It is estimated by a wide body of scientists that in recent decades we have begun another mass extinction event on Earth. Amphibians in particular have been in decline,sometimes due to climate change,and they therefore provide a possible early sign of dramatic biodiversity change to come. With respect to climate change and natural selection acting upon a population of one species of frog in a tropical rain forest,mutations of DNA sequences of the frog genome that are inherited by offspring A) could either be beneficial or harmful. B) will primarily be harmful. C) may have no effect at all,be beneficial,or be harmful. D) will only speed the decline and extinction of the species

Answer: The scientific name is called POPULATION.

Explanation:

In basic ecological studies, POPULATION is defined as a group of interacting individual of the same type or species, living in the same area or habitat and at the same time.

Furthermore, to study a population of organisms, the different characteristics seen include:

--> Population size: This is important as it affects the survival of a given species in a habitat. A small population may be easily wiped out by events such a fire but a large population stands a better chance of survival.

--> Population frequency: This is simply how often the species occurs at different sites in a habitat.

--> Population density: this is the average number of individuals of a species per unit area of the habitat.

--> Percentage cover: This is the area of ground occupied by a given species in its habitat.

--> Distribution: This is the way in which individuals of a particular population are arranged in a habitat. They may be clumped, evenly spaced or randomly spaced.

The specificity of exposure is most likely to be true in diseases that are directly caused by a single specific agent or factor, such as infectious diseases caused by a particular pathogen or cancers caused by exposure to a specific carcinogen.

In these types of diseases, there is a clear and specific link between the exposure and the disease outcome, making it easier to determine causality and identify preventive measures.

Specificity of exposure is most likely to be true in infectious diseases. In infectious diseases, a specific pathogen (bacteria, virus, or other microorganism) causes the illness, and exposure to that specific pathogen leads to the development of the disease. This makes it more likely for the specificity of exposure to be true, as the causal relationship between the pathogen and the disease is well-defined and direct.

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Riboviruses are RNA viruses that infect human cells, and they replicate by utilizing the host cell machinery to synthesize their proteins.

Riboviruses are classified into numerous types, including coronavirus, rhinovirus, and norovirus, among others.

Riboviruses infect human cells, causing a variety of diseases, including the common cold, severe acute respiratory syndrome (SARS), and COVID-19.

Once a ribovirus infects a human cell, it begins to multiply by exploiting the host cell's resources to generate viral proteins, resulting in the degradation of cellular function and the eventual destruction of the host cell.Riboviruses have a genetic material consisting of RNA, which is the genetic material that specifies the production of proteins in the virus.

The ribovirus will take over the host cell's genetic machinery to generate viral proteins, resulting in the host cell's disruption and eventual death.

The ribovirus, like many viruses, may modify the host cell's immune response, making it easier for the virus to replicate and cause significant harm to the host. In some cases, the host may be unable to mount an immune response, resulting in the virus persisting in the host and causing long-term harm in severe cases.

Therefore, a human cell infected with a ribovirus will be affected in a variety of ways, including the degradation of cellular function, cellular destruction, and the modification of the host cell's immune response, all of which lead to a variety of diseases.

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Answer:

a. When the foot rolls OUTWARD

Explanation: is correct

Answer: Somatic

Explanation:

Answer:

proteins

including, fibroblasts, lymphocytes, macrophage, etc

Answer:

Apheresis

Explanation:

hopes this helps

Answer:

apheresis

Explanation:

Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells.

Apheresis is a procedure in which blood is collected, part of the blood such as platelets or white blood cells is taken out, and the rest of the blood is returned to the donor.

Answer:

Validity refers to the degree to which a method assesses what it claims or intends to assess.

Explanation:

answer:The vishnu schist is oldest that is 1.7 billion years old and the redwall schist is youngest. Explanation: The Vishnu schist is the uncovered rocks of the grand canyon vicinity they're formed on the basement location that underlines the bottom limestone. Which are accompanied by way of the Zoroaster granite which is an igneous-plutonic rocks intrusion and became later metamorphosed

Explanation:

Garstang's Auricularia hypothesis suggests that ancestral vertebrates may have evolved from urochordate larvae.

