What are the yellow arrows showing . Please no links :) ill mark brainlest if you give correct answer

A heterotroph is an organism that consumes other organisms in a food chain.

So the answer is D) heterotrophs.

Plants on the other hand, are autotrophs, they are able to produce energy from solar energy, so they are the first one on the food chain.

Body weight regulation in a normal human living in a modern society can best be described as a complex interplay of genetic, physiological, and environmental factors. Genetic predisposition plays a crucial role in determining an individual's natural weight range.

However, physiological mechanisms like metabolism, appetite, and energy expenditure also contribute to maintaining an optimal weight. Hormones, such as leptin and ghrelin, help regulate hunger and satiety signals, while environmental factors like diet, exercise, and lifestyle choices significantly impact weight management.

In modern society, access to high-calorie foods and sedentary lifestyles often disrupt this delicate balance, leading to weight gain and health issues. For effective body weight regulation, individuals should focus on a balanced diet, regular physical activity, and adopting healthy habits, while also considering their unique genetic makeup and physiological needs.

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Answer:

20

Explanation:

gametes have half the amount

Answer:

i think its 80

Explanation:

Answer:

mitochondria

Explanation:

Answer:

myelinating Schwann cells

Explanation:

In the peripheral nervous system, saltatory conduction is made possible by a series of morphologically and molecularly distinct subdomains in both axons and their associated myelinating Schwann cells.

Blood clotting inside the collection tube is irreversibly prevented by calcium removal because calcium is required for a variety of enzyme activities in the coagulation cascade.

When calcium dioxide and other coagulation factors is present, factor X activates the enzyme that activates prothrombin. This enzyme then converts the plasma prothrombin into thrombin. Fibrinogen is converted into fibrin by the thrombin enzyme, which results in blood clotting.

Fibrinogen, prothrombin, tissue thromboplastin or factor III, ionised calcium, factors V (labile factor and proaccelerin), factors VII (stable factor and proconvertin), or factor VIII are the clotting factors (antihemophilic factor).

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The main reason scientists and engineers use scientific notation is to concisely express very large and very small numbers.

This is due to the fact that using the conventional method of writing down numbers can be difficult when working with extremely big or small numbers.

For instance, it is significantly more concise to write the quantity 3 x 1010 in scientific notation as opposed to writing it as 30,000,000,000.

Scientists and engineers also benefit from scientific notation since it makes it simpler to manipulate numbers during calculations. In scientific notation, the result of multiplying 3 x 1010 by 4 x 109, for instance, can be written as 12 x 1019 rather than the verbose 30,000,000,000,000,000,000.

This is helpful when performing several calculations that call for both extremely big and extremely small quantities.

Scientific notation also makes it simple to compare and contrast various quantities. It is simpler to assess the data without being daunted or overwhelmed by the quantity of digits by expressing all the numbers in the same manner.

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Answer: Yes, it  indicates that the resistance to antibiotics comes from a loss of genetic information, not a gain in information.

Explanation:

Some scientists found that in each strain of bacteria that had developed resistance to antibiotics the bacteria had dropped from its chromosomes a gene called

k

a

t

G

which codes for the production of two enzymes.

Answer:

The fourth option

Explanation:

A mouse that needs less water, as the desert is an arid climate

Answer:

A protostar looks like a star but its core is not yet hot enough for fusion to take place. The luminosity comes exclusively from the heating of the protostar as it contracts. Protostars are usually surrounded by dust, which blocks the light that they emit, so they are difficult to observe in the visible spectrum.

Explanation:

A protostar is not considered a star until it gets its energy from nuclear fusion instead of gravitational contraction. Gravitational contraction is the process of a cloud's gravity overcoming its internal pressure and causing a collapse.

A protostar is the stage in a star's life before it is hot enough to fuse hydrogen (13 million K). Fusion is the opposite idea to the atomic bombs dropped on Japan. Those bombs split atoms (specifically U-235?), where as in fusion, atoms are fused together. Protostars are simply out hot enough to fuse Hydrogen, and therefore are not main sequence stars like our sun.

