which meristematic structure creates new xylem and phloem?

The components of visceral reflex arc in order

1- Receptor

2- afferent neuron

3- interneuron

4- efferent neurons

5- effector

what is visceral reflex arc

Visceral reflex is the reflex arc of autonomic nervous system which produces a glandular or non-skeletal muscular response in internal organs like the heart, blood vessels, organs in gastrointestinal tract, etc.

The output of a visceral reflex is two-step pathway starting with the preganglionic fiber emerging from a lateral horn neuron in spinal cord, or a cranial nucleus neuron in brain stem, to a ganglion—followed by the postganglionic fiber projecting to target effector.

The role of visceral reflexes is to maintain a balance of function in the organ systems of body. The two divisions of the autonomic system each play role in effecting change, usually in competing directions. The sympathetic system increases heart rate, whereas parasympathetic system decreases heart rate.

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The following characteristics of living things which best explains why some North American birds fly south for the winter is living things respond to their environment and is denoted as option A.

This is referred to as the excitatory ability that living organisms have to respond to changes in their environment.

In this scenario, the winter condition is characterized by a very low temperature which may cause freezing of the organisms and a low availability of food supply in the region which is why they  fly south to be more in a conducive environment hence option A was chosen as the correct choice.

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The characteristics of living things that best explains why some North American birds fly south for the winter is as follows: Living things respond to their environment (option A).

Living things are organisms that possess life in them. This means that living things possess certain characteristics that distinguish them.

The characteristics of living things are as follows:

According to this question, North American birds fly south for the winter because they can respond to stimuli in their environment causing them to migrate.

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One way eukaryotic cell  ministry can distinguish between  colorful membranes in the cell is by examining the composition of lipids within the membrane.

The composition of lipids, including the  rate of  impregnated to unsaturated adipose acids, varies depending on the type of membrane. For  illustration, the  remotest tube membrane of the cell contains  further unsaturated adipose acids while the endoplasmic reticulum membrane contains more  logged adipose acids. also, the type of phospholipid within the membrane can vary

The  remotest tube membrane is composed of  substantially phosphatidylcholine while the endoplasmic reticulum is composed  substantially of phosphatidylethanolamine. The  ministry of the eukaryotic cell is  suitable to  descry these differences and use them to  separate between the  colorful membranes.

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Motor neuron transmits impulses from the central nervous system to effectors such as muscles and glands.

To effector organs like muscles and glands, the CNS delivers impulses via efferent, or motor, neurons.Typically, efferent neurons have long axons and short dendrites.

Motor neuron also referred to as efferent nerves, send impulses to muscles and glands from the brain or spinal cord. Afferent nerves also referred to as sensory nerves, transmit impulses from sensory receptors to the brain.

The nerve impulse is frequently referred to as a "action potential." It speaks of the electrical signal that an activated neuron sends out. The synapses, or connections between the cells, then send this signal.

Complete question:

Which type of neuron transmits impulses from the central nervous system to effectors such as muscles and glands?

A. Sensory neuron

B. Motor neuron

C. Interneuron

D. All of the above

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The honing canine tooth is used by nonhuman primates to obtain food.

Primates use the honing canine tooth to tear apart tough plants, such as fruits, nuts, and leaves. It is a sharp, curved tooth that is located in the front of the jaw, just below the incisors. The honing canine tooth is an adaptation that allows primates to acquire food more easily.

The honing canine tooth is an adaptation that has evolved over millions of years, as primates have gained the ability to obtain more difficult types of food. This adaptation is especially useful for primates who live in habitats with a large variety of plants, such as tropical rainforests. Having a honing canine tooth allows primates to access food sources that would otherwise be too difficult to process.

The honing canine tooth is used in conjunction with the incisors, which are used for cutting and slicing food. The honing canine tooth is used for tearing apart plants and other tough materials, while the incisors are used for more precise cutting. This combination of adaptations allows primates to process a wide variety of foods.

The honing canine tooth is used by primates of all sizes, from small lemurs to great apes. However, large primates, such as gorillas, tend to have larger and more powerful honing canine teeth than smaller primates, such as marmosets. This adaptation allows them to process larger and tougher foods, such as hard nuts.

Overall, the honing canine tooth is an important adaptation that allows primates to process a variety of foods and obtain the nutrients they need to survive. This adaptation has evolved over millions of years, and is an important part of the primate diet.

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Option C is correct . The sun has more than one-million time the volume of Earth.

