En el texto la palabra "fotones" se podría reemplazar con A. "neutrones". B. "fonones". C. "ondas mecánicas". D. "cuantos de energía".

Respondent  behaviour is controlled by Antecebehaviourdent stimuli and operant behaviour is controlled by consequences .

The action that are prompted by earlier stimuli and unaffected by their effects are known as respondent behaviours. Examples include drooling while the smell of meals is cooking being alarmed While watching a  scary movie,and blushing when informed that your blouse or fly is undone.

Respondent behaviour are elicited by stimuli and apparently occur automatically in the presence of these stimuli. They  are elicited by Antecedent stimuli.

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Orthologs are genes that share a common ancestry and have been retained in different species through the process of speciation. When a population of organisms diverges into separate species over time, their genes also undergo changes. However, some genes are conserved and maintain their function and sequence across species.

In the case of the BRCA1 gene, it is known to play a crucial role in suppressing the development of breast and ovarian cancers. This gene has been identified and studied in various organisms, including humans, mice, and gorillas. Despite millions of years of evolutionary divergence, the BRCA1 gene has remained highly conserved in these species.

The reason for the high sequence similarity of the BRCA1 gene across humans, mice, and gorillas is that they inherited this gene from a common ancestor. As species diverged from a shared evolutionary history, their genes underwent genetic drift and selective pressures, leading to variations. However, certain genes, including BRCA1, have been preserved and maintained due to their essential functions.

The conservation of the BRCA1 gene across species demonstrates its importance in maintaining genetic integrity and preventing the development of certain cancers. By studying the similarities and differences in the BRCA1 gene among different organisms, scientists can gain insights into its function, regulation, and potential variations that may impact disease susceptibility.

In summary, the BRCA1 genes in humans, mice, and gorillas are considered orthologs because they share a common ancestry and have retained similar functions and sequences throughout evolutionary history.

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Answer:

Most nonrenewable resources are formed from organic carbon material which is heated and compressed over time, changing their form into crude oil or natural gas. The term nonrenewable resource also refers to minerals and metals from the earth, such as gold, silver, and iron.

The combination of genotype and environmental factors leads to the creation of an individual's phenotype.

A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the genome. It can be represented by symbols. For example, BB, Bb, bb could be used to represent a given variant in a gene.

In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes.

In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.

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The answers to the questions are as follows:

Question 1:

Response: B speciation

Question 2:

Response: A gene flow

Question 3:

Response: B speciation by geographic isolation

Geographic isolation plays a significant role in shaping the evolution of species. Let's address each question individually:

Question 1:

Geographic isolation may result in:

Response: B speciation

Geographic isolation refers to the physical separation of populations of organisms due to geographical barriers such as mountains, rivers, or islands. When populations become isolated from each other, they experience different environmental conditions and selective pressures. Over time, these distinct environments can lead to genetic and phenotypic differences between the isolated populations. This divergence in characteristics can eventually result in the formation of new species, a process known as speciation. Therefore, option B, speciation, is the correct response.

Question 2:

Geographic isolation causes a reduction in ____, eventually resulting in dissimilarities in a once-similar population of organisms.

Response: A gene flow

Geographic isolation restricts or limits the movement of individuals between different populations. This restriction reduces the gene flow, which is the transfer of genetic material between populations. Gene flow is an important mechanism for maintaining genetic diversity and homogeneity within a population. When gene flow is reduced, isolated populations experience different genetic changes and accumulate genetic variations independently. Over time, these genetic differences can lead to dissimilarities in once-similar populations.

Question 3:

Allopatric speciation is another name for:

Response: B speciation by geographic isolation.

Allopatric speciation refers to the process of speciation that occurs when populations are geographically isolated from each other. The term "allopatric" means "different homeland." In this form of speciation, the physical separation of populations by a geographical barrier prevents gene flow between them. As a result, the isolated populations undergo independent evolutionary changes, leading to the formation of new species. Therefore, option B, speciation by geographic isolation, is the correct response.

In summary, geographic isolation can lead to speciation (Question 1), it reduces gene flow (Question 2), and the process of speciation by geographic isolation is known as allopatric speciation (Question 3).

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Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere best describes acid rain is a secondary pollutant.

Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere, Primary pollutant is the term best describes acid rain.

What is meant by Primary pollutant?

An air pollutant released directly from a source is referred to as a primary pollutant.

Examples of primary pollutants are particulate matter, carbon monoxide (CO), nitrogen oxides (NOX), sulfur dioxide (SO2), and carbon dioxide (CO) (PM).

Pollutants can be divided into three categories from an ecological standpoint: degradable, slowly degradable, and non-degradable.

