hermit crabs live in shells made and then abandoned by snails

The answer is 0%  i just did the question.

Answer:

homeostatic imbalance

Explanation:

edge

The genetics of fruit flies can be used to examine related genes in humans.

Fruit flies and humans share 75% of the disease-causing genes, therefore researchers researching fruit flies can gain insight into human genetics.

Fruit flies make an excellent genetic model for research on human disease. The most common method for learning about genes involves seeing what happens to a fly when a particular gene is "knocked out" of its genome.  

In this manner, fly researchers can examine the gene's function in a pertinent area without compromising the fly's general well-being, which is crucial for simulating human diseases that target particular cell-types.

Therefore, for example, if the gene that was knocked out is a critical gene needed for growth and development.

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Predator-prey  

The graph represents a predator-prey relationship between the moose and wolves. There is an inverse relationship between the two; when the moose increase in number, the wolf population increases and then the moose population drops. That's because the wolves are eating the moose.

The graph represents a predator-prey relationship. So, the correct option is D.

Predation is defined as a community relationship in which organisms of one species, known as the predator, consume the tissues of another species of organism, known as the prey. This means killing prey and eating all or most of the prey organism.

In the given graph which represents a predator-prey relationship between moose and wolves, where there is an inverse relationship between the two organisms such that when the number of moose increases, the population of wolves increases and then Moose populations decline because of wolves eating moose.

So, the correct option is D.

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history of building a power plant-In June 27, 1954. The world's first power plant was opened. In Obninsk, outside of Moscow. In 1868 a hydro electric power station was designed and built by Lord Armstrong at Crag side, England. It used water from lakes on his estate to power Siemens dynamos. The electricity supplied power to lights, heating, produced hot water, ran an elevator as well as labor-saving devices and farm buildings. Then in 1870 generators were invented to produce power on a commercial scale for industries. But then in 1882 in Appleton Wisconsin, US DC power, 12.5 kW. This was the first Edison hydroelectric station. It powered Van Dipole's early electric trolleys later in 1886.Then in 1882 in New York City - Edison Illuminating Company builds New York's first power plant at the Pearl Street

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The digestive system breaks down food, absorbs nutrients, and eliminates waste through processes involving mechanical and chemical digestion, absorption, and elimination.

Functions of the Digestive System

The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste. Here are its main functions explained in bullet points:

Each organ in the digestive system, from the mouth to the intestines, plays a vital role in these processes.

C) RNA specifies proteins the same way.

In nearly all organisms, elements in mitochondrial RNA (called codons) specify each of the 20 amino acids that make up proteins.

The universal genetic code refers to the fact that DNA sequence transcribed into messenger RNA is always read as a triplet sequence of codons. These codons are read during translation by ribosomes and translated into the amino acid sequence, resulting in the synthesis of proteins.

Further explanation:

Protein synthesis through genes occurs in two steps:

The nucleotide sequence in the mRNA is read as a codon sequence in which each codon corresponds to a specific amino acid. A codon is a set of three nucleotides and a complete chain of codons determining the amino acid sequence for a particular protein is called the genetic code.

There are about 20 amino acids present in the proteins which are expressed through DNA containing only four nucleotides. The different sets of nucleotides present in a group of three codes for particular amino acids and are referred to as codons. This combination of nucleotides resulted in the formation of 64 codons for 20 amino acids. Out of 64 codons, three are stop codons while the other 61 codons represent an amino acid.  

It is said that the genetic code is universal which means that all the 20 amino acids are specified by the same codons in a number of organisms. Therefore, almost every organism uses the same set of rules for the translation of mRNA into proteins. These rules include reading the genetic code in the form of codon present in the mRNA by the ribosome in a sequential manner followed by protein synthesis as an amino acid sequence.

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Answer details:

Grade: Senior School

Subject: Genetics

Chapter: Translation of mRNA

Keywords:

mRNA, DNA, proteins, amino acids, gene, genetic code, codon, transcription, translation, protein synthesis, nucleotides.

