. There are several reasons for this.

First, researchers do not know the maximum life span of the organisms that they are studying. By using a percentage scale, they can compare species with widely varying life spans on the same graph without having to worry about one species having a much longer lifespan than the others.

Second, the range of the actual ages would be too large to fit on the graph. By using a percentage scale, the data can be more easily visualized and compared.

Finally, for any graph, the x-axis and y-axis must use the same units. By using a percentage scale on the x-axis, the researcher can easily use the same units on both the x-axis and y-axis, making the data easier to compare and interpret.

In conclusion, a percentage scale is used for the x-axis of a graph when discussing the life spans of organisms because it allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph, and the data can be more easily visualized and compared if the same units are used on both the x-axis and y-axis.

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