A kite is an example of what

According to Darwin's theory of evolution, species evolve over time through the process of natural selection, where individuals with advantageous traits are more likely to survive and pass on their traits to their offspring.

Over many generations, these small changes can accumulate, leading to the formation of new species.

The finches that live on the Galapagos Islands provide a classic example of how this process works. Darwin observed that different species of finches on the islands had evolved different beak shapes that allowed them to specialize in eating different types of food, such as seeds or insects. This adaptation to their environment was key to their survival and allowed them to successfully reproduce.

In this sense, the finches can be compared to members of a family tree, where each generation passes on traits to the next generation. The variations in beak shape among the finches are analogous to genetic variations that arise in a family tree through the process of genetic recombination and mutation. By studying these variations, we can learn about the evolutionary history of a species and how it has adapted to its environment over time.

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Answer:

On the rabbit.

Explanation:

This question is about the text "The Magician and the Duck". In it, we are introduced to Mr. Pasha, a magician who will perform at Raj's school and uses Raj himself as an assistant.

In one of his tricks Mr. Pash will use a handkerchief and a rabbit. He asks Raj to place the handkerchief on the rabbit, which Raj does quickly.

Answer:

it's true hope it helps

Answer:

yes

Explanation:

because I it has to do with oil and fat

The statement "Prokaryotes regulate only during transcription, while eukaryotes can regulate during any stage of protein synthesis" best describe the difference between gene regulation in prokaryotes and eukaryotes.

In simple terms gene regulation is how cells dictate what genes get expressed within them. It is an integral biological process that enables living organisms' correct formation and function by ensuring efficient gene expression control throughout all stages - from transcription to translation.

What is fascinating about this mechanism is its variability across different organisms allowing for unique adaptations among species.

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What we are seeing in the image is a cut of vascular tissue where we can appreciate the xylem and the phloem, and these have the function to transport water and nutrients into the plant, therefore we can say the correct answer is option C.

Answer:

only eucaryotic have a nucleus and membrane-bound structures called organelles.

Explanation:

Answer: According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.

Explanation: This my first time dont judge me plz

In biology, autotrophs are organisms that can produce their own food using inorganic substances, such as sunlight and carbon dioxide.

Autotrophs  are also known as primary producers because they form the base of the food chain by converting energy from the environment into organic compounds.

The topic of autotrophs is typically covered in the study of plant biology in the context of a class 7 curriculum.

The most prevalent kind of autotrophs are plants. They do this through a process known as photosynthesis, which turns carbon dioxide, water, and sunlight into glucose (a sugar) and oxygen.

Chloroplasts, specialized organelles found in plant cells, are where this process occurs.

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For the Haber process, N2 + 3H2→2NH3,10.0 L is the theoretical volume of ammonia (NH3) should be produced if we start with 5.0L of N2 if STP. Therefore, option C is correct.

In the Haber process, “the atmospheric nitrogen (N2) is changed to ammonia (NH3) by reacting it with hydrogen (H₂)”. A metal catalyst is used and high temperatures and pressures are maintained.

The balanced equation for the reaction is as follows:

N₂(g) + 3H₂(g) ⇾ 2NH₃(g)

From the balanced equation,

1 L of N₂ reacted to produce 2 L of NH₃ at STP

From the above information, we can obtain the volume of ammonia, NH₃ produced from 5.0 L of N₂ at STP. Details below:

From the balanced equation,

1 L of N₂ reacted to produce 2 L of NH₃ at STP

Then,

5.0 L of N₂ will react to produce = 5.0 × 2

= 10.0 L of NH₃ at STP

Thus, option C is correct

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Explanation:

The concepts of phenotype and genotype are related to genetics.

The phenotype is generally called the external appearance of the living thing, which is formed by the genetic information and environmental effects.

Genotype is the genetic information that an organism carries in its DNA.

For example; Character A is the favorite black color. a is the blue color character.

While the Aa display shows the individual with black eyes in the phenotype, the genotype is expressed as heterozygous dominant black eyes.

Answer:

where is the picture?

.............

Although fertilisation takes place, the zygote perishes before birth. is a post-zygotic barrier, not a pre-zygotic barrier to reproduction.

Prezygotic (barriers that inhibit fertilisation) or postzygotic reproductive isolation are both possible. barriers that develop after zygote development, like organisms that pass away while still embryos or are born sterile).

Before fertilization, prezygotic barriers prevent or make it difficult for members of distinct species to mate. These obstacles can include variations in habitats, mating practices, and genitalia. A type of postzygotic barrier known as hybrid zygote abnormality occurs when hybrid zygotes are unable to mature properly.

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Biologists estimate that a young elk given at random has a 44% probability of surviving to adulthood, hence the statement is true.

The trials are carried out with n=7

P=44%=0.44 is the success probability.

Second: Using the provided question as a guide

The following criteria are met by the random variable X:

A. The probability of success, defined as the likelihood of living to adulthood, is now fixed at 0.44.

b. The number of young elk that will be selected is predetermined.

c. Elk calves can survive entirely on their own.

d. There are two possible outcomes: either the young elk grows up and survives, or it does not.

This situation satisfies every requirement for a binomial. We can therefore infer that X follows the binomial distribution.

