Is overfishing density dependent or density independent? (WILL GIVE BRAINLY + 20 points)
Answers
Answer: Overfishing is density dependent.
Overfishing is density dependent because as the number of fish decreases, the negative effects of overfishing become stronger. When there are a lot of fish, they can reproduce and replenish their population. However, if too many fish are caught and the population becomes small, it becomes difficult for them to reproduce enough to sustain their numbers. This makes the impact of overfishing even more harmful and harder for the fish population to recover.
Related Questions
whole blood collected from a donor should remain at what temperature before the separation and preparation of platelet concentrates?
Answers
Whole blood collected from a donor should remain at room temperature (20-24°C) before the separation and preparation of platelet concentrates.
Platelets (also known as thrombocytes) are small, disk-shaped blood cells that play a critical role in blood clotting and wound healing. They are produced in the bone marrow along with red blood cells and white blood cells. Platelets are essential for preventing blood loss from damaged blood vessels and promoting healing of injured tissues.
Prolonged exposure to cold temperatures of donated whole blood can cause platelet dysfunction, which can result in reduced survival and efficacy of the platelets. Keeping the whole blood at room temperature also allows for proper mixing of the anticoagulant used to preserve the blood, ensuring that the platelets are protected from activation and clumping.
The American Association of Blood Banks (AABB) recommends that whole blood should not be refrigerated and should be processed within 4 hours of collection.
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True or false? Water molecules move into and out of cells through the cell membrane by active transport.
Answers
Answer:
True,
Explanation:
Active transport is the movement of dissolved molecules into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. uptake of ions from soil water by root hair cells in plants.
I hope this helps.
Which of the following is not a level or component of bioidiversity?
O species
genetic
population
O ecosystem
Answers
Answer:
genetic
Explanation:
does genetic and population separeted
unlike rna, dna does not include which nucleotide base?
Answers
The answer is uracil.
Unlike RNA, DNA does not include the nucleotide base Uracil (U). Therefore, Uracil is not a nucleotide found in DNA.
DNA has four nucleotide bases: adenine, cytosine, guanine, and thymine. Uracil (U) replaces thymine in RNA. Besides the methyl group, thymine and uracil are structurally identical.
Uracil and thymine make two hydrogen bonds with adenine in RNA and DNA, respectively. DNA and RNA have different activities in physiological processes such replication, transcription, and translation due to their nucleotide bases.
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How do homologous features display evidence of divergent evolution
Answers
answer
Homologous structures are present in many different species that share a common ancestor. the structure are anatomically similar and persist in the different species.
This is evident of divergent evolution because it shows that different animals come from a common ancestor but evolve o become different species from each other.
Explain proteinsynthesis in detail.
Answers
Protein synthesis is the process by which cells create proteins. It occurs in two stages: transcription and translation. In transcription, the DNA sequence of a gene is transcribed into a complementary RNA molecule. In translation, the RNA molecule is read and used to synthesize a specific protein molecule.
During transcription, the DNA double helix unwinds and the enzyme RNA polymerase reads the gene's DNA sequence and creates a single-stranded RNA molecule with a complementary sequence. This RNA molecule is called messenger RNA, or mRNA, because it carries the information needed to synthesize the protein from the nucleus to the ribosomes in the cytoplasm.
Translation occurs at the ribosomes, which are complex structures made up of RNA and protein. The ribosomes read the nucleotide sequence of the mRNA molecule and use it to synthesize the protein. Each sequence of three nucleotides, called a codon, corresponds to a specific amino acid, the building blocks of proteins. The ribosomes read the mRNA sequence and add the corresponding amino acids in the correct order to synthesize the protein.
Protein synthesis is essential for the growth and repair of cells, as well as for the production of enzymes and hormones that are necessary for the proper functioning of the body. It is a complex process that requires the coordination of many different molecules and cellular structures.
What type of lava is produced?
Answers
Answer:
Mafic or basaltic lavas are typified by their high ferromagnesian content and generally erupt at temperatures in excess of 950 °C (1,740 °F). Basaltic magma is high in iron and magnesium and has relatively lower aluminium and silica, which taken together reduces the degree of polymerization within the melt
Explanation:
What is the central step in the process of gene therapy.
2) what is the difference in relative protein coding capacity of bacterial and eukaryotic genomes?
3) Why are gene families important.
Answers
The central step in the process of gene therapy is the delivery of the therapeutic gene into the target cells, which can be achieved through various methods such as viral vectors or non-viral methods.
In gene therapy, the central step is the delivery of the therapeutic gene into the target cells. This can be achieved through the use of viral vectors, which are modified viruses that can deliver the desired gene into the cells, or non-viral methods such as direct injection or electroporation. This step is crucial as it ensures that the therapeutic gene reaches the target cells and can be integrated into their genomes or produce the desired therapeutic effect.
Bacterial genomes generally have a higher relative protein coding capacity compared to eukaryotic genomes. Bacterial genomes are often smaller and more compact, consisting primarily of protein-coding genes and containing fewer non-coding regions. On the other hand, eukaryotic genomes are larger and more complex, with a significant portion of their DNA consisting of non-coding regions such as introns and regulatory sequences. These non-coding regions contribute to the regulation and control of gene expression but do not directly code for proteins. Therefore, bacterial genomes have a higher proportion of protein-coding regions, resulting in a higher relative protein coding capacity.
Gene families are groups of genes that share a common ancestral origin and have similar sequences and functions. They are important because they provide functional diversity and evolutionary adaptability. Gene families can undergo events, resulting in multiple copies of genes with similar functions. They play a crucial role in processes such as development, immune response, and disease resistance by providing a repertoire of genes with different functions and allowing for fine-tuning and specialization.
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what allows for differences between individuals due to differences in inherited DNA?
a. genetic variation
b. meiosis
c. interphase
d. mitosis
Answers
For many years, scientists thought that the universe was static—that it had always existed and been the same, and it was neither expanding nor contracting. Then, in the late 1920s, Edwin Hubble recognized that the shift in light from distant objects toward the red end of the spectrum meant that those objects were moving away from Earth. The best explanation for these observations was that the universe was not static but was expanding. More recent observations, such as cosmic background radiation, are also better explained by an expanding universe rather than a static universe. What aspect of scientific methodology best explains the replacement of the static universe theory with the expanding universe theory?
A Science and its methods are always improving. Scientists needed newer, more sensitive instruments to detect the slow expansion of the universe.
B Hubble’s observations were extremely popular with the public, leading to overwhelming support for the new theory.
C The new theory explained Hubble’s observations, and it was tested and supported by additional observations. The theory was accepted because it was the most powerful explanation available for many observations.
D The natural progression of science is that all theories are eventually replaced by new theories until one is established as law
Answers
Answer:
C
Explanation:
B has nothing to do with the scientific method. The public does not determine a scientific law. Facts do.
D may be sort of true, but it does not explain Hubble's process. Nor does it explain what Hubble actually did and how he reported it. D is incorrect.
A was never implied (although it is likely true. On the other hand, many great scientific principles are uncovered with very simple apparatus.) A might be 1/2 true.
I think the best answer is C. It is general enough to be accepted. There are two theories mentioned. So C is the best answer.
1.
The fox population in a certain region has an annual growth rate of 5 percent per year. It is estimated that the population in the year 2000 was 23500 . (a) Find a function in the form \( P(t)=a b^{t}
Answers
The fox population can be modeled using an exponential growth function of the form P(t) = ab^t, where P(t) represents the population at time t, a is the initial population, b is the growth factor, and t represents the number of years.
In this case, the population in the year 2000 was given as 23500. We can use this information to find the values of a and b in the exponential growth function. Since the population has an annual growth rate of 5 percent, the growth factor (b) would be 1 + growth rate = 1 + 0.05 = 1.05.
To find the value of a, we substitute the given population value for the year 2000 into the exponential growth function: P(0) = ab^0 = a(1.05)^0 = a. Therefore, a = 23500.
Now we have the values of a and b, and the exponential growth function for the fox population becomes P(t) = 23500 * (1.05)^t, where t represents the number of years since the year 2000.
This function can be used to estimate the fox population for any given year after 2000 by substituting the desired value of t into the equation.
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Study the given diagram .Is this an animal cell or a plant cell? Explain your
answer?
Answers
Answer:
This is a plant cell structure
Which US state featured in the map is most likely to lose its forests due to mining?
Answers
Answer:
California
Explanation:
I took this test on Plato
California US state featured in the map is most likely to lose its forests due to mining
What is mining ?
Mining shows negative and positive impact on the envrionment but negative impacts are higher than positive impact on the environment.
Mining activities such as mine discovery, exploration, construction, operation, maintenance, expansion, abandonment, decommissioning and conversion can have a variety of direct and indirect impacts on social and environmental systems.
Land-use changes can result from mine exploration, construction, operation, and maintenance, and these changes can have adverse effects on the environment.
For example, deforestation, erosion, contamination of nearby streams and wetlands, soil profile changes, noise, dust and increased emissions can occur.
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Select the correct answer.
Which city on the map above is most likely to experience a cold front pass through it in the next few days?
Answers
The city on the map above that is most likely to experience a cold front pass through it in the next few days is New York.
What is a cold front ?A cold front is described as the leading edge of a cooler mass of air at ground level that replaces a warmer mass of air and lies within a pronounced surface trough of low pressure.
Temperature differences across the boundary can exceed 30 °C from one side to the other and if enough moisture is present, rain can occur along the boundary.
It is a known fact that when a cold front passes through, temperatures can drop more than 15 degrees within the first hour.
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earths population continues to grow daily. which of the following statements best illustrates a possible consequence of such rapid growth?
Answers
The statement that describes that Earth's population is growing daily and it's possible consequence is that people will begin using fossil fuels less.
Population is outlined as all nationals gift in, or quickly absent from a rustic, and aliens for good settled in a very country. This indicator shows the quantity of individuals that sometimes sleep in a region. Growth rates are the annual changes in population ensuing from births, deaths and internet migration throughout the year.
Fossil fuels are made up of moldering plants and animals. These fuels are found within the Earth's crust and contain carbon and chemical element, which might be burned for energy. Coal, oil, and fossil fuel are samples of fossil fuels.
The question is incomplete, find the complete question here
Earths population continues to grow daily. which of the following statements best illustrates a possible consequence of such rapid growth?
More oxygen will be available in the atmosphere.
Competition for natural resources will increase.
More land will be available for human habitation.
People will begin using fossil fuels less.
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Which resource does NOT need to be cycled by ecosystems because a continuous, unlimited supply is available? a. solar energy b. water c. pollinators d. carbon e. natural gas
Answers
Answer:
a. solar energy
Explanation:
as it comes from the sun
Based on the food chain, identify the primary consumer.
A)
frog
B)
grass
sunlight
D)
grasshopper
Answers
Answer:
grasshopper
Explanation:
Because primary consumers are heterotrophs that feed on producers
cancer, the uncontrolled growth of cells, often results in a tumor, or mass of abnormal cells. some cancerous tumors consist of many cells that are much smaller than normal. according to model 1 (cell cycle), what part of the cell cycle is most likely being affected
Answers
A tumor, or mass of abnormal cells, is frequently produced by cancer, which is the unchecked development of cells. Some malignant tumors are made up of several, drastically smaller-than-normal cells. Which phases of the cell cycle are probably being impacted is Mitosis in
G1 phase.
The protracted growth phase of the cell cycle before cell division in mitosis (M phase), known as interphase, is made up of the G1 phase, S phase, and G2 phase .
The cell expands in size and produces the mRNA and protein needed for DNA synthesis during the G1 phase. The cell moves on to the S phase of the cell cycle once the necessary proteins and growth have been produced. Numerous distinct cell types differ in the length of each phase, including the G1 phase. The cell cycle in human somatic cells lasts roughly 10 hours, while the G1 phase is known as the phase in Xenopus embryos, sea urchin embryos, and Drosophila embryos.
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Place these steps in order from start to finish:
A) electron transport chain creates NADPH and ATP energy
B) 3c molecule broken by ATP into 5c molecule
C) PGA created when 6c molecule broken down
D) water broken into H+, e-, and O components
E) sunlight causes chlorophyll electrons to flow into thylakoid F) 3c molecule bonds to create glucose
G) CO2 bonds with RuBP
Answers
2.D
3.A
4.G
5.C
6.F
7.B
(I’m not sure if it’s 100% correct but still hopes it helps)
What is it called when a drug is no longer effective but organism is susceptible in vitro?
Answers
When a drug is no longer effective but an organism is susceptible in vitro, it is called intermediate.
What is it known as when a drug loses its effectiveness but an organism is still susceptible in vitro?When a bacterial strain is susceptible in vitro to a concentration of an antibiotic drug that is linked to a questionable therapeutic effect, it is said that the bacterium's sensitivity to that antibiotic is intermediate. Thus, When a drug is no longer effective but an organism is susceptible in vitro, it is called intermediate.The designation "intermediate" suggests that while the same antibiotic may not be sufficiently effective against the same organism if it is located in other places, such as the meninges, it may readily be eliminated in bodily compartments that are easily accessible by the medicine, such as the urinary tract.To learn more about susceptibility refer:
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If a mutation occurs during the dna replication process of an intestinal cell undergoing mitosis then predict the most likely outcome
Answers
The ________ is a highly conserved amino acid sequence found in immunoglobulin, tcr, and mhc proteins.
Answers
Answer: I have no idea
Explanation:
but good luck
The graph below shows the speed of a ball rolling over uneven ground.
Forces, Motion, & Speed (6.8B,C&D):Question 7
According to the graph, at which time interval was the ball moving the
FASTEST?
Speed of Ball and Distance Traveled
10
8
Select one: -
Distance (meters)
between seconds 3 and 4
between seconds 0 and 1
Time (seconds)
between seconds 4 and 5
O
between seconds 1 and 2
Answers
Answer:
It is Distance (meters)
between seconds 3 and 4
Explanation:
I had this on my test last week
Which of the Hardy-Weinberg conditions are usually valid for most populations?
Answers
The Hardy-Weinberg equilibrium consists of five conditions that must be met in order for the frequency of alleles in a population to remain constant from generation to generation.
What are the Hardy-Weinberg conditions ?These conditions are:
Large population size: The population must be large enough to prevent the effects of genetic drift.No mutations: There must be no mutations that alter the frequency of alleles in the population.No gene flow: There must be no migration into or out of the population, which would bring in new alleles.No selection: There must be no natural selection favoring or eliminating certain alleles.Random mating: There must be random mating, meaning that individuals mate with each other based on chance rather than preference.Of these conditions, it is generally difficult to meet all of them in real populations, as most populations are subject to some form of genetic drift, mutation, gene flow, selection, or non-random mating. Therefore, it can be argued that none of the Hardy-Weinberg conditions are usually valid for most populations.
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How many setae are on each segment of the earthworm.
Answers
Where would a park ranger most likely tell hikers and campers not to build a campfire?(1 point)
in areas with cold temperatures and frozen ground
in areas with high winds and drought
in areas where there are clouds and rain is falling
in areas where there is lots of sand and little vegetation
Scientists can help determine areas likely to have wildfires by using satellites to figure out much humidity is in the air. What does humidity measure?(1 point)
the types of clouds found in the air
the amount of water vapor in the air
the temperature of the air
the speed of wind caused by the air
A group of campers want to ensure they have a safe campfire, reducing the chances for it to spread into a wildfire.
What should they do to minimize the risk of the campfire causing a wildfire?
(1 point)
keep buckets of sand nearby in case the fire spreads
remove any dried leaves or sticks from areas around the fire
have campers wake up to check the fire every five hours at night
have several small campfires in the same area
One way to limit the spread of wildfires is to create a defensible space. What is a defensible space?(1 point)
a fire set on purpose to clear land and remove dead vegetation
creating a path in the woods that leads out of a wildfire
clearing vegetation and other materials that could catch fire away from buildings
an area with stored water to fight wildfires
Answers
Wild fire refers to a fire that can spread speedily if not controlled.
What is temperature?Temperature refers to the degree o hotness or coldness of a body. We shall now answer the questions individually.
1) A park ranger would most likely tell hikers and campers not to build a campfire in areas with high winds and drought because of the possibility of a wild fire.
2) The humidity measures the amount of water vapor in the air.
3) In order to minimize the possibility of the spread of fire, they must remove any dried leaves or sticks from areas around the fire.
4) A defensible space is creating a path in the woods that leads out of a wildfire.
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why stomata cannot absorb rainwater?
I need a clear and good answer, please
I will mark the brainliest if the one makes a perfect one
Answers
Stomata cannot absorb rainwater because they are specialized structures on the surface of plant leaves that are designed to regulate gas exchange and transpiration, not to absorb water.
Stomata are small pores on the surface of plant leaves that allow for the exchange of gases, such as carbon dioxide and oxygen, between the plant and the atmosphere. These pores are surrounded by specialized cells, known as guard cells, which can open and close the stomata to regulate gas exchange and water loss through transpiration.
While stomata play an important role in regulating the water balance of plants, they are not designed to absorb water directly from the environment. Instead, plants absorb water through their roots, which transport water and nutrients throughout the plant. Rainwater that falls on the surface of plant leaves can be absorbed by the cuticle, a waxy layer that covers the surface of the leaf, but it cannot be absorbed directly through the stomata.
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2. ATP generally energizes a cellular process by
a. Releasing heat upon hydrolysis.
b. Acting as a catalyst.
c. Coupling free energy released by ATP hydrolysis to free energy needed by other
reactions.
d. Breaking a high-energy bond.
e. Binding directly to the substrate(s) of the enzyme.
Answers
According to the research, the correct answer is Option C. ATP generally energizes a cellular process by coupling free energy released by ATP hydrolysis to free energy needed by other reactions.
What is ATP?It is a nucleotide that is essential for cells to obtain energy through an energy transfer process known as phosphorylation.
In this sense, the release of energy generally develops in a controlled manner where part of said energy is incorporated into ATP molecules that, thanks to this process, can be used in endothermic processes such as anabolism (the maintenance and development of the organism).
Therefore, we can conclude that according to the research, the ATP is hydrolyzed whose energy that is released serves to fuel the endergonic reactions.
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the second stage of the birth process is called __________ and lasts about __________. labor; 15 to 30 minutes delivery; 30 to 60 minutes transition; 1 to 5 hours crowning; 12 to 24 hours
Answers
The second stage of the birth process is called delivery, and it typically lasts about 30 to 60 minutes.
The birth process is typically divided into three stages: the first stage, the second stage, and the third stage. The second stage of labor begins when the cervix is fully dilated (10 cm) and ends with the delivery of the baby.
During the second stage of labor, the mother experiences strong contractions that push the baby through the birth canal and out of the vagina. The mother may also experience a strong urge to push during this stage. The length of the second stage can vary depending on several factors, including the position of the baby, the size of the mother's pelvis, and the strength of her contractions.
Once the baby is delivered, the third stage of labor begins with the delivery of the placenta. This stage typically lasts only a few minutes and is relatively quick and painless compared to the preceding stages.
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Which activity of the polymerase is responsible for degrading the pre-genomic rna during hepatitis b dna replication?.
Answers
RNase H activity of the polymerase is responsible for degrading the pre-genomic rna during hepatitis b dna replication.
What is the function of polymerase?DNA polymerases' major function is to efficiently and properly replicate the genome in order to maintain the genetic code and ensure that it is faithfully passed down through the generations.
What does DNA polymerase do?A double-stranded DNA molecule is duplicated into two identical DNA molecules during the process of DNA replication, which is carried out by DNA polymerase. With the help of the polymerase chain reaction, generally known as PCR, scientists have been able to duplicate DNA molecules in test tubes.
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