Any whole group that shares at least one trait is referred to be a population. People do not make up all populations. Populations can include, but are not limited to, individuals, animals, organizations, structures, buildings, cars, farms, objects, or occasions.
In science, what is a population?a community's inhabitants who belong to the same species as one another. A population's characteristics are influenced by things like density, sex ratios, birth and death rates, emigration, and immigration.
What kind of population would that be?A population can be all the students at a particular school. All of the pupils enrolled at that school at the time of data collection would be included.
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Plant hormones travel around plants in vessels called xylem. Hormones also move from cell to cell in plants by diffusion or active transport. Where are hormones produced in animals, and how are they transported throughout the body?.
Answer: Animal hormones are frequently synthesized in specialized hormone-synthesizing glands. Hormones are subsequently produced from the glands into the bloodstream and distributed throughout the body.
Explanation: Most hormones are released into the bloodstream to exercise their effects on distant target tissues. However, there are major exceptions, such as self-contained portal circulations, which direct blood to a single location. A capillary bed is where portal circulation begins. As the capillaries move out from the capillary bed, they join together to form a network of veins, which subsequently divide to form a second capillary bed. As a result, blood collected from the first capillary bed is only directed into tissues nourished by the second capillary bed.
In the human body, there are two portal circulations that transport hormones. The hypothalamic-hypophyseal portal circulation gathers blood from capillaries in the hypothalamus and transports it through a plexus of veins around the hypothalamus.
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In animals, hormones are produced in specialized hormone-synthesizing glands and they transported throughout the body via the bloodstream
In multicellular organisms, a hormone is a class of signaling molecules that are sent to distant organs by intricate biological processes to control physiology and behavior. Animals, plants, and fungi's proper development depend on hormones.
Hormones in plants travel extensively throughout the body via plasmodesmata and vascular tissue (xylem and phloem). Animal hormones, in contrast to hormones produced by plants, are frequently, if not always, synthesized in specialized hormone-synthesizing glands. After that, the glands release the hormones into the bloodstream, where they are distributed throughout the body.
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Please help I will give brainliest
Answer:
its correct option is A)Nucleus
Explanation:
Egg and sperm cells are (blank)
and contain a (blank)
number of chromosomes.
possible answers :
-sex cells, diploid
-gametes, haploid
-body cells, diploid
Answer:
sex cells, diploid
What is the distinguishing characteristic of snails?
The snail is equipped with a spiral-shaped shell that works as armor in any dangerous condition. The entire soft body of the snail moves inside the shell.
The snails come under the gastropods family of Mollusca. They lack a backbone ( invertebrates). The major portion of snails is the head, neck, visceral hump, tail, and foot. The radula serves as the molluscan tongue. The entire organ system is enveloped in an external shell. Snail move on the ground with the help of the muscular feet. The snails have both male and female gender. The external shell is made from the secretion of the mantle of the snail.
Hence, external shell is amusing feature of snail among other organism.
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assume that the global amount of radiocarbon is constant, and that decaying carbon-14 is continuously replaced in organisms when they are alive. however, once an organism dies, the amount of carbon-14 in it decreases continuously as it decays to nitrogen-14. a. the carbon in a buried peat bed has about 6% of the carbon-14 of modern shells. what is the age of the peat bed? explain.
The peat bed is approximately 4,429 years old.
The age of the peat bed can be calculated using the following formula:
Age = t * ln(R_0/R)
Where:
t is the half-life of carbon-14, which is approximately 5,730 years.R_0 is the initial ratio of carbon-14 to carbon-12 in the sample, which is approximately 0.01 in modern shells.R is the current ratio of carbon-14 to carbon-12 in the sample, which is approximately 0.006 in the peat bed (6% of the carbon-14 of modern shells).Plugging these values into the formula gives us:
Age = 5,730 years * ln(0.01/0.006)
Age = 5,730 years * 0.778
Age = 4,429 years
This method of dating, known as radiocarbon dating, is based on the fact that carbon-14 is continuously replaced in living organisms, but once an organism dies, the amount of carbon-14 in it decreases continuously as it decays to nitrogen-14. By measuring the ratio of carbon-14 to carbon-12 in a sample, it is possible to determine how long it has been since the organism died, assuming that the global amount of radiocarbon is constant.
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What are the functions of the mammalian kidney?
Answer: The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine.