The term "primary pollutant" best describes acid rain, which is eventually brought on by sulfur dioxide emissions from power plants.

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Answer:

D. All of the fish, bacteria, and mammals that live in a lake (i think)

Answer:

toxic substances become attached to sediments (sand or mud) that flow down rivers and get deposited in estuaries.

Answer:

Because cholera bacteria rapidly multiplies in areas with improper sanitation and untreated water that people can drink.

When people drink this water, they get severe diarrhoea.

Answer:

trachea

Explanation:

Answer: trachea

Explanation:

The trachea is an essential tube connecting the larynx to the bronchi of the lungs and allowing air to be carried to and from the lungs. It is commonly known as the windpipe and about four inches long and less than an inch in diameter.

Eukaryotic mrna molecules may contain non-coding sequences that must be removed before translation. these are called introns

Introns are removed from the pre-mRNA before the mRNA is exported to the cytoplasm

Non coding DNA sequence are components of an organisms DNA that do not encode protein sequences. Some non coding DNA is transcribed into functional non coding RNA molecules.

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Answer:

Hey there!

This can be explained using the conservation of angular momentum, which the planets get attracted to the sun because of its large size, and massive gravitational pull.

Let me know if this helps, or if you need a further explanation :)

The cause of the phenomenon leading to the clockwise movement of the planets in the same direction would be:

- 'Conservation of Angular Momentum'

The various planets and asteroids present in the solar system function in the same path and direction.

The key reason behind this is the 'angular momentum' which leads them to rotate in a linear manner.

The conservation of this constant angular momentum allows these bodies to conserve the very same path along with direction due to their size and gravitational energy.

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Answer:

Yes they are because they have similar properties but they are different shapes.

Explanation:

Magnesium’s major functions in the body include all of the following except blood clotting. Magnesium plays a vital role in many biological processes in the body.

It is essential for maintaining strong bones and healthy muscle function, as well as for the transmission of nerve impulses, maintaining a healthy immune system, and regulating heart rhythm.Magnesium is also a cofactor for many enzymes and plays a crucial role in stabilizing ATP, the energy currency of the body. However, magnesium does not play a role in blood clotting. Blood clotting is a complex process involving different proteins and platelets.

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Answer:

14.The relationship between photosynthesis and cellular respiration is such that the products of one system are the reactants of the other. Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.  To emphasize this point even more, the equation for photosynthesis is the opposite of cellular respiration.

15.photosynthesis:grass celluar:cricket moths,plants,owl

Explanation:

Answer:

Photosynthesis creates glucose, and cellular respiration creates carbon dioxide.

Explanation:

grass,and oak tree perform photosynthesis, and cricket,moth,and owl perform cellular respiration.

hope this helps! :)

The correct answer choice from the statement above is:

Homeostasis is the the maintenance of a steady internal environment of an organisms.

Option B is the correct answer

Hormones are chemical messengers or substances which are produced by the endocrine glands and released to the sites of action where they are needed.

Below are few examples of some hormones which also help in homeostasis:

So therefore, the correct answer choice from the statement above is:

Homeostasis is the the maintenance of a steady internal environment of an organisms

Complete question:

Which of the following statements best describes homeostasis. Simply put a b or c its not that hard

a. Homeostasis is regulation of external environment

b. Homeostasis is the maintenance of a steady international environment of an organisms

c. Homeostasis is movement of molecules from a region of higher concentration to a region of lower concentration

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Answer:

A line graph would be best to display the data.

Answer:

Line graph im pretty sure!! <3

Explanation:

The ribosome is a complex cellular structure composed of proteins and RNA, which functions in protein synthesis. Its structure aids in its function by providing distinct sites for mRNA binding, tRNA attachment, and peptide bond formation. The three types of RNA involved in ribosome structure and function are ribosomal RNA (rRNA), messenger RNA (mRNA), and transfer RNA (tRNA).

The ribosome consists of two subunits, the large and small subunits, which work together to carry out translation. The small subunit reads the mRNA sequence, while the large subunit catalyzes the formation of peptide bonds between the amino acids to form a polypeptide chain.

The structure of the ribosome aids in its function by providing specific binding sites for tRNA molecules and mRNA sequences, as well as active sites for catalyzing peptide bond formation. The ribosome also undergoes conformational changes during translation to ensure accuracy and efficiency in protein synthesis.

There are three types of RNA involved in the structure or function of the ribosome: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). mRNA carries the genetic information from DNA to the ribosome, while tRNA brings specific amino acids to the ribosome. rRNA makes up the bulk of the ribosome and provides the catalytic activity for peptide bond formation.
In summary, the ribosome is a complex molecular machine composed of RNA and protein that serves as the site of protein synthesis in cells. Its structure aids in its function by providing specific binding sites for RNA and active sites for catalyzing peptide bond formation. The three types of RNA involved in the structure or function of the ribosome are mRNA, tRNA, and rRNA.

