Please help!
Write the name of the r pyramid on the line above each pyramid. Then, below, explain the relationships among trophic levels that are shown by the pyramids.
Answers
The pyramids represents the hierarchical relationship between the different organisms at various trophic level represented in the form of ecological pyramids.
What do you mean by Ecological pyramids?Any of the progressively higher tiers in a food chain, where consumers are found at the primary, secondary, and tertiary levels and producers are at the bottom. Detritivores, commonly referred to as decomposers, are occasionally believed to have their own trophic level.
1.First Trophic Level: Autotrophs.
2. Second Trophic Level: Primary Consumers.
3. Third Trophic Level: Secondary Consumers.
4. Fourth Trophic Level: Tertiary Consumers.
5. Fifth Trophic Level: Quaternary Consumers
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Related Questions
or reduce severity of illnesses caused by both viruses and
bacteria.
4. Name three changes in agriculture that occurred during the Industrial Revolution.
Answers
In Britain, the Industrial Revolution was made possible by the Agricultural Revolution of the 18th century.
The output of food was increased as a result of new farming methods and enhanced cattle breeding. Increased population and better health were made possible by this. A push toward enclosure was also influenced by the new farming methods. Barley was planted next, then turnips, then wheat, and in the third year, clover and ryegrass were undersown. In the fourth year, the ryegrass and clover were harvested for grazing or used as feed.The output of food was increased as a result of new farming methods and enhanced cattle breeding. This led to a population boom and improved health.
A push toward enclosure was also influenced by the new farming methods. After 1750, the first Industrial Revolution got started in Great Britain.
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How many protons electrons and neutrons does the following Isotope contain 18 f -
Answers
According to the Periodic Table, the Isotope of Fluorine ¹⁸F⁻ contains
9 number of protons that is p⁺ = 9; 9 electrons that is e⁻ = 9; and10 neutrons. That is n° = 10;How did we arrive at the number of neutrons?Recall that the Mass number of Fluorine as established in the Periodic Table is 18.998 which is approximately 19.
Let the Mass be M...........1
Recall that the Number of protons is equal to the Atomic number (which is 9)
It is also established that the number of electrons is equal to the Atomic number (which is 9).
Let Atomic Number be A..........2
To calculate the number of neutrons we must Remove Atomic Number from Mass Number.
Hence Number of Neutrons = M - A..........3
Which is:
19 -9
= 10
Hence the number of Protons, electrons and neutrons for Fluorine ¹⁸F⁻ is 9, 9, and 10 respectively.
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What is biodiversity and why do we
need to preserve biodiversity?
Answers
Explanation:
Greetings !
Biodiversity :-is Biodiversity is all the different kinds of life you'll find in one area—the variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world. Each of these species and organisms work together in ecosystems, like an intricate web, to maintain balance and support life. or simply
The diversity (number and variety of species) of plant and animal life within a region.
Need of biodiversity preservation:-Biodiversity conservation protects plant, animal, microbial and genetic resources for food production, agriculture, and ecosystem functions such as fertilizing the soil, recycling nutrients, regulating pests and disease, controlling erosion, and pollinating crops and trees.
. Hope it helps !!
If an epithelium has all cells touching the basement membrane, but not all cells reach the apical surface, that epithelium would be called a ________ epithelium.
Answers
If an epithelium has all cells touching the basement membrane, but not all cells reach the apical surface, that epithelium would be called a pseudostratified epithelium.
A pseudostratified epithelium can be defined as one which is formed through columnal epithelium cells. The pseudostratified epithelium is made from just one layer of epithelial cells and all these cells are touching with the basement membrane. Although pseudostratified cells appear as if they might have been made of multiple layers, but in actual, they are single-layered and stratified.
The cells of pseudostratified epithelium also have the quality of being ciliated or non-ciliated.
The most common place of the body where the pseudostratified epithelium is present is the respiratory tract. They are present in the mucus-secreting areas of the body.
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Ultraviolet radiation and radiation of shorter wavelengths can damage biological molecules because they carry enough energy to break bonds within the molecules. A carbon-nitrogen bond requires 305 kj/mol to break. What is the longest wavelength of radiation with enough energy to break carbon-nitrogen bonds?.
Answers
The longest wavelength of radiation is 393 nm with enough energy to break the carbon nitrogen bond.
Relation wavelength to the energy of radiation is given as;
Wavelength = speed of light * Planck’s constant / energy
Value of Planck’s constant = 6.626×10−34 J.s
The carbon-nitrogen bond energy is 305 kJ/mol.