Our Sun is a medium-sized star (700,000 kilometres in diameter) with a radius of about 435,000 miles. Compared to many other stars, the Sun is significantly more massive than Earth; it would take more than 330,000 Earths to have the same mass as the Sun.

The Solar System's largest and heaviest object is the Sun. The Sun's diameter is 1,390,000 km. Contrarily, the Earth's diameter is only 12,742 kilometres. The Sun is considerably bigger than the Earth.

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Question:-

How large is the sun relative to the Earth?  a. They are nearly the same size. The sun has more than one-thousand time the volume of Earth. C. The sun has more than one-million time the volume of Earth. D. The sun has more than one-billion time the volume of Earth

Plants absorb red and blue light but not green because both lights have a wavelength that can be absorbed by chlorophyll for photosynthesis.

Chlorophyll is a leaf-green substance that plays a role in the process of photosynthesis. Chlorophyll is found in almost all green plants and algae. This plant pigment has molecules that can absorb light with a wavelength between 425-450 nm to 600-700 nm as in red and blue light. While the green color is reflected again. That is why human eyes see the green color of leaves or plants.

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Yes, atoms of different elements have different properties.

Chemical characteristics vary among elements' atoms. (These differences can be minute, as those between the noble gases neon and argon, or enormous, like those between strongly nonmetallic chlorine and very metallic sodium.)

When compared to one atom of sodium from metallic sodium, sodium atoms from table salt act substantially differently. Atoms of the same element are not always similar because they might exist in several states.

Based on the configuration and quantity of their fundamental constituents, atoms have various characteristics. There is only one proton, one electron, and no neutrons in the hydrogen atom (H). The element's atomic number and mass number can be used to determine this (see the concept on atomic numbers and mass numbers).

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The WPA was created with the intention of providing millions of Americans with jobs and income in order to provide relief for the unemployed.

Employees of the WPA built bridges, roads, public buildings, public parks, and airports for an average monthly wage of $41.57. The WPA would spend more than $11 million on job relief before it was discontinued in 1943, led by Harry Hopkins, a passionate former social worker who had come from modest circumstances. The Works Progress Administration (WPA), also known as the (1939–43) Work Projects Administration, was established in 1935 as part of U.S. President Franklin D. Roosevelt's New Deal. The WPA was created with the intention of providing millions of Americans with jobs and income in order to provide relief for the unemployed. More than 3.3 million Americans worked for the WPA at its peak in late 1938.

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In this activity, you will use popsicle sticks to model the process of gamete formation and the combining of sperm and egg to create offspring. Results of the simulation can then be compared to Punnett square expected results.

What isis gamete formation?

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Mitosis purpose - Organism growth.

The correct option is C.

Mitosis is when the majority of cell divisions in your body take place. During growth and development, mitosis adds new cells to an organism's body, and during its lifespan, it replaces old, worn-out cells with fresh ones. For single-celled eukaryotes like yeast, mitotic divisions are a kind of reproduction that creates new members of the population.

The cell's chromosomes are duplicated throughout the process of mitosis and then divided evenly between the two daughter cells' two new nuclei.

Prophase, Metaphase, Anaphase, and Telophase are the four fundamental stages of mitosis.

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Answer:

Flash Cards

Explanation:

Flashcards are great for memorization because they provide a simple and efficient way to review and retain information. They present information in a concise, easy-to-digest format, with a question or prompt on one side, and the answer or information on the other side. This format allows for quick and efficient review of the material, making it easy to identify areas of weakness and focus on them. Additionally, flashcards can be organized and sorted by subject matter, making them easy to find and review. By providing a quick and efficient way to review and retain information, flashcards are a great tool for memorization.

Answer:A

Explanation:

they measure the seismic waves caused by earthquakes to measure approximately what the core is doing.

Answer:

C. Droughts, floods, and heat waves

Explanation:

Abiotic factors are non-living physical and chemical elements and conditions in an ecosystem that can affect the stability of that ecosystem. Examples of abiotic factors that could affect the stability of an ecosystem include weather conditions such as droughts, floods, and heat waves, as well as the availability of natural resources such as water, light, and nutrients. These factors can affect the growth and survival of plants and animals in the ecosystem, and can also affect the overall health and productivity of the ecosystem. Factors such as hurricanes, packs of wolves, temperature, blizzards, heat waves, swarms of grasshoppers, species of fish, number of decomposers, and supply of algae are not abiotic factors.