Answer:

fertile

Explanation:

Answer: Tundra biome

Tundra biome is the coldest biome of the world. It is dominated by snow. The white wolf is also called as polar wolf and artic wolf. This animal species is native of Artic tundra biome located in the North America. These animals are adapted to survive in harsh winter conditions. They exhibit adaptations like small ears to minimize the surface area to volume ratio (less surface area will prevent the loss of heat), they have thick fur which is highly insulating, fur on the paws to provide them insulation and increase grip in otherwise slippery surface of ice, and thick layer of body fat keeps the body insulated against harsh external winter environment.  

AGAATTACTAGCTAG would be the complementary DNA strand to TCTTAAATGATCGATC.

Each base is combined with the base that it complements to form the complimentary strand. Adenine (A) and thymine (T) pair with cytosine (C) and guanine (G) in DNA. Each base must be swapped out for its complimentary base in order to identify the complementary strand.

In order to change each base, we may start with the original DNA sequence TCTTAAATGATCGATC and do so as follows:

A -> T G -> C T -> A C -> G

This results in the DNA strand's complementary sequence, AGAATTACTAGCTAG.

In conclusion, each base in the original sequence is switched out for its complimentary base to create the complementary strand. Here, T is switched out for A, C for G, A for T, and G for C to get the complimentary  bases. There are bas4s that combined with the phosphate group such that they combine all together to make nucleotide that will make strands.

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Usually, genes are transferred by bacteriophages, viruses that precisely takeover bacteria cells. Phages inject their own genetic material into the host cell like tiny syringes, compelling it to produce new phages. Throughout this occurrence, genes from the bacterial genome can be combined into the newly made phages. Subsequently, they inject their newly altered genetic load into other bacteria. By this, bacteriophages serve as a transportation, taking up DNA from one bacterium and leaving it into another. Bacteria can also connect through tiny connection tubes wherein they exchange pieces of DNA. They can take up genetic material from the environment as well. There are actually three ways for bacteria to transfer genes. The first one is called Conjugation, which is the transfer of DNA straight from one cell to another through cell-cell contact. Secondly, bacteria are adept at taking up DNA right from their environment and combining it into their genomes.This process is known as natural Transformation. Lastly, Transduction, wherein DNA is transferred from one cell to another by a virus.

Answer: The correct option is: All of the above.

Sound is a type of pressure wave and as it is a wave, it needs medium to travel. In water, the particles are closer than that in air hence the energy transfer can be faster in water than in air. Sound travels four times faster in water to that compared in air.

In empty space there is absence of air and sound is vibrations travelling through air. There are radio waves and light waves in space but these are not sound and light does not require any medium like air to travel. The light can be seen, radio waves can be interpreted by instruments but sound cannot be heard so there is no sound in space.

The immune and respiratory systems collaborate closely to protect the body from microbes and maintain health. A healthy lifestyle, including not smoking, supports their functionality and defense mechanisms. During infections, the interaction between pathogens and the respiratory system's microbiome can lead to disease.

The immune system and the respiratory system work together to protect the body from pathogens and to maintain overall health. Microbes interact with the respiratory system by residing in various niches such as the nasal cavity, pharynx, and lungs, playing roles in maintaining health and contributing to the body's defense mechanisms. However, during an infection, these microbial communities can become disrupted, leading to disease. Similarly, maintaining a healthy lifestyle with good nutrition, regular exercise, and sufficient rest strengthens the respiratory and immune systems, enhancing their ability to ward off infections and function optimally.

The respiratory system is directly exposed to external stimuli and foreign matter, including various microbes, during the process of inhalation. The mucosal surfaces of the respiratory tract normally host a biofilm of resident microbiota that are essential for homeostatic functions.

Answer: using it for range land

Grassland is an ecosystem which is dominated by grasses as herbs, shrubs and other vegetation. Using grassland for range land can be least harmful as a range land is an area of grassland which is used by domestic or wild herbivores for grazing. The grass used by these animals grows again so there is no major loss to the ecosystem. Plowing it for crops will remove the entire naturally growing vegetation. Developing commercial areas will also remove grasses from grassland and will cause the loss of floral and faunal species. Importing foreign animals to use the grasslands as a habitat will result in drought conditions as grasses may wiped out from these regions.

