Answer:
By providing an example using one organ for each of the four levels of complexity, we have the following:First level organ: Skin; this is because it takes up a few cells. Second level organ: Windpipes; this is because they have more complex shapes with multiple cells. Third level organ: Stomach; this is because the stomach has to act on demand instead of a flow. Fourth level organ; Heart. The reason it is difficult to make level four organs in a lab is that it has a complicated architecture with several cells, blood vessels and tiny capillaries included. So far, scientists are yet to fully develop solutions for the level four organs and hence, difficult to create in a lab.
Explanation:
Click the statement that best describes the role of each element in living organisms.
Nitrogen
Phosphorous
Sulfur
Answer:
Problem one;
Nitrogen: is obtained by plants from bacteria in the soil.
Phosphorous: provides strength to bones and exoskeletons.
Sulfur: gives strength to the protein keratin.
Problem two:
Answer 1:
King James
Answer 2:
selling shares
Answer 3:
company shareholders
Answer 4:
the James River
Explanation:
Have a great rest of your day
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Hello~
Jay is here to help you love
Answer: Nitrogen
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From: Jaybella~
Which statement provides the best description of the interphase portion of the cell cycle?.
Answer:
Which statement provides the best description of the interphase portion of the cell cycle? Interphase is a resting stage prior to cell division. During interphase, a cell is metabolically active.
Describe what else a deer gets from plants. Explain how this matter is cycled between plants and the deer. Why is this cycle important to their survival? Provide a 3-5 sentence paragraph explanation.
Answer:
big blrrd pooh sheisty
Explanation:
yes
What are the different 4 hardwood groups according to their classification?
Answer:
BAMBOO. While it's not exactly hardwood, most people consider it as such. ...
MAPLE. Maple flooring is one of the most popular hardwood flooring choices. ...
ROSEWOOD. ...
WALNUT. ...
CHERRY. ...
BRAZILIAN CHERRY. ...
PINE. ...
HICKORY.
Explanation:
BAMBOO. While it's not exactly hardwood, most people consider it as such. ...
MAPLE. Maple flooring is one of the most popular hardwood flooring choices. ...
ROSEWOOD. ...
WALNUT. ...
CHERRY. ...
BRAZILIAN CHERRY. ...
PINE. ...
HICKORY.
The nine elements that are most abundant in plants are called ,while the seven elements present in lower quantities are called:______.
Dna is found coiled up into chromosomes within what cellular structure?.
Answer:
Your answer is the nucleus!
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. DNA and histone proteins are packaged into structures called chromosomes.
Hope this answers your question!!!
If the following events are arranged in the order in which they occur for an animal hiding and holding still in response to seeing a predator, which is the fourth event in the series?.
Animal hiding-holding still response follows the reflex arc sequence. The fourth event in the series is option B) signaling by efferent PNS neurons.
When the animal receives the stimuli, it responds to them. In the case of hiding-holding still response, the animal might freeze due to motor inhibition that reduces excitatory signals.
The reception and reaction to stimuli follows the reflex arc sequence.
What is reflex arc?The reflex arc refers to the sequence of events since the body receives an external stimulus until it reacts.
The correct answer is B) signaling by an efferent PNS neurons.
Note: Due to technical problems, you will find the complete explanation in the attached files.
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Write a paragraph to justify Earth’s past Plate movements by explaining three pieces of evidence presented in the article. Highlight each of the three pieces of evidence.
Fossils, galciers and complementary coastlines are the evidences of earth's past plate movements.
How justify Earth’s past Plate movements?Modern continents hold clues to show their past events such as fossils, glaciers, and complementary coastlines. These evidences help in revealing about the plates that once fit together. Fossils tell us when and where plants and animals once existed.
So we can conclude that fossils, galciers and complementary coastlines are the evidences of earth's past plate movements.
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Will give brainliest!!!!!! pls explain the student decides that measuring the amount of co2 produced will determine the total rate of both aerobic and anaerobic respiration. explain why she is correct. explain how the student could measure only the rate of anaerobic respiration.
The student could measure only the rate of anaerobic respiration by measuring the carbondioxide gas concentration.
How to measure the rate of anaerobic respiration?In the absence of oxygen, yeasts convert glucose into ethanol and carbon dioxide. This rate of carbon dioxide is used to measure of the overall rate of anaerobic respiration.
So we can conclude that the student could measure only the rate of anaerobic respiration by measuring the carbondioxide gas concentration.
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According to the histogram, how many shipments had more than 20 light bulbs broken? A) 4 B) 6 C) 7 D) 12
The histogram depicts that the number shipments that had more than 20 light bulbs broken is D. 12.
What is a histogram?A histogram simply means a graphical representation that is used to organize a group of data points into ranges.
From the complete question, the histogram shows that the number shipments that had more than 20 light bulbs broken is 12. This can be interpreted based on the ranges shown in the histogram.
