How would the jellyfish population be affected if sea turtles were removed?

Answer: Hydrogen Gas, heat and pressure.

Explanation: Sun is made up of hydrogen and helium gas, heat and high pressure. Sun is huge ball made up of 70 per cent of hydrogen and 28 per cent. The pressure in the sun is also high.

The sun shines because it turns hydrogen into helium by the process of nuclear fusion. This states that with time the amount of helium will be more and hydrogen will be less.

The correct answer is hydrogen gas, add heat, and remove pressure.

The correct answer is hydrogen gas, add heat, and remove pressure. In the Sun, energy is generated through a process called nuclear fusion, where hydrogen atoms combine to form helium atoms. Scientists try to recreate this process by using hydrogen gas and adding heat to initiate the fusion reaction. Removing pressure helps to create the conditions required for the fusion reaction to occur.

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They are both in the domain Eukarya.

Nitrate poisoning in newborn infants is referred to as methemoglobinemia and blue baby syndrome; these terms describe the oxygen-deprivation symptoms that occur when infants consume water with high levels of nitrates.

The two correct terms for nitrate poisoning in newborn infants are methemoglobinemia and blue baby syndrome. When infants under the age of six months consume water with excess nitrates, they can develop methemoglobinemia, where hemoglobin is converted to methemoglobin, which cannot carry oxygen efficiently. This condition manifests as blue baby syndrome, characterized by symptoms such as shortness of breath and blue discoloration of the skin due to hypoxia. While the link between nitrates in drinking water and blue baby syndrome has been debated, with some suggesting other factors may contribute to the syndrome's outbreaks, elevated nitrate levels are still a recognized risk. The European Union's drinking water quality standards limit nitrate levels to less than 50 mg/L, while concerns about poisoning effects emphasize the importance of keeping hazardous substances away from children and following appropriate treatments for different types of poisoning.

Final answer:

The two terms describing nitrate poisoning in infants are methemoglobinemia and blue baby syndrome, conditions associated with high nitrate levels in drinking water and potential severe health risks.

Explanation:

The two correct terms for nitrate poisoning in newborn infants are methemoglobinemia, commonly known as blue baby syndrome.

This condition is characterized by a reduced ability of blood to carry oxygen, resulting in symptoms like shortness of breath and a blue tint to the skin.

Infants under six months are particularly at risk if they drink water containing nitrates above the Maximum Contaminant Level (MCL), which can lead to serious health issues and, if untreated, death.

While nitrate levels above 10 mg/L in drinking water are linked to methemoglobinemia, some studies suggest that other factors could also contribute to the syndrome. Nevertheless, maintaining safe drinking water standards is crucial for preventing such health risks in newborns.

Answer:

The animals get nitrogen from the plants. The nitrogen that is present in the environment is not used by the plants in the gaseous form. The bacteria that is found in the soil fixes nitrogen and makes it usable for the plants.

The plants uptake nitrpogen in the form of nitrates. The animals that feed on these plants uptake nitriogen from it.

The animals excrete the waste materials and release nitrogen in the environment.

DNA polymerase is an enzyme which carries out all forms of DNA replication. This enzyme catalyses the addition of nucleotide substrates to DNA in the 5' -3' direction during replication. Proof reading and error correction is done by the DNA polymerase. This enzyme can remove nucleotides from the end of the growing strand in order to correct mismatched bases.

Answer:

60 million years ago

Explanation:

The formula needed for this problem to calculate the correct number of years is:

Number of Base Pair Mutations × (Number of Years ÷ Mutation Rate) = Years of Evolution

Just like in math, simply substitute the corresponding numbers to get the desired answer:

6 Base Pair Mutations × (20,000,000 Years ÷ 1 Mutation) = 120,000,000 Years of Evolution

Then, divide the amount of time that separates these two species in half to determine how long ago their lineages shared a common ancestor. The formula needed for this part is:

Total Years of Evolution ÷ Number of Species (Lineages) = Years of Evolution From a Common Ancestor

Again, substitute the correct numbers in their place to get the answer:

120,000,000 Years of Evolution ÷ 2 Species/Lineages = 60,000,000 Years of Evolution From a Common Ancestor

Hope this helps :)

Final answer:

Two species that have molecules differing by six neutral mutations, given a mutation rate of one mutation per 20 million years, diverged from a common ancestor approximately 120 million years ago.