Explanation:
The functions of the mammalian kidney are water retention, filtration of blood, excretion of nitrogenous waste, regulation of salt balance in the blood, and production of urea. The correct options are a, b, c, d, and e.
What are kidneys?In vertebrates, the kidneys are two reddish-brown, bean-shaped organs. The nitrogenous wastes, such as urea, salt, and extra water, are removed from the blood by the kidneys, which then excrete them as urine. Wastes and extra fluid are removed from your body by your kidneys.
Additionally, your kidneys eliminate acid that is created by your body's cells and keep the levels of water, salts, and minerals in your blood—such as sodium, calcium, phosphorus, and potassium—in a healthy range.
Therefore, the correct options are
water retention filtration of blood excretion of nitrogenous waste regulation of salt balance in the blood production of ureaTo learn more about kidneys, refer to the below link:
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The question is incomplete. Your most probably complete question is given below:
water retention
filtration of blood
excretion of nitrogenous waste
regulation of salt balance in the blood
production of urea
What are 3 examples of prokaryotic cells?
Blue-green algae, bacteria, and mycoplasma are prokaryotes. Bacteria are the most prevalent and fastest-growing prokaryotes.
What kinds of cells are prokaryotic examples?Unlike prokaryotic cells, eukaryotic cells contain interior cellular bodies. Prokaryotes include different forms of bacteria and archaea. Eukaryotes include protists, fungi, plants, and mammals (everything except prokaryotes).
Prokaryotic cells, where are they?These single-celled organisms are present across the entire planet, from the dirt to human tissue. They differ in their architecture and shapes. The element of the cell wall that gives it structure is called peptiddoglycan. A few of the distinguishing features of bacteria are pili, flagella, and capsules.
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identify a major difference between bacteria and protozoans.
Bacteria comprise a ring of DNA and protozoa comprise a true nucleus with chromosome.
1. Bacterias are prokaryotes but protozoans are eukaryotes.
2. Incidences of bacterias is higher than protozoans.
3. Bactria do not have any membranous envelope while protozoans have membranous envelope.
4. Bacteria do not have true nucleus and protozoan have true nucleus.
5. Bacterias can inhabit in extreme environmental conditions but protozoans can not.
6. The size of bacteria is smaller than the size of the protozoan.
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Fireflies make their light. The light they give off looks green. The spectrum of their light is shown. Describe how you would use a tool to see a firefly’s light spectrum. Explain what the spectrum tells you about the light the firefly gives off. Include a comparison of the wavelengths of the light.
Answer:
To see the spectrum of light given off by a firefly, you could use a spectrometer. This is a tool that separates light into its different wavelengths, allowing you to see the intensity of the light at each wavelength. To use a spectrometer to see a firefly's light spectrum, you would need to capture the light given off by the firefly and shine it through the spectrometer.
The spectrum of a firefly's light would show a peak intensity at the wavelengths that correspond to the green color of the light. This tells us that the firefly's light is primarily made up of green light. The spectrum can also be used to compare the wavelengths of the light given off by the firefly to the wavelengths of other sources of light. For example, you could compare the spectrum of the firefly's light to the spectrum of light from a candle flame or a lightbulb to see how the wavelengths of the light from the firefly compare.
The apex of a firefly's light's spectrum would appear at wavelengths where the light is the color green. This indicates that green light makes up the majority of the firefly's brightness. The spectrum can be used to compare the wavelengths of the firefly's light to the wavelengths of light coming from other sources.
What spectrum tells you about the light of the firefly?A spectrometer could be used to view the firefly's light spectrum. This device divides light into its various wavelengths so that you can observe the strength of the light at each one. You would need to collect the light emitted by the firefly and shine it through the spectrometer in order to use a spectrometer to view the light spectrum of a firefly.
Therefore, To examine how the wavelengths of the light from the firefly compare, you may, for instance, look at the spectrum of its light in comparison compared to the color spectrum produced by a candle flame or a lamp.
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Researchers determined the average amount of time that a particular type of eukaryotic cell spends in each phase of the cell cycle. The data collected by the researchers are represented in Figure 1.
Based on Figure 1, what percent of the time required to complete a full cycle do the cells typically spend in interphase?
The percent of the time required to complete a full cycle do the cells typically spend in interphase is 95%.
Human cells in culture, which divide every 24 hours, represent a normal eukaryotic cell cycle. The cell cycle is separated into two main stages, as seen via a microscope: mitosis and interphase.