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Answer:
7
Explanation:
I did the USA test prep!!
how does gene flow affect population's genetic variation
Answer:
increase the genetic variation of the population
Explanation:
hope this helps
100 Points!!!! PLEASE HELP WITH THIS PENNFOSTER QUESTION. Pls answer by 11:59pm March 31
#1
Cell contains half no of chromosomes means if main cell be n then this cell contain n/2
Its
Haploid#2
Apoptosis#3
These processes occur in one region that's
nucleus#4
Parthenogenesis#5
n turns 2n
So DiploidDescribe a physical adaptation of chipmunks. Use complete sentences.
Answer:
A physical adaptation of chipmunks would be their fur thinness or thickness. If their environment demands that they need thicker fur to keep them warm, they will start to grow more fur to adapt physically to the environment.
Explanation:
If the sequence of bases in dna is ttagccat, then the sequence of bases in rna will be
If the sequence of bases in the coding strand of a DNA is TAGC, then the sequence of bases in the mRNA will be AUCG
What is DNA?A DNA is simply defined as a self-replicating substance found in practically all living creatures as the primary component of chromosomes.
In conclusion, DNA and RNA differ as there functions all differ
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CQ
If the sequence of bases in the coding strand of a DNA is TAGC, then the sequence of bases in the mRNA will be what?
If the sequence of bases in the DNA is TTAGCCAT, then the sequence of bases in the RNA will be AAUCGGUA.
What do you mean by DNA sequencing?DNA sequencing may be defined as the determination of the exact nucleotide bases in the given strand of the DNA.
DNA consists of nucleotide bases such as Adenine, Thymine, Guanine, and Cytosine. On the other hand, RNA has Uracil in place of Thymine.
The complementary base pairs are matched in such a way that Adenine binds to Thymine by double bonds, while the Guanine binds to Cytosine by triple bonds.
Therefore, if the sequence of bases in the DNA is TTAGCCAT, then the sequence of bases in the RNA will be AAUCGGUA.
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in an ecosystem which would have a bigger population: producers or primary consumers
PLEASE HELP
Answer:
The answer would-be producers. The fact that there are primary consumers today, you would know that producers make up the bigger population. If it were smaller, the primary consumers would have eaten them all up and eventually would die out because they would have no more food source. This would be bad for all higher-level consumers.
Biologists tell us that life on earth took billions of years to evolve into astronomy students and other examples of intelligent life. If we want to search for planets with intelligent life-forms that evolved over the same period of time that we did, what sorts of stars should we not bother searching around?.
The types of stars that we should not search for life around the Universe are O and B type stars.
What is a star?A star is a celestial body capable of producing huge amounts of heat and radiation in the form of light.
An O-type star (spectral class O) is a blue and/or white star that is characterized to be very hot and brilliant.
B-type stars are also luminous and they can be blue, but they can be differentiated by O-type stars by their spectra.
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helppppppp I dont take links
Answer: Warm air rises and causes high air pressure. Cold air stays closer to earth and causes low air pressure which is known as low pressure. When there is a low-pressure system in the area- In contrast, a high-pressure system allows for rain clouds "I believe since water vapor is formed when water is heated and it can form when something heats".
The rest are taken, and I can't answer them because of the shortage and they dont make sense :(
Explanation: I'm sorry if im wrong, I'm just trying to be helpful.
Nuclear-generated power plants are heavily subsidized. Do you think the market price of these plants should include the costs of the nuclear fuel cycle? Explain.
The market price of these plants should not include the costs of the nuclear fuel cycle.
What is a nuclear power plant?A nuclear power plant is used in the generation of nucler power and offers a very cheap and relevant means of generating power though it is expensive to build. It also serves a lot of people as a veritable source of electricity.
The nuclear fuel cycle is cheap while the building of the palnt itself is expensive. Hence, the market price of these plants should not include the costs of the nuclear fuel cycle.
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Which is most reactive iron or potassium
Answer:
Potassium is more reactive because it is in group one
Explanation:
20. Which of the following statements identifies the relationship between the Miller-Urey Experiment and the
Primordial Soup Hypothesis?
Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic conditions of early Earth.
Miller-Urey disproved the Primordial Soup Hypothesis because it concluded that amino acids could be
produced in the presence of certain inorganic conditions of early Earth.
Miller-Urey did not support the Primordial Soup Hypothesis because it did not prove the formation of organic
molecules through a lightning strike hypothesis.
No relationship exists between the two.
Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic best explain the relationship between Miller-Urey and Primordial soup.
Miller urey experiment.The Miller Urey experiment refer to a form of chemical experiment that simulated the conditions present on the early Earth and tested the chemical origin of life using those conditions . The experiment performed at the time supported Alexander Oparin's and J. B. S. Haldane's hypothesis that putative conditions on the primitive Earth is important for chemical reactions to produce more complex organic compounds from simpler inorganic precursors.