Explanation:

The question asks how long ago two species share a common ancestor if their molecules differ by six mutations, with the molecular clock indicating one mutation every 20 million years. To calculate the time of divergence, we multiply the number of mutations by the mutation rate. Since there are six mutations observed, and each mutation represents 20 million years of divergence, we perform the calculation of 6 mutations × 20 million years/mutation.

The calculation reveals that the two species diverged from a common ancestor 120 million years ago (6 × 20 million years = 120 million years). This period is based on the assumption that mutations as tracked by the molecular clock occur at a constant rate.

The hypothalamus is accountable for monitoring some of the metabolic procedures and other activities of the autonomic nervous system. It discharges and produces some of the neurohormones, known as releasing hormones or hypothalamic hormones, and these in return inhibit or stimulate the secretion of pituitary hormones.

Thus, the correct answer is option A, that is, hypothalamus connects the endocrine and nervous systems and controls the pituitary gland.

During the process of translation, the cell reads information from the messenger RNA and then uses this to form proteins.

Translation is one of the many transformations that proteins have to undergo. In this process, the proteins read information from the messenger RNA codons, and from the information they get, they form proteins.

The chains that are formed during the process of translation result in polypeptide chains that form proteins.

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The genetic drift account for the consistency of this level of methemoglobin as these individuals generally have methemoglobin levels of 10-20% of total hemoglobin.

Methemoglobin is a form of hemoglobin that has been oxidized, changing its heme iron configuration from the ferrous (Fe2+) to the ferric (Fe3+) state. Unlike normal hemoglobin, methemoglobin does not bind oxygen.

Methemoglobinemia can result from either congenital or acquired processes. Congenital forms of methemoglobinemia are due to autosomal recessive defects in the enzyme cytochrome b5 reductase.

Methemoglobin does not bind oxygen, thus effectively leading to a functional anemia. In addition, methemoglobin causes a leftward shift of the oxygen-hemoglobin dissociation curve.

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Final answer:

The consistency of methemoglobin levels in the Fugate family of Kentucky can be explained by genetic drift, a random process that can fix certain alleles in a small, isolated population.

Explanation:

The Fugate family of Kentucky, known for their blue skin due to methemoglobinemia, presents a case where genetic drift could explain the high consistency of methemoglobin levels.

Methemoglobinemia occurs when hemoglobin, which should normally be in the ferrous (Fe²⁺) form, is oxidized to the ferric (Fe³⁺) form, limiting its capacity to carry oxygen.

In the Fugates' isolated population, certain genetic variants, including those affecting methemoglobin levels, could have increased in frequency through genetic drift. This is a random process where allele frequencies within a small population change due to chance events.

Thus, a homogenous environment where the allele for methemoglobinemia is present and no significant selective advantage or disadvantage is attached to it could lead to stable levels of methemoglobin across the population due to genetic drift.

This process is distinct from balancing selection, such as the situation with the sickle cell trait where heterozygotes have a selective advantage in malaria-endemic regions, showing the complexity of genetic inheritance and its interaction with the environment.

Unlike sickle cell trait, no apparent selective advantage is associated with higher levels of methemoglobin, but the closed nature of the gene pool in the Fugate family likely led to the perpetuation and stability of these levels through genetic drift.

Answer:

Deforestation

Explanation:

The main environmental issue in this case is deforestation. Deforestation refers to the clearing, removal, or destruction of trees and vegetation from a forested area. This activity can have significant negative impacts on the environment.