Mitosis (nuclear division) is the most dramatic step of the cell cycle, related to chromosomal separation and typically concluding with cell division (cytokinesis).
However, because mitosis and cytokinesis only last about an hour, 95% of the cell cycle is spent in interphase—the interval between mitoses. During interphase, the chromosomes are decondensed and disseminated throughout the nucleus, giving the nucleus a homogeneous appearance.
Interphase, on the other hand, is the moment when cell growth and DNA replication proceed in an orderly manner in preparation for cell division.
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Is atherosclerosis the same as high cholesterol?
No. atherosclerosis is not the same as high cholesterol.
Your blood arteries become clogged with a plaque as a result of elevated cholesterol. Atherosclerosis is the medical term for this plaque development. Atherosclerosis increases the likelihood of developing a wide range of illnesses.
If blood cholesterol levels are excessively high, deposits (plaques) of cholesterol and other compounds may develop on artery walls. An artery may constrict or get blocked as a result of plaque. Whenever a plaque breaks, a blood clot may result.
High blood cholesterol can be caused by a variety of lifestyle choices, such as smoking, eating poorly, and not exercising, as well as underlying medical conditions such as high blood pressure or diabetes.
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Does Claire get addicted?
Jamie discovers Claire unconscious in the first episode of Outlander season 6 and is unable to revive her, which is when Claire starts using ether.
She is ecstatic when she finally awakens because she has succeeded in producing ether, a type of anaesthetic medicine.Due to her ongoing trauma from her experience with Lionel Brown's gang, Claire intended to use her freshly generated ether during surgery on her patients but instead ended up huffing it herself.The drug helps Claire stop experiencing nightmares and seeing Lionel Brown in her hallucinations, but as the season has gone on, Claire's use of the drug has veered dangerously close to addiction.Scientists refer to ether, also known as diethyl ether, as a colourless, fragrant substance that is very.
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A genetic mutation occurs in a rabbit's muscle cell. This genetic mutation will be passed on to.
Ans.
Mutations are permanent changes in genetic material, due to alteration in nucleotide sequence of DNA molecule. Mutations are transferred from parent cell to daughter cells, as when a mutated cell undergoes cell division, the altered DNA get passed to the resulting daughter cells.
Therefore, if a genetic mutation occurs in a muscle cell of rabbit, it will pass to the daughter cells produced by mutant muscle cell.
Thus, the correct answer is option). cells that are produced when the mutant cell divides.
Answer:cells that are produced when the mutant cell divides
Explanation:
Both euglena (a plant like protists) and cyanobacteria (a bacteria) are photosynthetic unicellular organisms found in pond water. The feature that distinguishes euglena from cyanobacteria is the.
Nuclear membranes are a characteristic of euglena that set it apart from cyanobacteria.
An organism with only one cell is said to be unicellular. Typically, cells contain organelles that help the organisms carry out their functions.
A freshwater unicellular (single-celled) organism called Euglena sp. either gets its energy from the sun through photosynthesis or from chemicals in its environment. Blue-green algae, sometimes referred to as cyanobacteria, are microorganisms that produce their own energy through photosynthesis.
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What is the example of biological hazards contamination?
Manuel and three other students are studying the effects of various factors on the growth of plants in a garden. Manuel is asked to investigate the effects of abiotic factors that involve the geosphere. The other three students are investigating effects that involve the biosphere, hydrosphere, and atmosphere.
Which factor would be entirely Manuel's responsibility to investigate?
The size of the rocks mixed into the garden soil would be entirely Manuel's responsibility to investigate.
What is geosphere?The non-living components of the environment, or abiotic influences, have a significant impact on living things. They may assist in figuring out topics like how tall trees grow, the locations of various animals and plants, and the causes of bird migration. Abiotic variables including water, sunshine, oxygen, soil, and temperature are crucial.
The earth's surface and inner landforms, as well as the rocks, minerals, and geosphere are all one and the same. It begins at the surface and descends all the way to the planet's centre. The geosphere serves as a source of natural resources and a location for food production.
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How many phenotypes are possible with 3 genes?
The phenotypes are possible with 3 genes qre the 6 alleles formed from the phenotype.
An excellent example of the inheritance of multiple alleles is the human blood type. Blood types exist in four possible phenotypes.
A, B, AB, O. The gene that determines blood type has three alleles.