The given energy is in kJ/mol and is converted into kJ/photon as illustrated below.
Energy (kJ/photon) = 305 kJ/ mol × (1 mol / (6.023×1023 photons)
=5.06 × 10−22 kJ/photon
=5.06 ×10−19 J/photon
The energy for 1 mole of photons is calculated as illustrated below.
Wavelength= Speed of light × Planck′s constant/Energy(J/photon)
Planck constant = 6.626 × 10−34 J.s
speed of light = 3×108 m/s
Substitute the values in the above equation.
Energy = (3 × 108m/s × 6.626 × 10−34 J.s) / 5.06 × 10−19 J/Photon
= 19.878 × 10−26J.m / 5.06 × 10−19 J/photon
= 3.93 × 10−7m × (109nm/1m)
=393nm
Hence, the longest wavelength of radiation with enough energy to break carbon-nitrogen bonds 393 nm.
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What structure in the hypothalamus receives information about light from the retina and routes it to structures of the brain that regulate biological rhythms?.
Answers
Suprachiasmatic nucleus (SCN) receives information about light from the retina and routes it to structures of the brain that control biological rhythms.
The suprachiasmatic nucleus (SCN) is a cluster of hundreds of cells within the hypothalamus that receives information about light exposure directly from the eyes and controls your behavioral rhythm.
The suprachiasmatic nucleus (SCN) is a bilateral structure in the hypothalamus's anterior region. It is the principal pacemaker of the circadian timing system, regulating the majority of the body's circadian cycles. The SCN is served by a number of afferent neural pathways. The retinohypothalamic tract, which originates from photosensitive ganglion cells in the retina, is its main tract. Efferent projections from the suprachiasmatic nucleus innervate tissues such as the pineal gland, which produces melatonin to induce sleep throughout the night.
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What are the two reasons why we should study the history of biology?
to learn from past mistakes
to be able to study the solar system
to do better research papers
to be able to understand complex topics
Answers
We should study biology because to able to understand complex.
What are three advantages of studying ?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. Third, it provides information about the variety of life forms.
Biology tell us about how we evolved , how the life came on earth , how our body performs functions and how we are able speak etc. So that is why it is important to study biology.
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how mutualism and biodiversity are related
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A sort of interaction known as mutualism involves both parties gaining something from the other. For instance, a butterfly carries pollen from one plant to another that is far away after receiving nectar from the blossom of a plant, which is a rich source of nourishment. John N. Thompson proposed the following thought experiment to help people consider the pervasiveness of mutualism: try to picture a plant species that can survive in its natural environment without also utilizing the genomes of a mitochondrion, a chloroplast, several mycorrhizal fungi, numerous insects to pollinate it, and numerous species of birds to disperse its seeds.
Mutualistic interactions are thought to have played a significant influence in the diversification of life on Earth. Mutualism is present everywhere.
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Why are unstained basic dyes more successful in staining bacteria than acidic dyes?
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Unstained basic dyes more successful in staining bacteria than acidic dyes because of the presence of different charges in them.
We know that the acidic dyes are negatively charged and the basic dyes are positively charged. Also, the cell walls of the bacteria and most of the organisms are negatively charged. When the bacterial cell wall are stained with acidic dyes, they do not get attracted since the both are similarly charged. While as when the basic dyes are used to stain the bacteria, the negatively charged bacterial cell wall gets attracted to the positive charge of the basic dyes.
There, basic dyes are considered to be more convenient for staining of the bacteria.
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What most occur for protein translation to begin
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Answer:
see the picture attached...
14. List two methods that can be used to measure the pH of a solution.
Answers
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?.
Answers
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, photosynthesis is an endergonic reaction.
The reactions that absorb energy to initiate are known as endergonic reactions. The absorb energy in order to produce more energy.
In the case of photosynthesis, Plants absorb energy directly from sunlight to start the process. glucose is synthesized in plants during the process. Glucose is essential for the survival of plants.
Other than photosynthesis, metabolic reactions in living organisms' cells are also endergonic reactions.
The chemical equation of photosynthesis is :
6C02 + 6H20 → C6H1206 + 6O2
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What type of transport requires energy to carry a nutrient from outside the cell, through the cell membrane, and into the cell?.
Answers
Answer:
Active transport
Explanation:
Active transport regulare energy (ATP)
Name two properties that may make it difficult for a molecule to cross the lipid bilayer without help.
