How would removing endangered species impact diversity of the ecosystem.
Explain.

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The explanation for the superiority of secondary immune response over primary response to the same antigen is that the former recognizes an antigen on the second encounter and starts the immune response as Memory B-cells are already present.

The immune response is divided into two categories: primary and secondary. The first time an antigen enters the body, the primary immune response occurs.

During the primary immune response, the immune system recognizes the antigen and reacts to it by producing antibodies. This response takes a few days to begin, and it peaks in about 1-2 weeks. Antibodies are released in small quantities, and their production is slow.

B-cells, which are a type of immune cell, recognize and bind to the antigen during this process. Once the antigen is eliminated, most B-cells die, and the rest become memory B-cells.

The second time the same antigen enters the body, the secondary immune response occurs. Memory B-cells are already present in the body and recognize the antigen, which results in a more rapid and stronger response.

As a result, antibodies are produced more quickly, and their levels are higher. As a result, the immune response is much quicker and greater than the primary response to the same antigen.

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Answer:

Explanation:

do you have the answer all ready or you still need it

Answer: visual symbolization and A question is when you ask something and the hypothesis is your guess answer to the question

Explanation: hope this help

Answer:

What happened to CFC amounts for the years 1975 to  1991: CFCs increased. What happened to CFC amounts for the years 1991 to  2015: CFCs slowly decreased. Which health benefit is most likely to occur due to  reductions in air pollution such as CFCS?: reduces asthma rates

Explanation:

Hope this helped!

CFCs increased

CFCs slowly decreased

reduced asthma rates

Answer:

Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together.

This distribution of fossils led to theories that the southern continents were once joined in a supercontinent called Gondwana.

Fossils tell us when and where plants and animals once existed. Some life "rode" on diverging plates, became isolated, and evolved into new species. Other life dispersed to new areas as continents reconnected, oceans narrowed, or chains of volcanic islands formed. Finding identical or similar fossils in areas separated by vast distances were some of the first clues that scientists used to reconstruct past plate movement. This distribution of fossils led to theories that the southern continents were once joined in a supercontinent called Gondwana.

Answer:

photosynthesis is the process of making food by plant in presence of sunlight and chlorophyll in necessary condition is called photosynthesis .

i think its strength are,

1. it converts the light energy, co2and water inthe form of glucose.

2. it manufactures oxygen during this process.

some weakness are,

1. if there is no sunlight then this process cannot be performed.

2. it may take a long time to do this process.

hope it helps uh..

Answer:

The model’s strength is that it clearly shows that the process is quite complicated and that it takes place in different parts of the chloroplasts. It also shows most of the major molecules produced. But it doesn’t show the major steps of the Calvin cycle, so that’s a weakness of the model. It also doesn’t clearly show the process of the electron transport chain.

Explanation:

plato answer.

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The given statement "enveloped viruses are released from the host cell by lysing the host cell which results in immediate cell death." is False.

Enveloped viruses:

Enveloped viruses can be released from the host cell by both lytic and non-lytic processes, such as the budding process. The budding process allows the virus to exit the host cell without immediately causing cell death. During the budding process, the virus acquires its envelope from the host cell membrane, and the newly formed virus particles then leave the cell. This process allows the host cell to remain alive and continue producing more viruses. Lysis of host cell refers to the destruction of the cell, which is more commonly associated with non-enveloped viruses.

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To find the growth rate (r) between 1955 and 2013, we can use the exponential growth formula:

N = N0 * (1 + r)^t

Where:

N0 is the initial population in 1955,

N is the population in 2013,

r is the growth rate,

t is the time in years.

We are given that N0 = 25 and N = 500. We need to find r.

500 = 25 * (1 + r)^58 (since 2013 - 1955 = 58)

Dividing both sides of the equation by 25:

20 = (1 + r)^58

Taking the 58th root of both sides:

(1 + r) ≈ 20^(1/58)

Calculating the approximate value on the right side:

(1 + r) ≈ 1.0293

Subtracting 1 from both sides:

r ≈ 0.0293

Therefore, the growth rate (r) between 1955 and 2013 is approximately 0.029, which is equivalent to 2.9%.

The correct answer from the options provided is 0.029.

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Answer:

The ampullae detect electric fields in the water, or more precisely the potential difference between the voltage at the skin pore and the voltage at the base of the electroreceptor cells.

Explanation:

The falx cerebri projects into the longitudinal fissure.

The falx cerebri is a fold of dura mater, a tough membrane that covers and protects the brain. It projects into the longitudinal fissure, which is a deep groove that separates the two cerebral hemispheres of the brain. The falx cerebri extends downward from the skull along the midline, dividing the brain into left and right hemispheres. Its presence within the longitudinal fissure provides additional support and stabilization to the cerebral hemispheres, helping to maintain the structural integrity of the brain.

Therefore, option c. longitudinal fissure is correct.

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Answer:

A. The speed of the train increased as the height of the

train decreased

Explanation:

D. deep below ground, after being exposed to extreme heat and pressure

Answer:

It D. Deep below ground, after being exposed to extreme heat and pressure

Explanation:

I hope it helps

IF your confued with the other one.

West Virginia compared to that of Virginia does not feature a process for initiated constitutional amendments in their constitution.

A constitution is described as the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organization or other type of entity and commonly determine how that entity is to be governed.

The state of west Virginia has some differences in their constitutional amendment processes which is means that they do not feature the process for initiated constitution amendment.

Therefore in conclusion, amendments in West Virginia can only be put on the ballot done either through referral by the legislature or by a constitutional convention.

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Answer: Signal Transduction

Explanation: A biochemical cascade, also known as a signaling cascade or signaling pathway, is a series of chemical reactions that occur within a biological cell when initiated by a stimulus.  This occurs in the second step of cell signaling.

The ability of a cell to keep its membrane intact and regulate molecular movement is crucial for maintaining its structural integrity, carrying out essential cellular processes, and surviving in its environment. The cell membrane, also known as the plasma membrane.

The ability of a cell to maintain its structural integrity and to regulate the movement of molecules in and out of its membrane is crucial for its survival and proper function. The cell membrane, also known as the plasma membrane, is a selectively permeable barrier that allows certain molecules to enter or exit the cell while keeping others out. This process is facilitated by various proteins, channels, and pumps that are embedded in the membrane.The integrity of the cell membrane is maintained through several mechanisms, including the synthesis of new membrane components, repair of damaged areas, and the removal of excess or damaged membrane components. The regulation of molecular movement is also important for maintaining homeostasis within the cell. Cells are constantly exchanging molecules with their surroundings, and maintaining the right balance of ions and nutrients is crucial for proper cellular function. The ability to regulate the movement of molecules is essential for processes such as osmoregulation, ion transport, and nutrient uptake.

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A protozoan that can form a cyst would be well adapted for survival in several environments. Cysts are protective structures that allow protozoans to withstand unfavorable conditions and enhance their survival chances.

The environments where a protozoan that can form a cyst would be well adapted for survival include:

a. Human blood: Protozoans that are capable of forming cysts can survive in human blood, which is a nutrient-rich environment for many types of protozoans. Forming a cyst allows them to protect themselves from host immune responses and other adverse conditions.

b. The acidic pH of the stomach: Protozoans that can form cysts may be able to survive the acidic pH of the stomach, which is a hostile environment for many organisms. The cyst provides a protective barrier against the acidic conditions and allows the protozoan to survive and potentially infect the host.

c. Dry soil lacking water or nutrients: Protozoans that can form cysts are well adapted to survive in dry soil lacking water or nutrients. The cyst acts as a protective barrier, allowing the protozoan to withstand desiccation and lack of nutrients until favorable conditions return.

d. A nutrient-rich pond: Protozoans that can form cysts may also be well adapted to survive in a nutrient-rich pond. When conditions in the pond become unfavorable, such as during periods of low nutrients or extreme environmental changes, the protozoan can form a cyst to protect itself and survive until conditions improve.

In summary, protozoans that can form cysts are well adapted for survival in various environments, including human blood, acidic stomach pH, dry soil lacking water or nutrients, and nutrient-rich ponds. The ability to form cysts enhances their survival chances by allowing them to protect themselves from adverse conditions and remain dormant until favorable conditions return.

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Forensic DNA examination found the earliest known ancestors of modern dogs occurred 30,000 years ago. DNA is a double-stranded molecule that stores genetic information in most living organisms.

It is one of the fundamental building blocks of life. It consists of four chemical bases: adenine, guanine, cytosine, and thymine. They are arranged in a specific order to create a genetic code. The genetic code in DNA encodes the information that is required to develop and maintain living organisms.

An ancestor is an individual from whom a person is descended. It can be a family member from the past, a predecessor or antecedent, or an individual who is the originator of a particular genetic line. The term ancestor is frequently used in genealogy, a field of study that explores family trees.

Forensic DNA examination:Forensic DNA examination is the use of DNA analysis to aid in the identification of individuals. DNA can be extracted from various sources, including hair, blood, semen, saliva, and tissue samples. This technique has proven to be useful in forensic investigations because DNA is unique to each individual, making it an excellent tool for identifying suspects or victims.

