Cells of the immune system student worksheet answers

Removal of invasive species and growing more vegetation can restore the stability and biodiversity of ecosystem.

These two solutions restores the stability and biodiversity of the selected ecosystem because invasive species can capture more resources as compared to local species which leads to the extinction of local species.

While on the other hand, growing more vegetation provides more food to the organisms which ultimately increases the biodiversity of the ecosystem so we can conclude that removal of invasive species and growing more vegetation are the solutions to bring ecosystem in a stable condition.

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Answer:

Yes,the scientific name of frog is Rana trigina.

Answer:

It is correct but it is also called Anura

I think it will help you

Answer:

When two or more atoms link up, they create a molecule . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The molecular mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.

Explanation:

hope this helps :D

The human activities that are responsible for almost doubling the amount of fixed nitrogen are-

Nitrogen fixation is a biological process that converts molecular nitrogen in the atmosphere into nitrogenous compounds that plants can absorb and use. Most plants obtain nitrogen from the soil.

Nitrogen undergoes various processes as it cycles between these systems, including:

Nitrogen is essential for the growth of all living organisms, and humans rely heavily on it to grow crops and raise animals for food.

Because of human activities such as overuse of fertilizers, deforestation, and burning of fossil fuels, the amount of fixed nitrogen has almost doubled in recent years.

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In an aqueous solution, water molecules associate with one another through hydrogen bonds.

So correct answer is B. hydrogen bonds .

Water is a polar molecule that forms hydrogen bonds between its molecules. These hydrogen bonds are the result of the partial positive charge on the hydrogen atoms in one water molecule interacting with the partial negative charge on the oxygen atom in another water molecule. This allows for the formation of a network of hydrogen bonds between water molecules, giving water its unique properties such as high surface tension, high specific heat, and the ability to dissolve a wide range of substances.

In an aqueous solution, the solute molecules or ions interact with the water molecules through hydrogen bonding as well, leading to their dissolution in water.

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Answer:the answer is Rubidium

Explanation: quizzzzzlm app thing also my teacher told me. I got you fa

A kidney stone, also called a renal calculus, is a hard, crystalline mineral material that forms within the kidney or urinary tract.

Kidney stones develop when there is a high concentration of certain substances, such as calcium, oxalate, or uric acid, in the urine. These substances can crystallize and accumulate, eventually forming a kidney stone.

Common symptoms of kidney stones include severe pain in the back or lower abdomen, blood in the urine, and frequent urination.

Treatment options for kidney stones include increasing fluid intake, using medications to help pass the stone, or in more severe cases, undergoing medical procedures like lithotripsy or surgical removal.

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A kidney stone, also called a renal calculus, is a hard, crystalline mineral material that forms within the kidney or urinary tract.

Kidney stones develop when there is a high concentration of certain substances, such as calcium, oxalate, or uric acid, in the urine. These substances can crystallize and accumulate, eventually forming a kidney stone.

Common symptoms of kidney stones include severe pain in the back or lower abdomen, blood in the urine, and frequent urination.

Treatment options for kidney stones include increasing fluid intake, using medications to help pass the stone, or in more severe cases, undergoing medical procedures like lithotripsy or surgical removal.

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Answer:

in situ hybridization.

Explain: Because eukaryotic genes contain introns, they cannot be translated by bacteria, which lack RNA-splicing machinery.

Answer: is called __________. in situ hybridization.

I really hope this is right!

Answer: 8 electrons

Explanation:

Chordates are a grouo of anumals that includes vertebrates, tunicates, lancelets, and some vertebrates as lampreys, mammals, birds, amphibians, reptiles and fishes.

this phylum have bilaterally symmetry.

Answer:

So far, we have discussed the phases of the cell cycle and the controls that regulate the passage of the cell from one phase to the other. Once the cell has successfully completed S-phase, when its chromosomes are duplicated, and passed through G2, it is ready to enter M-phase, when mitosis occurs.

Answer:

Hydroxyl: -OH, alcohol

Carboxyl: -COOH, carboxylic acid

Amino: -NH₂, amine

Phosphate: -PO₄, phosphate group*

Carbonyl: -CO, aldehyde or ketone

Sulfhydryl: -SH, thiol

*I have no idea what class of compound this would be. they are normally just referred to as phosphate groups.