What is Garstang's Auricularia?

The auricularia hypothesis, proposed by Garstang was an attempt to explain how the chordate body plan originated from a deuterostome common ancestor by emphasizing the significance of changes in larval forms. According to the Garstang Hypothesis, development of sexual maturity in a non-metamorphosing lineage of tunicates might provide the immediate proto-chordate ancestors of more typical chordates.

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Answer:

Insulin, a hormone your pancreas makes, is the most significant contributor to maintaining healthy blood sugar.

Explanation:

Answer:

my name is mister nisegy ok

Explanation:

Lichens are organisms formed from the association between algae and fungi.

It is a harmonious relationship that benefits both organisms involved.

The types of lichens are:

• Crustose lichens: resemble crusts;

• Foliose lichen: has structures that resemble small leaves;

• Fruticose lichen: its structure resembles bushes.

These types of fungi have some morphological differences. Analyzing the exercise we have that:

• A: Crustose lichens

• B: Foliose lichen;

• C: Fruticose lichen.

The answer is a. $945. To calculate the sales tax amount, you need to multiply the total receipts by the sales tax rate (as a decimal). So, $18,900 x 0.05 = $945. Even though John Dorian Co. does not ring up sales taxes separately, they still need to remit the appropriate amount to the state based on their total receipts.

Sales refer to the exchange of goods or services for money or other forms of consideration. It represents the revenue generated by a business or organization through the sale of its products or services. Sales play a crucial role in the overall success and profitability of a company, as they directly impact its financial performance. Sales activities typically involve prospecting, lead generation, customer acquisition, negotiations, and closing deals. Effective sales strategies often focus on understanding customer needs, building relationships, demonstrating value, and providing excellent customer service. Sales can occur through various channels, such as direct sales, e-commerce platforms, retail stores, or business-to-business (B2B) transactions. Analyzing sales data and trends is important for evaluating performance, identifying opportunities, and making informed business decisions.

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It would be challenging to duplicate the precise circumstances of the chemical release elsewhere.

Sea otters decrease heat loss by floating on their backs with their feet out of the water when the water is too chilly. The sea otter extends its feet out underwater to increase its surface area while it is seeking to shed heat. Sea otters frequently extend their feet out or tuck them up to conserve body heat.

River otters take oxygen from the air, just like other animals do. In the event that they are submerged, they surface to breathe. In the winter, when the water is frozen into ice, they create holes so they may rise to the surface to breathe.

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The plants exhibit multiple drought responses and it can be concluded that the molecules responsible for these responses are modified by the changes in moisture.

It is usually observed that plants happen to evolve certain mechanisms in order to respond as well as adapt properly to drought stress conditions in arid climates by adopting some internal as well as external changes in their features.

Since, the plant happens to exhibit multiple drought responses then the molecules in the plant which are responsible for these responses must be getting modified due to the changes in the moisture as the impact of moisture is very significant in arid climates.

--The given question is incomplete, the complete question is

"you are part of a desert plant research team trying to discover crops that will be productive in arid climates. you discover a plant that exhibits multiple drought responses. what can you conclude about the molecules responsible for these responses?

They alter the amount of energy available to the plant.

They respond to air temperature changes.

They can reset the biological clock.

They are modified by changes in moisture."--

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Answer:

Great impact.

Explanation:

There is a great impact of development planning for economic development for a country because this development planning is important for the growth of economy of the country. Without planning, goals of better economy can not be accomplished. A country should go for short term plan in order to solve the economic problem at that time while on the other hand, medium and long term plan is used by the country in order to solve the economic problem completely.

Answer:

1. B

2. I think number 2 is A?

Explanation:

Correct me if I'm wrong

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The statement which is true about Light-independent reactions is as follows:

Thus, the correct option for this question is B.

The environmental condition that is most likely to result in the highest rates of photosynthesis is the presence of low light intensity. Thus, the correct option for this question is A. This is because, at high temperatures, the plant increases the rate of transpiration due to which plant cells close their stomata.