The 10% rule refers to the amount of energy available to the next trophic level.

The organism is defined as the individual form of life, which has the ability to carry out vital functions. The plants, animals, cells, and microorganisms are the organisms carrying out essential functions.

Organisms like fungi, animals, plants, microorganisms are considered as the biotic components, which carry out the vital functions necessary for survival and organisms.

The functions like growth, development, energy processing, response to the abiotic components, reproduction, and homeostasis are some of the vital functions that are required for the survival of organisms.

Thus, the organism is an individual form of life that carries out necessary functions.

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In fruit flies the allele for long wings (L) is dominant and the allele for short wings (l) is recessive  the likely genotype of a fruit fly with short wings is D. Only ll.

In fruit flies, the dominant V allele produces lengthy wings, while the recessive v allele produces vestigial wings. Thus, flies with the genotype VV or Vv can have lengthy wings, and flies with the genotype vv can have vestigial wings.

There are varieties of traits, Dominant and recessive. For a dominant trait simplest single replica of gene is enough for a phenotype to appear. So LL and LI each will bring about lengthy wings. While in a recessive trait each copies have to be same for the phenotype to appear. simplest Il genotype will bring about brief wing fruit fly.

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The approximate hardness of an unknown mineral ranges from 5-6 on the Mohs hardness scale.

The hardness of any mineral or element is estimated by the usage of the Mohs hardness scale or by scratching the unknown element with known substances.

The hardness of fluorite is four on the Mohs scale, while the hardness of quartz is seven which is harder as compared to fluorite.

If an unknown mineral makes a scratch on fluorite but not on the quartz, its hardness will definitely be higher than fluorite but lower than quartz.

Therefore, the approximate hardness of an unknown mineral ranges from 5-6 on the Mohs hardness scale.

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An example of a purebred dominant allele is RR.

An allele may be defined as one or two or more alternate forms of a gene.

An example of a purebred recessive allele is rr. While the allele Rr represents the heterozygous dominant condition.

Therefore, an example of a purebred dominant allele is RR.

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A non-renewable resource ... petroleum, natural gas) and ... It shows that efficient exploitation of a nonrenewable and nonaugmentable resource would, ...

A nonrenewable resource is a resource of economic value that cannot be ... nonrenewable resources are formed from ... since its radioactive nature makes it ...

Petroleum is a nonrenewable resource because it takes millions of years to form and cannot be replaced as fast as it is consumed. Our current usage rates will deplete petroleum reserves in decades, emphasizing the need for alternative energy sources.

Petroleum is considered a nonrenewable resource because it forms under the Earth's surface over millions of years from the decomposed organic materials such as dead plants and animals. This long formation process means that once we have extracted and used petroleum, it cannot be replenished on a human time scale. At our current rates of consumption, petroleum reserves are depleting rapidly, and it is estimated that they will be significantly diminished within decades. Therefore, the crux of the matter is that the rate of consumption far exceeds the rate of natural formation, leading to a finite availability of petroleum.

Nonrenewable resources, like fossil fuels, also pose environmental challenges when burned, such as releasing pollutants and greenhouse gases that contribute to climate change. As a result, there is a growing emphasis on developing sustainable alternative energy sources to reduce our reliance on nonrenewable resources and mitigate environmental impacts.

Answer : The correct answer is -

1) A. allopatric speciation.

2)B. behaviorally isolated.

Allopatric speciation can be described as formation of new species when a biological population belonging to one species becomes geographically isolated and no gene flow occurs between the two during the course of evolution.

As per the given information in the question, a group of salamander population moved to east and another to west, which later evolved into two different population as they were unable to mate.

Thue, it represents allopatric speciation.

As the salamanders developed different reproductive behaviors, therefore it indicates behavior isolation, suggesting that they will perform different mating rituals.

Answer:

the other person is right

Explanation: