will give brainlist, questions

1. Which branch-like extensions carry nerve signals toward the cell body, and there are usually many of them in each cell?

dendrites
nerves
hormones
axons

2. What are all over the body, make up the nervous system, and send messages to the brain?

axons
hormones
dendrites
nerve cells

I think the answer is c, because in a city, there is very little natural shade like trees. also, asphalt creates more heat when the sun is directly on it.

Answer: Option C

Explanation:

The heat from the sun is absorbed by the trees and the cooling of the places takes place because of the trees in the area.

But due to the development of the cities there are a lot of building and infrastructure which does not allows the heat to escape and makes the area more hot.

The radiations from the sun is not allowed to escape and due to this the area becomes more heated.

Artificial selection is when people select the traits that they want the organism to have like crossing two breeds of dogs

Answer:

To fight disease

Explanation:

A function of the human immune system to fight disease

The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins.

Information. The immune system protects the body from possibly harmful substances by recognizing and responding to antigens.

Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria

The acquired immune system, with help from the innate system, makes special proteins (called antibodies) to protect your body from a specific invader

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And example of genetic engineering would be see golden rice enriched with vitamin A this is a genetically modified food and it would be helpful for people in poor countries who are vitamin a deficient

Answer:

A. The more glucose absorbed, the more insulin is secreted.

Explanation:

Glucose is broken down molecules in our food. Insulin is what is produced in response to the glucose molecules, so the more glucose, the more insulin and vice versa. The graph also proves this.

I hope this helps!

Insulin is the hormone that helps to regulate the blood glucose level in human beings. Here, in the given graph, high glucose level causes release of more insulin, i.e., option A.

Glucose is a carbohydrate that is essential to generate energy in the body in the form of ATP.

High or low level of glucose can result in diabetes, hence it is essential to release insulin to regulate it.

In the given graph, it is showing the same thing that high glucose level causes release of more insulin.

Thus, the correct option is A.

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Answer: They can mate and produce offspring that can mate.

Explanation:

Answer:

Bacterial genes are organized into clusters of coregulated genes, that are regulated such that they are all turned on or off together.

(hope this helps)

Answer:

Bacteria can adapt to environmental changes thanks to their effective mechanism for regulating gene expression, that is, mechanisms that bacteria have effective mechanisms to control which genes are expressed and at what levels. Bacteria have specific regulatory molecules that control whether a particular gene will be transcribed into the mRNA. These molecules act by binding to DNA near the gene and help or block the transcription enzyme, RNA polymerase. Operons are very important in bacteria because operons allow the cell to efficiently express the groups of genes whose products are needed at the same time.

Answer:

C. B cells produce antibodies specific to the flu virus.

Explanation:

Answer:

C. B cell produce antibodies specific to the flu virus.

Explanation:

Have a nice day. :)

Answer:

>>>steady nutrient supply

>>>>ample sunlight

Explanation:

The neritic zone lies in the continental shelf and it extends from the surface to about a depth of 200m. Below the neritic zone is the bathyal zone.

The neritic zone is a shallow zone of water. It is sunlit and it receives ample solar insolation all year round. The salinity of this zone is very stable. This makes for organims to thrive. The neritic zone is home to diverse aquatic life. Due to the ample sunlight available here, photosynthetic rate is very high.

Due to high insolation in this region of the ocean, surface temperature is very high. The deeper we move in the ocean, the colder the water body becomes.

Answer:

THE ANSWER IS B &E

Explanation:

Answer:

Messenger RNA: Encodes amino acid sequence of a polypeptide. tRNA - Transfer RNA: Brings amino acids to ribosomes during translation. rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.

Explanation:

Answer:

The three types of RNA are: messenger RNA, carrier RNA and ribosomal RNA.

Explanation:

Messenger RNA (mRNA): it is the type of RNA that presents itself in a smaller amount in a cell, constituting about 5% to 10% of all cellular RNA. It is translated into the protein synthesis process, and is therefore the one that encodes proteins. It has sequences of nitrogenous bases that determine which amino acids will be used to form a given protein. It is a very heterogeneous class of RNA.

Transporter RNA (tRNA): This RNA is responsible for making the codon and amino acid link. In summary, we can say that tRNA works as an adapter between mRNA and the amino acids that will constitute a protein. The tRNA is small and has a structure similar to that of a clover leaf that has four arms. Two of these arms are of great importance for this RNA to perform its functions: the amino acid arm and the anticodon arm. The amino acid arm binds to a specific amino acid, and the anticodon arm has a complementary sequence to the mRNA codon. The other two arms are important for maintaining the structure of this RNA molecule.

Ribosomal or ribosomal RNA (rRNA): composes the structure of the ribosome, an organelle that is the site of protein synthesis. Each ribosome is made up of two subunits and each of these subunits is made up of about three rRNA molecules and several associated proteins. It is estimated that this type of RNA represents approximately 80% of the total RNA in a cell.

Answer:

B. Two different sperm both fertilizing the same egg

Explanation:

Two different sperm both fertilizing the same egg

Answer: B. Two different sperm both fertilizing the same egg.

Explanation:

Fertilization is a process which involves the fusion of haploid gametes such as a sperm from male and an egg from female to develop a diploid zygote either inside the body of female mate (internal fertilization) or outside the body of female mate (external fertilization).

B. Two different sperm both fertilization the same egg. is the correct option. As only one sperm can fertilize the egg. The sperm brings changes in the external membrane of the egg which prevents the fusion with other sperm.

The kingdom Monera in the old classification system included all bacteria. In the current classification system, prokaryotes are divided into two kingdoms: Bacteria and Archaea.

In the old classification system, the kingdom Monera included all bacteria. However, in the current classification system, prokaryotes are divided into two kingdoms: Bacteria and Archaea. Bacteria is the kingdom that encompasses the majority of prokaryotic organisms, while Archaea represents a separate group of prokaryotes that are often found in extreme environments.

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Answer:

Autotrophs

Explanation:

The bacteria living near hydrothermal vents use chemicals and heat to create their own food, which classifies them as Autotrophs - organisms that can produce their own food.

The bacteria that live near hydrothermal vents at the bottom of the ocean use chemicals and heat in the water to synthesize their own food. This process called chemosynthesis is a way of converting inorganic substances into organic matter. This feature classifies them as Autotrophs. Autotrophs are capable of producing their own food, unlike heterotrophs, which rely on consuming other organisms for their nutritional needs.

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Answer:

Diffusion

Explanation:

Diffusion is the homeostasis of solvents

Answer:

Diffusion (a passive transport)

Explanation:

Diffusion refers to the passive movement of substances from the region of higher concentration to that of lower concentration. Uniform distribution of solvent throughout the solution occurs when molecules of solvents diffuse in all directions to equalize their distribution in the solution. Since it does not need the input of energy, diffusion is a type of passive transport.

it attaches to hemoglobin molecules in red blood cells and travels with the blood. It then detaches from it and enters muscle cells.

Answer:Heavy precipitation Rain forest and savannas Warm temperature.

Explanation:

Tropical rainy climates have hot temperatures, heavy precipitation, and support rainforests and savannas, unlike temperate marine climates ,option C, D and E are correct.

Hot temperatures, heavy precipitation, and the presence of rainforests and savannas are features of tropical rainy climates that temperate marine climates do not have.

Tropical rainy climates, found near the equator, have warm temperatures year-round and high rainfall, often exceeding 100 inches annually. These climates support dense vegetation like rainforests and grasslands such as savannas.

In contrast, temperate marine climates, typically found in coastal regions, have mild winters, cool summers, and moderate precipitation. They often support evergreen trees like conifers.

Very often the critics of the idea that there's life on other planets tend to argue that in order for the life to develop there has to be certain right conditions, like water, temperature that is not extreme, oxygen etc. But with the greater examinations of the most extreme places on the planet, it has been shown and proved that life can exist in places that were never thought it is possible, in fact, the only places on the planet where there's no life is inside the volcanoes. Organisms have been discovered that live at places where there's no oxygen, deep bellow the ice, at temperatures that are significantly higher than those on the surface of Earth, or at places where there's no water. This proves and supports the idea that life is able to find its way to survive in incredibly cruel environments, so there's no reason why it would not be able to develop on other planets or moons in the universe.

the glaciers will melt causing the ocean levels to rise immensly

Explanation:

Answer:

The water cycle would be affected by global warming's hotter temperature. There'd be increased precipitation causing floods and dryer land areas in different parts of the world.

I believe it was the Paleozoic period

Hope this helped!

~Just a girl in love with Shawn Mendes

The option (D) is correct. The closing of stomata will be increased.

a stoma, also called a stomate, is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.

Moreover, stomata are cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.

Hence, stomata are the tiny openings present on the epidermis of leaves. We can see stomata under the light microscope. In some of the plants, stomata are present on stems and other parts of plants. Stomata play an important role in gaseous exchange and photosynthesis.

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Final answer:

In response to hot, dry, and windy weather, a corn plant will close its stomata to conserve water, which unfortunately also reduces the uptake of CO2 for photosynthesis, ultimately decreasing the rate at which photosynthesis occurs.

Explanation:

During hot, dry, and windy conditions, a corn plant will undergo certain adaptations to cope with the stress of water loss. Stomata are small openings on the underside of leaves that enable gas exchange - they take in carbon dioxide (CO2) for photosynthesis and release oxygen (O2). However, they are also the primary route for water vapor exiting the plant. To conserve water, the plant will increase the closing of stomata, which reduces water loss but also limits CO2 uptake, affecting the rate of photosynthesis.

This scenario will lead to a decrease in the rate of photosynthesis because of the reduced level of CO2. While other mechanisms might come into play, such as a possible increase in root growth to access deeper water reserves, the most immediate response to hot and dry conditions is typically the closing of stomata to prevent water loss. Thus, answer D, 'The closing of stomata will be increased,' is the most directly related response from the list provided to the weather conditions described.

Answer:

Explanation:

The largest number of individuals of a species that an environment can support and maintain for a long period of time.

The largest population that an ecosystem can support over time is known as the carrying capacity.

Carrying capacity is defined as the maximum number of individuals of a particular species that an ecosystem can sustainably support without degrading the natural environment and its resources. This concept is central to the study of population ecology and is influenced by a variety of factors, including available resources such as food, water, and shelter, as well as environmental conditions, disease, and the presence of predators.

When a population within an ecosystem grows, it will eventually reach a size that the resources can no longer support. At this point, the population size will stabilize around the carrying capacity, or it may experience a die-off until the population size is back within the limits that the ecosystem can support. The carrying capacity is not a fixed number; it can change over time due to changes in the ecosystem, such as climate change, human activities, or the introduction of invasive species.

Mathematically, carrying capacity (K) can be represented in the logistic model of population growth, which is given by the equation:

[tex]\[ \frac{dP}{dt} = rP \left(1 - \frac{P}{K}\right) \][/tex]

where:

- [tex]\( \frac{dP}{dt} \)[/tex] is the rate of change of the population (P) over time (t),

- [tex]\( r \)[/tex] is the intrinsic growth rate of the population,

- [tex]\( P \)[/tex] is the current population size, and

- [tex]\( K \)[/tex] is the carrying capacity of the environment.

As the population size (P) approaches the carrying capacity (K), the growth rate slows down, and the population levels off. If the population exceeds the carrying capacity, the term [tex]\( \left(1 - \frac{P}{K}\right) \)[/tex] becomes negative, leading to a decline in population size until it returns to or below the carrying capacity.

the answer is C.

Plants use atmospheric CO2 through photosynthesis

Forests reduce atmospheric carbon dioxide levels through the process of photosynthesis. Photosynthesis is a process in which trees use atmospheric carbon dioxide to create glucose and release oxygen, thus reducing the overall level of atmospheric carbon dioxide.

The best explanation for how forests reduce atmospheric carbon dioxide levels is through the process of photosynthesis, which is carried out by the trees and other plants within the forest. This is represented by option C. Trees use atmospheric carbon dioxide during photosynthesis to produce glucose, an organic compound, and oxygen. The carbon dioxide, in combination with water and light, is transformed into glucose and oxygen. The glucose is used by the plant for growth and energy while the oxygen is released back into the atmosphere. In this way, trees and forests play an essential role in maintaining the earth's carbon cycle and reducing atmospheric carbon dioxide levels.

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Answer:

 Option (C)

Explanation:

The divergence of two oceanic plates leads to the expansion of the ocean. The mid-oceanic ridge occurs along the divergent plate boundary, where the magma comes out to the surface of the ocean floor and solidifies. This region experiences more stretching as a result of which the sea floor near the mid oceanic ridge appears like the baseball stitches. This oceans in due course of time becomes large because of the continuous expansion. For example, the Atlantic ocean is rapidly expanding.

On the other hand, the oceans also gets shrink because of the convergence of oceanic and continental plates and convergence of two oceanic plates. They are often marked by the presence of active volcanisms in its adjacent plate. These oceans due to the continuous convergence, leads to the shrinkage of oceans. For example, the Pacific ocean.

Thus, the ocean A will become larger and Ocean B will shrink.

Hence, the correct answer is option (C).

Chromatic aberration is a color distortion that occurs when a lens fails to focus all colors at the same point due to different refractive indices for different wavelengths of light, with violet being bent more than red. Multiple-lens systems can partially correct this aberration.

What is Chromatic Aberration?

Chromatic aberration refers to the phenomenon where a lens is unable to bring all wavelengths of color to the same focal plane, resulting in a distortion of color at the edges of objects. This occurs because different colors of light have different refractive indices in a lens material, thus they are bent by different amounts when passing through a lens. Violet light has a shorter wavelength and is bent more than red light, making the lens more powerful for violet than for red. This leads to violet light being focused closer to the lens, causing images to appear with different colors, locations, and magnifications.

To mitigate this effect, multiple-lens systems may be employed, which can partially correct chromatic aberrations by combining lenses made of different materials. However, this solution can increase the complexity and cost of optical systems such as cameras.

Answer:

Cold light means less than 20% of the light generates thermal radiation, or heat. Most bioluminescent organisms are found in the ocean. These bioluminescent marine species include fish, bacteria, and jellies. Some bioluminescent organisms, including fireflies and fungi, are found on land.

Explanation I am the answer giver and this is your answer.

Answer:

b. water depth

Explanation:

The abiotic factors are the factors that are not part of the biosphere, thus they are not living organisms. In this case, the water depth is that type of factor that would influence the marine ecosystems. The depth of the water is crucial for the type of organisms that can exist in it, their density, and diversity. This is because the water has certain characteristics that provide certain conditions, like if the water is shallow, it will be warmer, but if its deep, then it will be colder. The amount of nutrients in it also depends on the depth. The sunlight can penetrate into the water only in the shallow parts, but not in the deep ones, so the basis of the ecosystems, the producers can exist only where they can have sunlight to perform the process of photosynthesis.

Water depth is an important abiotic factor in marine ecosystems, as it influences the distribution and abundance of marine organisms.

One important abiotic factor in marine ecosystems is the water depth. Water depth plays a crucial role in determining the distribution and abundance of marine organisms. Different depths provide varying levels of light, temperature, and pressure, which in turn influence the types of organisms that can survive in a particular marine zone.

Plants are able to continue growing once the starch supply in the seed is spent because they (option C)have chloroplasts. These chloroplasts use absorbed light energy during photosynthesis to create more food, which facilitates the plant's continued growth and development.

Based on the information and diagram provided, once the starch supply in the seed is exhausted, plants continue to grow and develop due to their capacity to perform photosynthesis. This is represented by option C. Photosynthesis is a process in chloroplasts where plants use light energy to make more food. The plant begins to grow leaves that can absorb sunlight. The light energy is then used to convert water and carbon dioxide into glucose, which serves as a source of energy and a building block for plant growth.

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After the germinating seed's stored starch is used up, the plant can continue growing by using photosynthesis. This process, facilitated by chloroplasts in plant cells, converts light energy, water, and carbon dioxide into sugar for energy.

The process you are asking about is related to photosynthesis, which is one way that plants can continue to grow even after their stored starch is gone. The correct option from the ones given is C. Plants have chloroplasts and use light energy to make more food.

Life starts for a plant when the germinating seed uses the stored starch for energy to start growing. Once this stored food supply runs out, the plant must find a new source of nutrients, so the plant begins the photosynthesis process. This process involves the chloroplasts found in plant cells using light energy, usually from the sun, to convert water and carbon dioxide into glucose, which is a type of sugar that the plant can use for energy.

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Hello There!

Scientists think that the earths core contains iron because they have inferred that the core is iron by conducting seismic experiments. The magnetic field is also a strong clue.

Answer:

Scientists have confirmed that iron is present in the earth's core by observing the seismological data and the pattern of the earth's magnetic field.

Iron is a high-density element and is concentrated in huge amounts at the core. This iron has been present right from the time of earth's formation and has been probably there due to its gravitational force.

The seismic P-wave and S wave-wave propagation behavior within the interior of the earth depicted the presence of an inner core (solid) and an outer core (liquid) composed of iron and the temperature in this region is very high.

Answer:

after photo-autotrophic prokaryotes evolved

Large amounts of oxygen gas appeared in Earth's atmosphere about 2.7 billion years ago after photo-autotrophic prokaryotes evolved.

Hence, after photo-autotrophic prokaryotes evolved is the correct answer.

Therefore, option A is the correct answer.

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Pangaea was a supercontinent. This was a land mass that included all continental masses on Earth, and it was the last one of this type. There were two other supercontinents after it broke apart, but they were not consisted from all land masses. Pangaea formed in the late Paleozoic era, around 335 million years ago, and it existed until the early Mesozoic until it started to break apart around 175 million years ago. After it broke apart, there were two large continents that were short lived, Laurasia on the north, and Gondwanaland on the south, and from the further breaking apart of these two the modern day continents have formed.