Motor Neurons - Direct body actions by transmitting impulses from the brain and spinal cord to muscles and glands. Interneurons are neurons that form bridges between other neurons to transmit impulses.

Neurons, also known as nerve cells, are essentially the cells that make up the brain and the nervous system. Neurons do not touch each other, but where one neuron comes close to another neuron, a synapse is formed between the two.

According to new research, the human brain contains around 86 billons neurons (Herculano-Houzel, 2009). These cells develop around fully around the time of birth but unlike other cells, cannot reproduce or regenerate once they die.

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Answer:

Ecosystem

Explanation:

In addition to chlorophyll, other pigments used in photosynthesis give leaves different colors. They are carotene produced during photosynthesis, anthocyanins, chlorophyll, and xanthophyll.

Chlorophyll is a substance that gives vegetation their distinctive green color and aids in photosynthesis, which enables plants to produce their own food. According to several research, chlorophyll has advantages such as weight loss, cancer prevention, and skin healing. Parsley but also wheatgrass are examples of natural sources.

Its ability to reduce the likelihood of kidney disease by avoiding the production of calcium oxalate is just one of its numerous advantages. Chlorophyll can also be used by patients with kidney-related medical disorders since it contains vitamin K, which helps to create vital molecules that enhance kidney health.

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Answer:

Explanation:

what question is it ;-;''???

The light-independent reactions like the Calvin cycle "fix" CO2 by producing a substance that may be turned into glucose using chemical energy that was previously accumulated from the light-dependent reactions. The assembly of a glucose molecule is the final step in the light-independent processes, also known as the Calvin cycle.

The end products of the light independent phase includes NADPH and ATP. A sequence of biochemical processes known as "light-independent reactions" take place during photosynthesis but are unaffected by light, leading to the formation of organic molecules from carbon dioxide. These processes take place in the stroma, or chloroplast cells' cytoplasm. These are additionally known as dark reactions. Carbohydrates are created by a sequence of chemical processes that modify carbon dioxide.

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In an ecosystem, every component is dependent on every other component, either directly or indirectly.

For example, the change in ecosystem temperature frequently affects the types of plants that may be flourish there. Animals who rely on plants for food and shelter will need to adjust to the changes, relocate to another habitat, or go extinct.

If the population of one trophic level rises or falls excessively, it may reduce the number of producers and, as a result, the amount of energy available in the food web, leading to a population crash, or it may cause all trophic levels to die out, upsetting the ecosystem's homeostasis, or balance.

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After 50 days, Pot B was the plant with the most height and mass.pot B gets more water than pot A, which may or may not cause plants in pot B to outgrow plants in pot A.

It is important to keep in mind that certain factors that we are aware of as being crucial for a plant's development and reproduction must exist for the plant to grow and reproduce properly. The most crucial components the plant requires to function are; a) Simple, b) water ,c) Supplements. The plant may not be able to germinate or develop properly in the soil if there is too much water present. The two pots offer the identical conditions for the bean seeds to sprout and the plants to grow robust and healthy, but pot B gets more water than pot A, which may or may not cause plants in pot B to outgrow plants in pot A.

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e. stomata for gas exchange would not have been useful in the evolution of land plants.

Stomata are small openings on the surface of leaves and stem that allow for the exchange of gases between the plant and the environment. They are very important in photosynthesis, the process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen. This process helps land plants to survive and thrive on land.

Water conservation mechanisms, vascular tissue, a dominant sporophyte and a dominant gametophyte, on the other hand, were all necessary for the evolution of land plants. Vascular tissue is necessary for transporting water and nutrients throughout the plant. Water conservation mechanisms, such as a waxy cuticle, help to reduce water loss. A dominant sporophyte (the diploid generation of the plant life cycle) is necessary for reproduction on land, and a dominant gametophyte (the haploid generation) is necessary for the production of spores.

In summary, stomata for gas exchange were useful for plants but not necessary for the evolution of land plants as the other options, which were useful for the plants to adapt and survive on land.

A passage between the cell walls of two neighboring plant cells is known as a plasmodesma. Materials can move from the cytoplasm of one plant cell to the cytoplasm of a neighboring cell thanks to plasmodesmata. 