Main sequence stars are stars that fuse hydrogen and exhibit a state of "Hydrostatic Equilibrium". Hydro-what? HE (as I'll call it) is where the fusion in a stars core counter acts the force of gravity attempting to compress the star.

Protostars do not exhibit this characteristic, rather they are in a state of collapse until they are compressed to a point where pressure is high enough to have a temperature high enough to fuse Hydrogen.

Protostars do fuse protons to Deuterium (a isotope of helium) but don't worry about this.

Protostars are technically stars, but I think you were asking how they defer from other stars.

Have a wonderful day :-D

Answer:

The correct answer is -

1. stomata - openings that are most frequently found on the underside of a leaf.

2. Palaside layer - the layer in the leaf that is the primary spot of photosynthesis.

3. spongy layer - the layer within the leaf that has many holes and spaces for gases to exchange.

4. cuticle - the waxy protective coating on leaves.

5. epidermis - the outer layer of cells on leaves that has a waxy coating.

Explanation:

The structure of leaves has various layers and structures in it for specific functions.

Epidermis - it is the outermost protective layer of the leaf that has a waxy coating known as the cuticle.

Cuticle - it is a waxy coating that provides protection to the plant leaves and prevents moisture to move out of the cells.

Palisade layer - it is the closely packed photosynthetic pigments chlorophyll layer known as the primary spot for photosynthesis.

Spongy layer - it is the layer that has loosely packed photosynthetic cells and allows the gaseous exchange as their many small holes and spaces.

Stomata - Stomata is the holes or openings that are most frequently found on the underside of a leaf that allows for gaseous exchange.

spongy layer 1
epidermis 3
stomata 4
cuticle 5
palisade layer 2

exp: proof in the image, trust ‍

Some antibiotics disrupt bacterial phospholipids.

cell component which would be affected by such antibiotics is plasma membrane because phospholipids would have a direct effect on the plasma membrane.

The plasma membrane is in charge of managing what chemicals may enter and leave the cell, as well as communicating between cells. Disrupting the phospholipids of the plasma membrane would thereby impact the cell's permeability and capacity to communicate with other cells. Other cell components that would most likely be impacted include the Golgi apparatus, which is in charge of packaging and transporting proteins and lipids, and the endoplasmic reticulum, which is involved in protein production and transport. Antibiotics that disrupt phospholipids, on the other hand, would have little effect on the ribosome, which is principally responsible for protein creation.

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Answer:

C

Explanation:

it was the time to f the dinosaurs and some of the dinosaurs were reptiles

The movement of Earth materials through the mantle and toward the crust due to heat transfer is an example of convection.

Convection is one of the methods of heat transfer where heat moves through a liquid medium.

According to this question, Earth materials move through the mantle towards the crust. This slow motion carries materials such as silicate etc from the interior to the exterior part of the Earth via convection currents.

Therefore, the movement of Earth materials through the mantle and toward the crust due to heat transfer is an example of convection.

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Answer:

A.convection

Explanation:

i got it right on study island

Answer:

The tiny sac in the lung that functions as an interface between air and blood is called an alveolus (plural: alveoli).

Answer: i believe the answer is  b

Explanation: sorry if i got it wrong

1. Derivational morphology refers to the process of forming new words by adding affixes, such as prefixes or suffixes, to the base form of a word. The affixes change the meaning or part of speech of the base word.

For example:
  - By adding the prefix "un-" to the word "happy," we get the word "unhappy," which means not happy.
 

2. Inflectional morphology involves the modification of a word to indicate grammatical relationships, such as tense, number, or case, without changing its core meaning. Examples include:
  - Adding "-s" to the noun "cat" to indicate plural, resulting in "cats."
  - Modifying the verb "run" to "ran" to indicate past tense.

3. Back formation is a process where a new word is created by removing a supposed affix from an existing word. It usually occurs when speakers mistakenly analyze a word as having an affix that is not actually there.

For example:
  - The noun "editor" was formed through back formation from the word "editorial."
  - The verb "enthuse" was created through back formation from the noun "enthusiasm."

4. Compounds are formed by combining two or more words to create a new word with a distinct meaning. The words can be connected without any changes or with modifications.

Examples include:
  - "Blackboard" is formed by combining the words "black" and "board," referring to a dark writing surface.