The first was the “primordial soup” which was a conclusion that when Earth was young, the oceans were filled with simple chemicals important for life and this assemble into living cells.
Therefore, Miller-Urey supported the Primordial Soup Hypothesis because it concluded that organic molecules could be
produced in the presence of certain inorganic best explain the relationship between Miller-Urey and Primordial soup.
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1. What energy transformation occurs as biomass decays in a
compost bin:_________to__________
energy
The energy transformation that occurs as biomass decays in a compost bin is chemical energy to thermal energy.
What is energy?Energy can be defined as an ability of a physical object (body) to do work. Thus, energy must be possessed or transferred to a physical object (body) before it can be used in doing a work.
The forms of energy.In Science, there are different forms of energy and these include the following;
Gravitational energyElectrical energySound energyChemical energyThermal energyIn conclusion, the energy transformations that occur when biomass decays in a compost bin is chemical energy to thermal energy.
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Name an example of how animals were adapted for their specific environments on the galápagos islands.
Answer: These adaptations include a short, blunt stout , a long, flat, incredibly strong tail that propels it through the water, and a special gland that allows it to expel excess salt from its body.
How to determine the chemical reaction of cellular respiration?
Answer:
C6 H12 O6+6O2-----6CO2+6H2O+ ATP
Chemical reactions of cellular respiration may be determined by where the respiration process undergoes. This is because cellular respiration may be of two types aerobic (in mitochondria), and anaerobic (in yeast and muscle cells).
What do you mean by Cellular respiration?Cellular respiration may be defined as the strategy by which living organisms incorporate oxygen with glucose molecules, and discard as waste products, carbon dioxide, and water, apart from energy.
The general chemical reaction of the cellular respiration may be determined as :
[tex]C_6H_1_2O_6 +[/tex][tex]0_2[/tex] → [tex]CO_2 + H_2O +[/tex] ATP. (Aerobic cellular respiration).
Glucose → Pyruvate → Lactate + ATP (Anaerobic cellular respiration).
Therefore, chemical reactions of cellular respiration may be determined by where the respiration process undergoes.
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Without the greenhouse effect, temper on Earth would (F) be too cool or too hot. G) become constant. (H) increase sharply. (I) vary too much.
Answer: (F): Be too cool or too hot.
Explanation: The Greenhouse Effect on Earth is a process of when gases in the atmosphere capture the heat produced by the Sun. Without the Greenhouse Effect, the heat reflected by Earth's surface would be lost in space. The temperature on Earth would drop drastically low and this could lead to oceans/lakes freezing over and some living organisms to die out. This would make most life incapable of living on Earth.
your friend argues that there is no need for scientific names for organisms and that the existence of both scientific and common names will only confise people. Explain why we have both
Answer:
Scientists and researchers need to have a "universal language", so they can communicate with others around the world. They use scientific names that normally have Latin origins.
The reason we use common names is so people don't get confused. Normal people won't go around saying they need to walk their canis lupus familiaris. They'd say they need to walk their dog.
Explanation:
Answer:
false
Explanation:
without the scientific name we would not be able to identify living and non living things
In a mass extinction, many species become extinct at the same time. scientists have concluded that a mass extinction killed the dinosaurs and other species, in part as a result of an asteroid striking the planet. what pattern in the fossil record supports this conclusion?
The pattern in the fossil record which supports the idea of a mass extinction event is the sharp decrease in biodiversity in rock layers.
What is a mass extinction event?A mass extinction event is one which in which a large number of species of organisms die off due to natural or artificial causes.
A mass extinction events is concluded to have killed the dinosaurs and other species, in part as a result of an asteroid striking the planet.
The evidence for this in fossils records is that the lower, older rock layers contains a great diversity of fossil life forms, while the younger layer immediately above is contains few organisms in comparison.
Therefore, the sharp decrease in biodiversity in rock layers provides evidence for a mass extinction event.
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Hello people ~
Which of the following factors are essential to ignite a fire?
A. All of these
B. Fuel
C. Air (oxygen)
D. Heat
Answer:
All of these
Explanation:
Any fire needs three things to burn.
Fuel to keep burning.Oxygen to burnHeat until calorie value of substanceSo option A is correct
In what ways do viruses differ from other pathogens?.
Viruses differ from other pathogens because they are considered non-living.
What are viruses?Viruses are organisms that are incapable of reproducing on their own without a living host.
Viruses cannot undergo any of the characteristics of life outside a living host.
They, therefore, infect their host and use the mechanisms of the host to replicate themselves.
Therefore, viruses differ from other pathogens because they are considered non-living.
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What are the major functions of the circulatory system.
Answer:
The major functions of the circulatory system is it delievers oxygen and nutrients to cells and takes away wastes.
Explanation:
Hope this helps! :)
The image shows an aspect of human culture. Which aspect is illustrated in the image?
Answer: language
Explanation: trust me