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Answer:

Its xenon

Explanation:

Xenon is more reactive from zinc.

Xenon is a chemical element with the symbol Xe and atomic number 54. It is a dense, colorless, odorless noble gas found in Earth's atmosphere in trace amounts.

Moreover, xenon (Xe), chemical element, a heavy and extremely rare gas of Group 18 (noble gases) of the periodic table. It was the first noble gas found to form true chemical compounds.

Xenon is used in certain specialized light sources. It produces a beautiful blue glow when excited by an electrical discharge.

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Answer:

all but the last one

Explanation:

NADH is not a product of the light reaction of photosynthesis.

 • The role of NAD+ is that it acts as an electron carrier.

 • NADH is formed from NAD when it oxidizes the compound by accepting electrons and adding hydrogen ions to the compound.

What do NADH mean?

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Explanation:

The flexibility of spider silk determined by the structure of its molecules is quite strong.

The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.

The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.

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They provide a buffer against storms between the mainland and the sea.

Estuaries are places that lie in between the mainland and the sea. An estuary serves as a point where salt water mixes with fresh water.

It is necessary to protect an estuary because they are very important in the ecosystem. They provide a buffer against storms between the mainland and the sea.

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They provide a buffer against storms between the mainland and the sea.

They collect nutrients that would otherwise be washed out to sea.

They serve as homes for shellfish and other wildlife. I'm pretty sure those are the answers, hopefully it helps!

1.Hydrophobic molecules do not readily dissolve in the water in part because water molecules involved in hydration cannot participate in the normal hydrogen bonding with one another. 3.Tendency of water to minimize contact with nonpolar substances is called as hydrophobic effect. 4.Amphipathic lipids are structural basis of biological bilayer membranes.

Hydrophobic means “the fear of water”. Hydrophobic molecules and surfaces repel water and hydrophobic liquids, such as oil, will separate from water. Hydrophobic molecules are nonpolar meaning the atoms that make molecule do not produce static electric field.

Hydrophobic substances are made of non-polar molecules that repel bodies of water and attract other neutral molecules and non-polar solvents.

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Answer:

A

Explanation:

He discovered them in 1868. I hope this helps:)

Friedrich Meischer, a Swiss physician and biologist, is credited with the discovery of nucleic acids. The correct option is A.

What is Nucleic acid?

In the late 1860s, Meischer was conducting experiments on white blood cells (leukocytes) and noticed that these cells contained a substance that was different from proteins.

He isolated this substance, which he called "nuclein," from the nuclei of white blood cells.

Meischer's discovery laid the foundation for our understanding of nucleic acids.

Thus, the correct option is A.

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Answer:

Pistil

Explanation:

The statement best describing a reliable source of information is:A source that follows the scientific method.

A reliable source of information is one that follows the scientific method. The scientific method is a systematic approach to investigating phenomena, which involves formulating a hypothesis, conducting experiments or observations, collecting data, and drawing conclusions based on evidence. By adhering to the scientific method, a source ensures that its information is based on rigorous and objective analysis.

A reliable source of information focuses on providing evidence to support its claims rather than relying on opinions. It presents data, facts, and research findings obtained through scientific studies or credible sources. This evidence-based approach adds credibility to the information presented and allows readers to evaluate the validity of the claims.

On the other hand, a source that includes opinions to support a claim may lack objectivity and can introduce bias into the information. Opinions alone do not necessarily provide a reliable basis for making informed judgments or decisions.

A reliable source also avoids the use of pseudoscience to gather evidence. Pseudoscience refers to claims or practices that are presented as scientific but lack the rigorous scientific methods and evidence required for validation. Such sources often promote ideas that are not supported by credible scientific research and can mislead readers.

In summary, a reliable source of information is one that follows the scientific method, presents evidence to support claims, avoids relying solely on opinions, and does not use pseudoscience to gather evidence. By adhering to these principles, a source can provide trustworthy and accurate information to its audience.

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Answer:

basic

Explanation:

ph value 9 base is ph value is 9and 20

Density-dependet:

1. Plant biomass

2. Parasitism

Density-independent:

1. Climactic change

2. Drought

3. Environment pollution

Density-dependent factors refer to those that regulate the growth of a population which depends on its density. On the other hand, density-independent factors refer to those that regulate population growth without relying on its density. Density-dependent often includes biotic factors, while density-independent are often involved abiotic factors.

Answer:

it can't be used to make a protein in that cell.

Explanation:

If a gene is not transcribed in a cell, it can't be used to make a protein in that cell. If a gene does get transcribed, it is likely going to be used to make a protein (expressed). In general, the more a gene is transcribed, the more protein that will be made.

The transcription is affected as when the gene has not been transcribed the protein will not make. When a gene is transcribed, protein synthesis can happen.

Gene expression begins with transcription. To create an RNA molecule, the DNA sequence of a gene must be copied. RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription (using a DNA strand as a template).

A gene cannot be used to produce a protein in a cell if it is not transcribed there. If a gene gets transcribed, it will probably be used to produce a protein (expressed). In general, more protein will be produced the more a gene is transcribed.

Therefore, the transcription is impacted since the protein cannot be produced if the gene is not transcribed. Protein synthesis can take place when a gene is transcribed.

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The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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