Answer:

A and D

Explanation:

it is c Object B, by 1 grams per cubic centimeter.

The density of an object is calculated using the formula Density = Mass / Volume. After calculating, it's determined that Object B has a greater density (2.5 g/cm3) compared to Object A (1.5 g/cm3), and the difference between the two is 1 gram per cubic centimeter.

The subject of this question is density, which in physics is calculated by the formula: Density = Mass / Volume. So, let's calculate the density for both Object A and Object B.

1. Object A: Density = Mass / Volume = 12g / 8cm3 = 1.5 g/cm3

2. Object B: Density = Mass / Volume = 20g / 8cm3 = 2.5 g/cm3

Therefore, Object B has a greater density and the difference is 2.5 g/cm3 - 1.5 g/cm3 = 1 g/cm3.

So, the correct answer is: Object B, by 1 gram per cubic centimeter.

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Answer:

the answer is B

Explanation:

just got it right

Answer:

a) The question "Do pumpkins grow bigger when fed milk?" it is already a hypothesis, which means that to apply the scientific method, we should establish an experiment, where we would select a squash squash, feed some with milk and some without milk and wait a certain period of time. After that time, we could move on to the stage of the scientific method called "evaluation of results" where we would evaluate the differences in development and size between the pumpkins that were fed with milk and those that were not. After that we would go to the phase called "conclusion" where based on the comparison of the results we would answer the hypothesis shown above.

b) A scientific question could be "Can bean seeds germinate in sterile soil?"

Explanation:

Scientific method is a set of steps that must be followed when someone wants to prove a hypothesis based on experimental and scientific data. These steps are: visualization of something questionable, formulation of the hypothesis about it, establishment of a scientific experiment to test the hypothesis, evaluation of the results of the experiment and conclusion.

A scientific question is every question that you can perform a scientific experiment to answer it. This scientific experiment is carried out with the steps of the scientific method.

Final answer:

A revolution is one complete trip around an orbit, commonly called a year for planets like Earth. The orbital period is the time it takes to complete one orbit, which is related to the size of the orbit defined by the semimajor axis. Orbital speed varies within the orbit and is an essential part of understanding celestial dynamics.

Explanation:

A revolution is one complete trip around an orbit. This term can be applied to any object that is moving around another object in space, such as a planet, a satellite, or a moon. When discussing the Earth, this revolution is also known as a year, which is the amount of time it takes for the Earth to complete one orbit around the Sun. The concept of an orbital period is directly related to this, and it represents the time duration needed for an object to make a full orbit around another body. Another term associated with orbital movement is the semimajor axis, which in the context of planetary orbits, helps in determining the orbital period due to its relationship with the size of the orbit.

The speed at which this orbital movement occurs is referred to as orbital speed, and this speed changes depending on the part of the orbit the planet is in—specifically whether it is at perihelion (closest to the Sun) or aphelion (farthest from the Sun) for planets, or perigee (closest to Earth) for satellites.

The finches of the same genus had different characteristic on the different islands of the Galapagos. They had different graded beaks sizes and shapes. In some islands, finches had sharp beaks for stabbing their prey. In other islands, the fiches had short stout beaks for grain-eating. This is a case of allopatric speciation where a population of the finches diverged to.adapt to the habitats in the different islands and also claim different niches

There where 3 different variations of the Galapagos Islands. We'll call them flocks X, Y, and Z. All of them eat fruits, seeds, and insects, but they have their own preferences. Flock X has sharp, piercing beaks that good for catching bugs and eating soft fruit, but they will also eat seeds. Flock Y has hard, spoon-like beaks that are good for breaking seeds, but they will also eat insects and fruits. Flock Z has short beaks that are good for catching insects, but will also eat fruits and seeds.