Answers
The properties are the size of the molecules and charge of large polar molecules
What characteristic of the cell membranWhate permits some molecules to flow through easily but not others?The primary characteristic of the cell membrane is selective permeability, which refers to the fact that some substances can easily penetrate it but not others. Small molecules that are nonpolar (have no charge) can diffuse over the membrane with ease, whereas ions and bigger molecules usually cannot.
The size and charge of large polar molecules makes it too difficult to pass through the non polar region of the phospholipid membrane without help from transport proteins.
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Which group of macromolecules is responsible for transferring genetic information to new cells?.
Answers
Nucleic acid is responsible for transferring genetic information to new cells. Mitochondrion possesses double membrane as its covering. The outer easy floor and the internal membrane bureaucracy infoldings known as as cristae, which will increase floor vicinity for extra formation of electricity withinside the shape of ATP.
The internal membrane of the mitochondrion folds inwards, forming the cristae. This folding permits a extra quantity of membrane to be packed into the mitochondrion. The records on this look at display that subunits e and g of the mitochondrial ATP synthase are concerned in producing mitochondrial cristae morphology.
Mitochondrial cristae are the folds in the internal mitochondrial membrane. These folds permit for extended floor vicinity wherein chemical reactions, which includes the redox reactions, can take place.
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Denise's data revealed that lightning bugs come out more during the night than in the day. What is the next process of the scientific method for Denise?
Answers
The next process of the scientific method for Denise is to make a conclusion based on her findings.
What is the scientific method?The scientific method is a method of discovering knowledge about the natural world based on making falsifiable predictions or hypotheses, testing them empirically and developing theories that match known data from repeatable physical experimentation.
The scientific method is made up of the following steps:
Making an observation/asking a questionConstruction of a hypothesisTesting the hypothesis via experimentationAnalysing the data of the resultsMaking a conclusionAccording to this question, Denise data revealed that lightning bugs come out more during the night than in the day. This means she had already gone through the steps of the scientific method up to analysis of data.
Therefore, the next process of the scientific method for Denise is to make a conclusion based on her findings.
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The images show the wings of two different organisms. The wings of the housefly and the bat are . This indicates that
Answers
This indicates that the wings of house fly and bat are analogous organs.
What are analogous organs?
Analogous organs are the organs that are different anatomically in structure but perform the same function.
From the diagram, the wings of house fly and bat do not arise from same body part.
The wings of house fly have extra appendages attached at the back but that of the bat wings are modified
Hence, we conclude that both should be considered analogous to each other.
The organs which have different basic structure and origin but are similar in their appearance and functioning, are called analogous organs some examples include
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How do heart and the lungs work together?
Answers
The right side of your lungs gets blood from your body and then it advances to pump it to the lungs. Then the lungs fill up the blood with oxygen and sends it to the heart. The left side of the heart gets the blood from the lungs and pumps it out to the body.
Describe how a camel and a llama could have descended from a common ancestor and become two different species. (6 marker)
Description on camel: Desert habitat, Lives in North Africa
Description on camel: Mountain habitat, Lives in south America
Answers
Camels and llamas are both biological members of the Camelidae family. Three different kinds of camels, llamas, alpacas, vicuas, and guanacos are among the family's seven members. Essentially, camels and llamas are related and have many traits in common.
How similar are llamas and camels to one another?Dromedary camels, Bactrian camels, wild Bactrian camels, llamas, alpacas, vicuas, and guanacos are the six varieties. Yes, llamas and camels are related. In Central and South America, you are unlikely to see many camels, but you may see any of the other camelid species. Llamas did not develop from camels, despite the fact that they are both members of the same family. The llama was most likely domesticated from the guanaco, according to the genetic data. Around 5 million years ago, the genus Hemiauchenia split into two genera, Peleolama and Lama, during the early Pliocene.
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Can someone double check this to see if I’m correct
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The answer to the following questions about the climograph are:
If you like outdoor sports such as swimming and tennis, you would prefer taking vacation to Brisbane.If you want to open a business winter selling equipment, your business would probably have more success in Moscow.Imagine you have serious problems and need a dry climate. You would more likely move to Moscow.Peanuts need a warm moist climate. The area more likely to grow this crop is Brisbane.What is meant by a climograph?A climograph simply refers to the graphical representation of the climate of a place, region or an area, which shows the temperature and precipitation averagely. In order words, this graph shows the amount of temperature and rainfall in a particular area in a given period of time.
The representation in the above graph displayed the amount of precipitation and temperature in both Brisbane and Moscow. In climatology, this graph is called a climograph.
This graph was invented by Thomas Griffith Taylor.