You only have 2 out of 3 genotypes --- one from your mom and one from your dad). Genotyping is the assessment of variants present at a particular site (locus) in the genome. It can be represented by a symbol. For example, BB, Bb, bb can be used to represent specific variants of a gene.
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Who does Boxer represent in the Russian Revolution?
The peasant workers of Russia represents the Boxer in the Russian revolution.
The Russian rural workers are symbolised by the boxer. The Tsar Nicholas II, who ruled from 1894 until his expulsion in 1917, took advantage of them. The employees were kept in a position where they could never make enough money to cover their living expenses. Although the 1917 Revolution aimed to solve this issue, during Stalin's control, it actually made things worse and increased famine. Boxer, who has had time to consider the situation, expressed the opinion of the majority when he said, "If Comrade Napoleon says so, it must be true." And from that point on, in addition to his personal adage, "I will work harder," he also adopted the proverb, "Napoleon is always correct."
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Absolute strength gains are typically greatest in
You may do each set with the maximum amount of muscular force feasible when you have a full recovery, which results in the most absolute strength gains.
Another benefit of this rest period is that it seems to boost testosterone levels in seasoned strength athletes who use exercises that target vast muscle groups into their training when combined with heavy training loads. Greater strength gains are correlated with higher testosterone levels.
The complete weight that your body is capable of lifting is your absolute strength. People often equate this with strength. The ability to exert the most power in relation to your bodyweight is referred to as relative strength.
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Euglenas are single-celled organisms. What can you confirm about euglenas from this diagram?
Anatomy of a Euglena consisting of Photoreceptor, Stigma (eyespot), Chloroplast, Nucleus, Cytoplasm, Membrane, Nucleolus, Flagellum, and Contractile vacuole.
A.
They’re exclusively heterotrophs.
B.
They’re capable of photosynthesis.
C.
They make energy solely from fermentation.
D.
They must consume plants to perform cellular respiration.
They are capable of photosynthesis due to presence of chloroplast. Therefore, option (B) is correct.
What are euglenas?The unicellular creature euglena has a sophisticated internal structure that includes a red "eyespot," a contractile vacuole that has the ability to eject water, and other organelles. Chloroplasts are found in photosynthetic organisms. They have two flagella—one long and one short—each of which may move the creatures.
It is the most researched member of the phylum Euglenophyta/ Euglenozoa and belongs to the Kingdom Protista. It may be discovered in peaceful puddles, ponds, and even swimming pools that contain freshwater. A number of animals have breathing vesicles that keep them from drying up. The Euglena is one of a kind since it is both heterotrophic (meaning it needs to ingest food) and autotrophic (meaning it can live without it) (can make its own food).
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When the 2 genes in a pair are identical it's called?
In genetics, homozygous means having inherited the same versions (alleles) of a genomic marker from both biological parents. As a result, a person who is homozygous for a genetic marker has two identical copies of that marker.
Each allele pair indicates the genotype of a single gene. Homozygous genotypes have two identical alleles at a certain locus, while heterozygous genotypes have two different alleles.
Synapsis. The pairing of two homologous chromosomes that occurs during meiosis is known as synapsis. This occurs during the prophase of meiosis I.
When homologous chromosomes pair, the homologous chromosomes cross across and exchange genetic material at certain places. This is known as crossing over.
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What is the formula of capillary tube?
The formula for calculating the height of the liquid raised or decreased in a capillary tube is h=2Scosθρgr where height of the liquid is denoted as h, surface tension of the liquid is s and r is the radius of the tube and ρ is the density of liquid.
Capillary tubes are narrow cylindrical tubes with very small diameters. If these tubes are dipped in a liquid then the height of the liquid will either rise or decrease. Such a phenomenon is known as capillarity. The formula to compute the height of the liquid raised or decreased is known as a capillarity formula. The formula has been calculated by analysing all the forces applied on the liquid. Considering the force of attraction between the surface of the capillary tube and the molecules of the liquid, it develops a shape. The angle created by the edge of the liquid with the vertical tube plane is known as contact angle which is denoted by θ.
It can be formulated as h=2Scosθρgr.
In the above formula, height of the liquid is denoted as h, surface tension of the liquid is s and r is the radius of the tube and ρ is the density of liquid.
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Q-11. Following are the main dangers for the biodiversity?
a) Deforestation
c) Agriculture
b) Pollution
d) All of above
Answer:
A
Explanation:
B/c deforestation is the main cause of pollution
Could there be a frameshift mutation that would not affect the structure and function of the resulting protein?.
It is possible the emergence of a frameshift mutation that does not affect the structure of a protein, but it will invariably modify its structure.
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Answer:fqwfee
Explanation:fqqfewfqrqf
What separated during meiosis 2?
Answer:
sister chromatids
Explanation:
how does cellular respriation impact the observed rate of photosynthesis? is your calculated rate of photosynthesis accurate? why or why not?
Cellular respiration, by producing CO2, reduces the observed rate of photosynthesis. As a result, the observed rate of photosynthesis is less than the actual rate.
The rate at which carbon is absorbed into carbohydrate in the light-independent process increases as the carbon dioxide concentration rises, and hence the rate of photosynthesis normally rises until it is restricted by another factor.
Photosynthesis is the process by which carbon dioxide and water are converted into oxygen and glucose. The plant consumes glucose as food and produces oxygen as a byproduct. Cellular respiration is the process through which oxygen and glucose are converted into water and carbon dioxide. Water and carbon dioxide are byproducts of the process, while ATP is the energy that is produced.
A low CO2 concentration has two effects: it reduces photosynthesis and lowers the light saturation threshold. (The light saturation point is the point at which further increases in light do not improve photosynthesis.)
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Why is the endoplasmic reticulum important for survival?
The endoplasmic reticulum (ER) is an organelle that plays crucial roles in a number of cellular activities, including as protein secretion, lipid production, and intracellular calcium homeostasis which are necessary for cell survival and regular physiological operations. The cell cannot exist without the endoplasmic reticulum.
Endoplasmic reticulum is the network of tubes and sac-like structures in a cell's cytoplasm, which resembles gel. The endoplasmic reticulum transports chemicals and proteins. The endoplasmic reticulum's outside surface can be either smooth or rough. The rough endoplasmic reticulum produces the necessary proteins for the cell and has several ribosomes on its surface. Other compounds that the cell requires, such as lipids (fats) and carbohydrates, are produced by the smooth endoplasmic reticulum (sugars). A cell organelle is the endoplasmic reticulum.
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What are two adaptations for gas exchange?
The two adaptations of gas exchange are: 1. Both capillaries and alveoli have walls that are made of a single cell. 2. Because of the alveoli's abundant blood supply and improved gas exchange.
O2 and CO2 diffuse from the alveoli into the blood and from the blood into the alveoli, respectively, in a process known as simple diffusion. A gradient in concentration is needed for diffusion.
As a result, a higher concentration (or pressure) of oxygen in the alveoli is required than in the blood, whereas a lower concentration (or pressure) of carbon dioxide is required. Breathing naturally assists us in this by constantly bringing in new air that is high in oxygen and low in carbon dioxide.e.
Our respiratory system is what causes us to breathe. The lungs, which are its main organ, are where oxygen (the air we breathe in) and carbon dioxide (the air we breathe out) are exchanged. Without this system, our body wouldn't be able to get the oxygen it needs to survive.
The body's main purpose is to get oxygen for the cells to consume and to get rid of the carbon dioxide that the cells make. includes the lungs themselves as well as the respiratory airways leading into (and out of) the lungs.
Air travels through the following structures in this order: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange).
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What was Claire's diagnosis?
According to Claire's diagnostic, her small intestine either lacks or just contains a very little amount of proteolytic enzymes.
According to Claire's diagnosis, the lack of or decline in proteolytic enzymes in the small intestine may be the cause of the sluggish protein digestion. For the protein digestion process to be quick, as a digestion process by enzymes must be, these enzymes must be present in the small intestine in amounts that are acceptable. This is because a shortage of enzymes causes the metabolic processes to slow down because enzymes are in charge of accelerating them.
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What are 3 ways biology affects the world around you?
Less and less habitat is available for other biology affects species on Earth as people divert more land and resources to their own interests.
How does biology impact the environment around us?Biology is a branch of study that aids in our understanding of how the living world functions, evolves, and interacts with its numerous species, including humans. The standard of living has increased thanks to developments in biology in many fields, including medicine, agriculture, biotechnology, and many more.
What three aspects of biology impact your life the most?The primary focus of biology research is life, first and foremost. Second, it offers a comprehensive, scientific explanation of how all living and nonliving organisms interact with one another. Thirdly, it reveals the diversity of life forms.
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