As a result, plasmodesmata are the sole type of intercellular connection seen in plant cells. They directly link the cytoplasms of neighbouring cells, much like gap junctions do. Between tiny channels woven through the walls of neighboring plant cells, plant cells can communicate with one another. These pathways, referred to as plasmodesmata, enable chemicals to move freely between cells, allowing plants to grow regularly and form tissues and organs. Plants have developed cytoplasmic bridges, known as plasmodesmata, that span cell walls and connect the fluid cytoplasm between adjacent cells to permit intercellular communication.

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The essay on a narrative commenting on the society we live in that uses one or more of the following science fiction conventions is given below

In a future world where scientific advancements have allowed for time travel and space colonization, society has become deeply divided. On one hand, the elite have access to these technologies and use them for their own gain, traveling back in time to change the course of history and colonizing distant planets for resources. On the other hand, the majority of the population is left behind, struggling to survive in a world ravaged by the consequences of these actions.

The story follows Emma, a young woman living in the lower class, who has always dreamed of traveling to other worlds. When she is given the opportunity to join a team of scientists on a journey to colonize a new planet, she jumps at the chance. But as she travels through space and time, she begins to realize the true cost of these advancements.

Emma is forced to confront the moral implications of the society she lives in, and she struggles to reconcile her own desires with the harm caused by her actions. She must make a choice: continue to support the system that has given her the opportunity of a lifetime, or fight for a better future for all.

As she reflects on her experiences and the society she lives in, Emma comes to realize that true progress can only be achieved by working together and valuing the lives and well-being of all individuals, regardless of their place in the social hierarchy. The story ends with Emma's determination to make a change and to fight for a better future for all.

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See transcribed text below

Prompt #2: NARRATIVE PROMPT

Write a narrative commenting on the society we live in that uses one or more of the following science fiction conventions.

Scientific Advancements

Time travel

Space travel and colonization

Aliens

Fictional/future worlds

Narrative Writing Checklist:

O

Establish a problem, situation, and setting, and introduce characters and establish one or multiple point(s) of

view.

Use a variety of techniques to sequence events so that they build a coherent story.

Use techniques such as dialogue, thoughts, reflection, pacing, description, and multiple plot lines to develop your narrative.

Use precise words, telling details, and sensory language to create a vivid picture of events, setting, and characters.

Provide a conclusion that follows from and reflects on what is experienced, observed, or resolved.

Brainstorm:

When your baby and placenta are delivered, your levels of oestrogen and progesterone suddenly fall, which triggers the hormone prolactin to take over. The hormone responsible for milk production is called prolactin.

lactogenesis Two to three days after delivery is when this stage begins( after giving birth). During this time, milk product increases. When your baby and placenta are delivered, your situations of oestrogen and progesterone suddenly fall, which triggers the hormone prolactin to take over. The hormone responsible for milk product is called prolactin. At this point, you will notice a significant rise in milk affair. The expression" milk coming in" is constantly used. Your guts are constantly engorged, or overstuffed, with milk to the point where they hurt, hurt, or feel painful. As long as milk is withdrawn from your bone, lactation generally continues. Your body produces further milk to make up for the quantum of milk that's excluded. Your body will produce further milk if you feed or pump constantly.

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At room temperature, triglycerides that are solid or semisolid are categorised as fats and are primarily found in mammals. Oils are the triglycerides that are liquid.

Blood lipids (fats) called triglycerides are a type of lipid. Triglycerides are created by your body when it consumes calories that aren't immediately used. In your fat cells, the triglycerides are kept. Triglycerides are subsequently released by hormones for energy in between meals. Having high triglycerides may result from consistently consuming more calories than you burn, especially from foods heavy in carbohydrates (hypertriglyceridemia). Atherosclerosis, or the thickening of the artery walls, which raises the risk of heart disease, stroke, and heart attack, may be exacerbated by high triglycerides. The pancreas can become acutely inflamed when triglycerides are extremely high (pancreatitis).

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Some hummingbirds eat Small insects as well as plant nectar as there are more sources of food.

Hummingbirds that eat small insects as well as plant nectar have an advantage because it provides them with a diverse food source. This means that if one food source becomes scarce or unavailable, they can still find sustenance from other sources. This adaptation allows hummingbirds to survive and thrive in different environments, and it increases their chances of survival during times of food scarcity. Additionally, insects are a rich source of protein, which is essential for the growth and development of hummingbirds, particularly for their chicks.

In addition to providing a diverse food source, eating insects also allows hummingbirds to access food sources that are not available to other nectar-feeders, such as bees.

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