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A 1.8 g potato core is submerged in sugar water. When it is removed, its mass is 1.6 g. What is the
percentage loss of the potato's mass? Round your answer to the nearest hundredth of a percent.
Answers
The percentage loss of the potato's mass is 11.111 % when rounded-off to the nearest hundredth of a percent.
The potato core weighing 1.8 g is submerged in sugar water and after removing it from the water, its mass becomes 1.6g. Therefore, the percentage loss of the potato's mass can be determined by the following calculation:-
(1.8 - 1.6) / 1.8 x 100 = 0.2 / 1.8 x 100 = 11.111 % (rounded-off to the nearest hundredth of a percent)
This loss in potato's mass happens due to exosmosis through which water escapes from the potato into the sugar water.
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1
Select the correct answer from each drop-down menu.
A researcher conducts an experiment on the secretion of a particular hormone In mice. Scientists Inject mice with a substance that
stimulates the production of the hormone. The scientists then test the levels of hormones produced by the mice. The tool used to
measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. This tool makes
measurements, but the measurements aren't
qualitative
reliable
valid
Reset
Next
Answers
Answer:
Reliable; Valid
Explanation:
The tools measurements are reliable because any of the values that falls higher or below X by 10points can be considered as the actual level. However, the actual measurements are not valid because a deviation 10points from the actual value is too wide and leaves room for errors.
What is the simplest level at which life may exist?
Answers
Answer:
The cell is the correct answer.
For an enzyme to catalyze a reaction there must be a specific fit between the __________ and the enzyme's __________.
Answers
Answer:
1 Substrate
2 Active center
what is the study of meteors and comets
Answers
eukaryotic cells have their dna molecules inside their nuclei. however, to package all the dna into such a small volume requires the cell to use specialized proteins called histones. histones have amino acid sequences enriched for lysines and arginines. what problem might a cell face in trying to package dna into a small volume without histones, and how do these special packaging proteins alleviate the problem?
Answers
Eukaryotic cells DNA is a nucleic acid polymer in which each monomer has a negatively charged phosphate group.
Positively charged molecules are required to enclose the high density of negative charges in a limited area since the oppositely charged atoms will naturally resist one another. Histones are able to do this because they include a lot of lysines and arginines, two amino acids that are positively charged when in solution at pH 7.The information that determines every protein that makes up an organism, including details about when, which cells each protein should be produced in, and how much of each protein should be produced, is carried by genes, which serve as DNA's most crucial role.Histones serve to wrap chromosomal DNA within tiny nuclei.To learn more about phosphate group.
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the loop between helices 6 and 7 binds the ligand (hormone) on the same side of the membrane where the n-terminus of the protein is located. where would one expect to find the c-terminus?
Answers
The n-terminus located at the end of a polypeptide. The C-terminus is the end of an amino acid chain (protein or polypeptide), terminated by a free carboxyl group (-COOH).
Refers to the free carboxylic acid group at the end of a protein. The initial amino acid in a protein is represented by the N-terminus, while the last amino acid is represented by the C-terminus.The free amine group (-NH2) found at the end of a polypeptide is referred to as the N-terminus, which is also referred to as the amino-terminus, NH2-terminus, N-terminal end, or amine-terminus.The free amine group (-NH2) found at the end of a polypeptide is referred to as the N-terminus, which is also referred to as the amino-terminus, NH2-terminus, N-terminal end, or amine-terminus.To learn more about C-terminus.
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Which is an example of Gram-positive bacteria
Answers
Answer:
Streptococci are Gram-positive
The change of a liquid into a gas is known as _________?
Answers
Answer:
evaporation
Explanation:
cause it is
In the electron-transport chain in chloroplasts, which molecule serves as the final electron acceptor?.
Answers
In the electron transport chain in chloroplasts, NADP+ is the molecule serves as the final electron acceptor.
Oxygen serves as the ultimate electron acceptor (O2). Since oxygen has a strong affinity for electrons and a high electronegativity, it is the perfect acceptor for low-energy electrons. With the help of the electrons, hydrogen is joined to oxygen to produce water, which is the end result.All green plants have a component inside their chloroplasts called chlorophyll, which captures sun energy and is utilised to create food. produces NADPH and molecular oxygen (O2) from water by photolysis.Instead, the thylakoid membrane—a third separate membrane that creates a series of flattened disclike sacs called the thylakoids—contains the electron-transport chains, photosynthetic light-capturing systems, and ATP synthase.To learn more about chloroplasts.
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