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Exocrine glands secrete their product by way of a duct directly onto an epithelial surface.

Sweat, tears, saliva, milk, and digestive secretions are all secreted by exocrine glands. A group of cells that collaborate to produce and secrete these compounds is known as a gland. Your body's various organs all have exocrine glands. They serve a number of purposes. Exocrine glands release their materials onto the surfaces of your body through ducts. Endocrine glands, on the other hand, discharge their chemicals right into your blood. Exocrine glands distribute substances onto the surfaces of your body through openings called ducts. Endocrine glands are referred to as ductless glands. Your endocrine system is made up of endocrine glands, which secrete hormones. The pituitary gland, thyroid, and adrenal glands are a few examples of endocrine glands.

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The survivors were likely collected from the light gray areas on the map those from other regions could not adapt. That is option B

There are some organisms such as plants and animals that are capable of changing and adjusting to different environmental conditions.

Aquatic animals such as jellyfish can adapt to warmer ocean waters, but not necessarily to extreme heat or extreme cold weather. That is, it can survive the temperature of 12 - 24°C as indicated in the figure.

But some species of jellyfish that has adapted in extreme cold and extreme hot weather, may find it difficult to abruptly adapt to an average weather.

Therefore when placed in the 20°C aquarium, they couldn't survive because of the temperature of the new environment.

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Answer:

The answer is A

Explanation:

They both have DNA

The seed analysis test is a study that helps to determine the ancestors of the seeds by performing the genome analysis of the seeds. In this way, the origin and historical development of the seed is determined. With today's biotechnology, it is ensured that the old conditions of the deteriorated seed structures are preserved. For this purpose, seed gene banks were established. In this way, the continuity of organic nutrients is ensured.

The following statement concerning tetanus is not true is its only source is from deep puncture wounds from rusty nails, option A.

The bacterial infection known as tetanus, or lockjaw, is brought on by Clostridium tetani and is characterized by muscle spasms. In the most well-known type, the fits start in the jaw, and afterward progress to the remainder of the body. The typical duration of each spasm is a few minutes. Fits happen habitually for three to four weeks. A few fits might be sufficiently serious to break bones.

Different side effects of lockjaw might incorporate fever, perspiring, cerebral pain, inconvenience gulping, hypertension, and a quick pulse. Typically, symptoms begin three to 21 days after infection. Recuperation might require months, yet around 10% of cases end up being fatal.

C. tetani is ordinarily tracked down in soil, spit, residue, and compost. The bacteria typically enter through a skin break, such as a cut or puncture wound caused by a contaminated object. They produce toxins that disrupt normal muscle contractions. The presenting signs and symptoms serve as the basis for making a diagnosis. The illness doesn't spread between individuals.

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Answer:

white blood cells protect the human being against disease causing micro-organisms

An archaeologist graduate student discovered a large animal's leg bone with a carbon-14 decay rate of 14.8 disintegrations per minute per gram of carbon while living organisms have a decay rate of 15.3 disintegrations per minute. The leg bone is approximately 853 years old.

To determine the age of the bone, we'll use the half-life of carbon-14, which is 5730 years. The decay rate of the bone can be represented as a percentage of the decay rate of living organisms:
Decay rate percentage = (14.8 / 15.3) * 100 ≈ 96.73%
Now, we'll use the half-life formula:  N = N0 * (1/2)^(t / T)

Where N is the current decay rate percentage, N0 is the initial decay rate (100% for a living organism), t is the age of the sample, and T is the half-life of carbon-14. Rearrange the formula to solve for t:
t = T * (log(N / N0) / log(1/2))
Substitute the values:
t = 5730 * (log(96.73 / 100) / log(1/2))
t ≈ 853.32 years

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Answer:

1D  2G  3A  4B  5C  6F  7E

Explanation:

Im sorry if this is wrong. I tried :')

Answer:

C. It can help conserve Earth's soil and water while increasing soil fertility.

Explanation:

"Tilling increases soil erosion and reduces the amount of water that can be absorbed by the soil. This means tilling causes soil and water to be lost to the environment. As a result, farmers have to use more of these resources. No-till farming prevents these losses, so no-till farming can help conserve Earth's soil and water.

Tilling can also make the soil less fertile by removing some microbes and earthworms. No-till farming helps the soil keep the microbes and animals it needs to be productive. So, no-till farming also increases soil fertility."

-Study Island