The earliest known ancestors of modern dogs occurred 30,000 years ago. Dogs are thought to be the first domesticated animals, with evidence of domestication dating back to the early Paleolithic period. The earliest known ancestors of modern dogs were gray wolves that lived in Eurasia. Over time, humans domesticated these wolves, leading to the creation of the first dog breeds.

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Answer: Oxygen Isotopes!

Explanation:

I just took the quiz and I got it correct!

Carbon and oxygen Isotopes are the two atoms present in shells of single-celled plankton that sank to the bottom of the ocean.

The shells of single celled plankton is made up of calcium carbonate or from tiny grains of sand stuck together. Mostly, they are made of calcium carbonate and we know that carbonate is formed from one carbon atom and three oxygen atom.

So we can conclude that carbon and oxygen Isotopes are the two atoms present in shells of single-celled plankton that sank to the bottom of the ocean.

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It's False. Exons do not encode proteins, contrary to popular belief. Exons are the regions of DNA (or RNA) that encode for proteins.

A section of the genome called an exon is found inside an mRNA molecule. Exons can either be coding or non-coding, depending on whether they contain the instructions needed to make a protein. Exons and introns make up the genes in the genome.

Exons are the segments of mRNA that are spliced together after introns are eliminated by the spliceosome. Introns are non-coding regions of an RNA transcript or the DNA encoding it that are spliced off before the RNA molecule is translated into a protein.

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The allopatric speciation model is a process by which new species are formed through geographic isolation.

The process occurs when a population of organisms is separated from other members of the same species by a physical barrier, such as a mountain range or body of water. Over time, the separated populations may accumulate genetic differences, ultimately resulting in distinct species.
Intraspecific variation plays a crucial role in this process because it is the genetic variation within a single species that allows for evolution to occur. This variation is the result of mutations, genetic recombination, and other mechanisms that can introduce new genetic traits into a population. Over time, these variations can accumulate and ultimately lead to the development of new species.
Geographic isolation is also a critical factor in the allopatric speciation model. When populations of organisms are separated by geographic barriers, they are no longer able to interbreed, which can lead to the accumulation of genetic differences over time. As the populations become more genetically distinct, they may develop unique adaptations to their environment, ultimately resulting in the formation of new species.

Thus, allopatric speciation is a process by which new species are formed through geographic isolation, and intraspecific variation plays a crucial role in this process. As populations become more genetically distinct, they may develop unique adaptations, ultimately leading to the formation of new species.

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Answer:

Haha same here! I see the question then my mind.... just goes blank;)

Explanation:

Answer: In the respiratory system, the air taken in contains oxygen that crosses the lung tissue, enters the bloodstream, and travels to organs and tissues. There, oxygen is exchanged for carbon dioxide, which is a cellular waste material. Carbon dioxide exits the cells, enters the bloodstream, travels back to the lungs, and is expired out of the body during exhalation. The circulatory system is a network of vessels—the arteries, veins, and capillaries—and a pump, the heart. Arteries take blood away from the heart. The main artery of the systemic circulation is the aorta; it branches into major arteries that take blood to different limbs and organs. Veins are blood vessels that bring blood high in carbon dioxide back to the heart. Veins are not as thick-walled as arteries, since pressure is lower, and they have valves along their length that prevent backflow of blood away from the heart.

Answer: The English settlers brought it over from England when they brought supplies to start a new life over

Explanation:

The possible combination of alleles in the gametes of the cell would be AB, Ab, aB, and ab. Option A.

When two genes assort independently, it means the inheritance of one does not affect the other. Each gene is inherited independently without any form of interference from the other. This is what constitutes Mendel's second law of genetics.

In the illustration, two genes are present in the cell - gene Aa and gene Bb. The two genes are assumed to be independently assorting. Thus, during gamete formation:

Aa will segregate into its alleles - A and a.

Bb will also segregate into its alleles - B and b

During gamete formation, the alleles will unite randomly to produce the following:

A and B = AB

A and b = Ab

a and B = ab

a and b = ab

Thus, the possible combinations of alleles that could be found in the gametes are AB, Ab, aB, and ab.

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The fertilizer must be added according to the land space available.

The reason why a farmer would have to add fertilizer to the farm is so that there would be a better yield of the crops that the farmer is trying to plant. It is true that there are nutrients in the soil but they often need to be supported by the use of fertilizer.

Actually, we can find out that fertilizer is added on the bassi of the kind of space that the land occupies. You can't add more fertilizer than the availaible space. This is why the farmer decided that there was no need to add more than 60 kg of fertilizer for Hector.

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Thymus gland has functions as part of the endocrine system by secreting a hormone that functions as part of the endocrine and immune system.

Answer:

Plants!

Explanation:

Plants are the only other heterotrophs in all the kingdoms.

Hope this helps!

Answer:

protist

Explanation:

thank you francesca81