Photosynthesis may be defined as a type of process through which green plants and some photosynthetic algae synthesizes their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.

The light-independent reactions of photosynthesis occur in the stroma of the chloroplast in the presence of light itself. Rubisco is involved in this type of reaction. The Final product of this reaction is the production of carbohydrates. It also involves the fixation or reduction or assimilation of Carbon dioxide.

Therefore, both the given questions are well-described above.

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Answer:

Nitric oxide is found in supplements but if you want it naturally it comes in red meat,poultry,fish, and dairy such as milk cheese and etc. I hope this answers your question.

This is because mitochondria produce ATP during aerobic respiration and ATP is needed for muscle to contract. Muscles cells contain more mitochondria because they have to release large amount of energy quickly for movement.

Answer:

either erosion or weathering but weathering is what causes erosion so I would just say erosion lol

Explanation:

i hope that helped

During a strong storm, erosion can change the makeup of a piece of land by moving key nutrients and minerals.

As the storm's heavy rains and winds erode the soil, they can carry away important nutrients and minerals, leaving the land less fertile and nutrient-rich. In some cases, erosion can even alter the physical shape of the land, leading to landslides and other geological events.

However, erosion can also have some positive effects, such as creating new habitats and exposing new layers of soil that can be used for farming or other purposes.

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When working with a bacteria that has a growth time of 10 minutes, it means that the bacteria can double after every 10 minutes.

During the logarithmic phase, the bacteria multiply exponentially, meaning they undergo multiple rounds of cell division.

To find out the number of bacterial cells you will have after 30 minutes of logarithmic growth, you can use the formula below :Nt = N0 × 2^(t/)Where Nt is the final number of bacterial cells, N0 is the initial number of bacterial cells, t is the time elapsed, and is the time it takes for the bacteria to double (which in this case is 10 minutes).Plugging in the values, we have:Nt = N0 × 2^(t/) Nt = 1 × 2^(30/10)Nt = 1 × 2^3Nt = 1 × 8Nt = 8Therefore, after 30 minutes of logarithmic growth, you will have 8 bacterial cells.

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Answer: Commensalism

Explanation: Commensalism is a type of symbiotic relationship where one organism benefits and the other is not harmed nor helped.

The correct order of structures in the nervous system pathway to hearing is that axons project to the auditory cortex.

Inferior colliculus neurons send their axons to the medial geniculate nucleus (MGN) of the thalamus, which in turn projects to the auditory cortex.

The cochlear nerve passes through the internal acoustic meatus in the temporal bone and enters the brainstem in the upper part of the medulla, at its junction with the pons, next to the facial nerve (VII), in the region of the cerebellopontine angle.

Temporal Lobe: located near the ear, it is responsible for the perception of hearing, enabling the analysis of sounds. In addition, it functions as a processor of memory and emotions.

With this information, we can conclude that We hear when sound waves travel through the air to our eardrum and then through the middle ear to our inner ear and from there finally to the auditory centers of our brain. Our ears are always active, continually transporting sounds along this auditory pathway.

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Scanning electron microscope (SEM) can be used to study the details of protein molecules present on the surface of a cell. These give a three-dimensional structure of the molecules. Thus, the correct option is A.

Scanning electron microscope (SEM) is a type of electron microscope, designed to directly study the surfaces of solid objects, that utilizes a beam of focused electrons of relatively low energy is scanned in a regular manner over the specimen to be observed.

Scanning electron microscopes use an electron beam to study samples with a resolution. The electrons are emitted from a filament and collect into a beam in the electron source. The beam is focused on the sample by a set of lenses in the column.

Therefore, the correct option is A.

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Your question is incomplete, most probably the complete question will be:

To study the details of protein molecules on the surface of a cell a biologist would most likely use a:

a. scanning electron microscope

b. transmission electron microscope

c. compound light microscope

d. dissecting microscope

The third option i the correct one: "if the heart rate is above target zone, move to a less cardio-intensive activity". The other options tend to surpass heart target zone as they imply more effort. While the third, suggest to slow motion, without being completely static, in order to allow the heart rate to return to the target zone.