References:
- English Morphology (https://www.ling.upenn.edu/courses/Fall_2003/ling001/morphology.html)

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P: coughing; C: saliva; B: complement system. That is option B.

The immune barriers are defined as those natural barriers that helps to prevent the invading of microorganisms on a host cell.

The physical barrier are natural structural obstacles example is coughing.

The Chemical barrier is the saliva that contains enzymes which can digest invading microorganisms.

The biological barrier is the complement system.

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Prophase of mitosis do the chromosomes become distinctly visible in the microscope.

During metaphase, the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of the dividing cell. At this stage, the chromosomes are distinguishable when viewed through a microscope. The first stage of mitosis and of meiosis I and II.

During prophase the chromosomes become visible as distinct structures, the nuclear envelope breaks down, and a spindle forms (Meiotic prophase I is more complex, and includes synapsis of homologous chromosomes and crossing over). During Prophase chromosomes become Clearly visible, nuclear envelope disappears, kinetochores and spindle fibers form.

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Answer:

Healthy food, exercise and use of sunglasses.

Explanation:

Safety goals for tina's decreased vision is to eat a balanced and healthy diet rich in antioxidants and vitamin A, Get enough sleep, doing regular exercise, Wear sunglasses in order to protect your eyes from the sun, Wear eye protection in order to protect the eyes from injury. these practices work because there effectiveness are scientifically proven.

Answers: it sends an electrical signal called the nerve impulses.

Explanation:

Glycosuria means that there is glucose in the urine. This term refers to a medical condition where the kidneys fail to reabsorb glucose effectively, leading to its excessive secretion in the urine. A high level of glucose in the urine is often an indication of high blood sugar levels, a condition that may result from the inability of the body to produce or respond to insulin appropriately.

Glycosuria, also known as glucosuria, is a medical term that refers to the presence of glucose in the urine. It is a common indication of high blood sugar levels and may occur due to several factors, including diabetes mellitus, pregnancy, certain medications, and hormonal imbalances. The main cause of glycosuria is the failure of the kidneys to reabsorb glucose from the urine effectively.

The kidneys play an essential role in regulating blood glucose levels. After the digestive system has broken down food into its simplest form, glucose, it is absorbed into the bloodstream. The pancreas then releases insulin, which signals the cells to take up glucose for energy production. However, if the body doesn't produce enough insulin, or the cells become resistant to insulin, glucose levels in the bloodstream rise.

In response to elevated blood glucose levels, the kidneys work to reabsorb as much glucose as possible from the urine. This process occurs in the nephrons, the tiny filtering units in the kidneys. However, if glucose levels in the blood are too high, the kidneys may not be able to reabsorb all the glucose effectively. Consequently, glucose spills over into the urine, leading to glycosuria.

Glycosuria can be detected through a urine test. It may also be accompanied by other symptoms such as frequent urination, increased thirst, and fatigue. When left untreated, glycosuria can lead to complications such as kidney damage, nerve damage, and vision problems. Thus, it is essential to consult a healthcare professional if one suspects having glycosuria or any other medical condition.

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Answer:

spring vegetation. such as hazel snow drops,primroses,saffron willow,hellsbore,Heather, wild cherry,dandelion,fruit tree,

Explanation:

under the classification

Answer:

b

Explanation:

\(\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}\)

d. of less density

I'm quite sure it correct...

Answer:

Unclean conditions

Explanation:

Answer:

Vehicle Hazards

Explanation:

SDS, or Sodium Dodecyl Sulfate, is a molecule that is commonly used in the laboratory to denature proteins. This means that SDS disrupts the structure of the protein, causing it to lose its natural shape and become unfolded.

SDS does this by interacting with the hydrophobic (water-repelling) regions of the protein, causing it to become more soluble in water. Additionally, SDS imparts a negative charge to the protein, which helps to separate the protein into its individual subunits.

Overall, SDS is a useful tool for studying the structure and function of proteins, as it allows scientists to break down the protein into its individual components and examine them more closely.

In conclusion, SDS is a molecule that denatures proteins by interacting with their hydrophobic regions and imparting a negative charge, causing the protein to lose its natural shape and become more soluble in water.

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