**note that all of these groups are attached to a carbon

Answer:

This isn't a hundred points

Explanation:

Answer:

the answer would be A.

Explanation:

this would be because a cell is the smallest living thing, after cells, tissues are the next smallest thing, then it is an organ, because different tissues make up an organ, then multiple organs will create an organ system, and multiple organ systems create an organism.

The structure of the body has several levels of the organization, and the sequence is cell → tissue → organ → organ system → organism, hence option A is correct.

The human body's biological functions are preserved at several levels of structural organization. The following levels are included: chemical, cellular, tissue, organ, organ system, and organismal.

The lowest unit of life is a cell. A tissue is made up of a variety of unique cells. Organ systems are made up of related organs that are made up of tissues. A living thing or organ is made up of various organ systems.

Therefore,  any organism's cell is its fundamental structural and operative unit. Multicellular organisms are made up of cells, tissues, organs, and organ systems, which are composed of groups of similar cells, tissues, organs, and organ systems.

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Answer:

A tadpole changing into a frog is an example of succession.

Explanation:

C is the answer.

It is called a semi-daily or semidiurnal tidal pattern when the heights of the two highs and lows are roughly equal whereas a mixed semidiurnal tidal pattern is one in which the heights of the high and low tides vary. It is called a diurnal tide when areas have only one high and one low tide each day.

Since "diurnal" refers to a daily occurrence, a tide is said to be diurnal if there is just one whole tidal cycle every day. In the Gulf of Mexico, on Alaska's west coast, and in some regions of Southeast Asia, diurnal tides are typical.

Semidiurnal refers to "half of a day," and as one tidal cycle lasts for half a day, there are two full cycles per day. The majority of Europe, the west coast of Africa, the east coast of North America, and Australia all experience semi-daily tides.

The differences in height in mixed semidiurnal tides may be the result of amphidromic circulation, the angle of the moon, or any of the other variables. They are found along the Pacific coast of North America.

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Answer:

Near water, change in elevation, or change in latitude.

Explanation:

Answer:

Antonie van Leeuwenhoek, a Dutch scientist, is known for his discovery of bacteria. He referred to them as "animalcules".

Answer:

Animalcules

Explanation:

Antonie van Leeuwenhoek, the Dutch scientist who is considered to be the father of microbiology, referred to bacteria as "animalcules" or "little animals". This was because he observed them under his simple microscopes and thought they were tiny animals, rather than single-celled microorganisms. It wasn't until later that the term "bacteria" was coined to refer specifically to these types of microorganisms.

Nondisjunction occurs during the phase of cell division called meiosis. Meiosis is a type of cell division that reduces the number of chromosomes in a cell by half, resulting in the formation of reproductive cells, also known as gametes.

During meiosis, homologous chromosomes, which carry the same genes, pair up and exchange genetic material through a process called crossing over. After crossing over, the chromosomes separate into two different cells. Nondisjunction occurs when one or both of the homologous chromosomes fail to separate properly during meiosis, resulting in an unequal distribution of chromosomes in the daughter cells. This can lead to cells with too many or too few chromosomes, which can cause genetic disorders such as Down syndrome. Cell division is the process by which a single cell divides into two or more daughter cells. It is an essential part of growth, reproduction, and tissue repair in all living organisms. There are two main types of cell division: mitosis and meiosis

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Answer:

 the probability (assumptions)of where the sand came from by the three friends may be

a. the thought that  the sand came from distant mountains and landforms.

b. the thought that the sand came from rocks on the ocean floor.”

c. he thought that  the sand came from undersea mountains and sea floor formations.

the best answer to this is the first probability answer (a)the thought that  the sand came from distant mountains and landforms.

it is very essential as a student to have an idea about weathering, erosion, deposition, and landforms.  if students/ individuals can identify/recognize that sand on a  beach may have come from distant mountains  and landforms due to rock weathering , deposition or erosion.

Explanation:

Crystallins one of the clearest substances on earth is the protein responsible for the lens.

The eye contains the lens.

The lens modifies the eye's focus distance by altering its shape. To put it another way, it concentrates the light rays that come through it (and onto the retina) to produce sharp images of things that are placed at varied distances.

The transparency of the lens is caused by a structural protein called crystallin, which is located in the cornea and lens of the eye. It has also been found in aggressive breast cancer tumors and other locations, including the heart.

The alpha- and beta-gamma-crystallins, two protein superfamilies, are what make up the lens. They both exhibit a fundamental 2-beta-sheet domain fold.

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Unlike simple diffusion, Facilitated diffusion requires energy expenditure by the cell is false. It does not require energy expenditure by the cell because it is a passive process.

In facilitated diffusion, molecules move from the region of higher concentration to the region of lower concentration. It is the passive movement of molecules and the membrane allows only selective types of molecules to pass. Only small and non-polar molecules can pass through the membrane.

Some factors that affect facilitated diffusion are temperature, concentration, distance, and size of the molecules.

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Answer:

C. The herd has reached its carrying capacity because the growth rate is negative.

Explanation:

The herd has not reached its carrying capacity because the growth rate is negative. Hence option c is correct.

Ecosystem is defined as a location where a bubble of life is created by the interaction of plants, animals, and other species with the weather, topography, and other factors. In ecosystems, biotic and abiotic factors or nonliving components coexist. Human welfare and survival depend on healthy terrestrial ecosystems because they give us access to critical goods and advantages.

Clumps can disperse in a region when there is an unequal distribution of resources like food, water, moisture, temperature, or other materials. the three benefits that one organism might get by coexisting in a population with clumped dispersal. There is more access to food resources, less movement required for individuals to find mates, and improved predator protection for organisms.

Thus, the herd has not reached its carrying capacity because the growth rate is negative. Hence option c is correct.

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Answer:

an organism's complete set of genes.

Explanation:

Answer:

Los fósiles, una prueba de la evolucion. El estudio de los fósiles nos da una idea muy directa de los cambios que sufrieron las especies al transformarse unas en otras; existen muchas series de fósiles de plantas y animales que nos permiten reconstruir cómo se fueron adaptando a las cambiantes

Explanation:

Answer:

homologous: have identical position, value, or structure

Fossils: In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms.

Explanation:

The evolution theory is supported by multiple sorts of evidence: homologous structures show common ancestry, whereas similar selective pressure will manufacture similar variations. analogous structures (beneficial features).

In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms. This supports Darwin's organic process theory, whereby straightforward life forms {progressively|increasingly|more and additional} evolved into more advanced. Proof of adolescence forms comes from fossils.

Answer:

attarction between a codon

Explanation:

Answer:

Biological diversity - or biodiversity - is the term given to the variety of life on Earth and the natural patterns it forms. The biodiversity is the fruit of billions of years of evolution, shaped by natural processes and, increasingly, by the influence of humans.

Explanation:

Biodiversity is important to humans for many reasons. ... Ecological life support— biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services. If no changes are made in the ways humans use resources on earth, there will continue to be a degradation of biodiversity until human lives can no longer be sustained. Humans affect biodiversity by their population numbers, use of land, and their lifestyles, causing damage to habitats for species.

If the efferent arteriole is constricted with a vascular clamp, the most likely change in the glomeruli is a decrease in the filtration coefficient (KT).

The filtration coefficient (KT) represents the permeability of the glomerular capillary wall and is a key factor influencing the filtration of fluid and solutes in the glomeruli.

When the efferent arteriole is constricted, it causes an increase in resistance to blood flow out of the glomerulus.As a result of efferent arteriole constriction, the hydrostatic pressure in the glomerular capillaries increases.

This elevated pressure opposes the movement of fluid across the capillary wall and into the Bowman's capsule, leading to a decrease in the net filtration pressure. The decrease in net filtration pressure, in turn, reduces the filtration coefficient (KT).

Other Starling forces, such as the glomerular hydrostatic pressure (PGC), Bowman's capsule hydrostatic pressure (PBC), and Bowman's capsule oncotic pressure (πBC), may also be affected by efferent arteriole constriction, but the primary change that directly impacts the glomerular filtration rate is the decrease in the filtration coefficient (KT).

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Answer:

The longitude of the location of the ship is W

Explanation:

Here we have the time at the prime meridian as 2 pm while the time at the ship is 10 am. What this means is that the prime meridian is 4 hours ahead of the time of the location of the ship. Geographically, whenever a location is east of the prime meridian, it is ahead of the prime.