Answer:
A
Explanation:
In such an isolated ecosystem, there is usually an autotroph species that coverts the abiotic elements in the environment to biotic elements. In a hydrothermal vent, it is likely that there are some chemoautotrophic bacteria that covert the sulfur and other chemicals in the water into organic molecules. This energy is then transferred up the food web in the closed ecosystem. In such an ecosystem, even the waste product of one life form may be utilized by another species.
Answer:
A
Explanation:
Which sentence describes an example of a positive feedback loop?
A: Warm blooded animals were when they get too hot. Sweating as a method by which the body close itself.
B: A thermostat regulates. Temperature by turning a furnace or air conditioner on and off.
C: When blood flows from a mild cut, blood clots form to prevent excessive bleeding.
D: As oceans get hotter, they release more CO2, which then increases atmospheric and ocean temperatures.
The example of a positive feedback loop from the provided options is D: As oceans get hotter, they release more CO2, which then increases atmospheric and ocean temperatures.
Explanation:The question relates to the concept of feedback loops in biological systems, particularly the difference between negative and positive feedback loops. The sentence that describes an example of a positive feedback loop is: As oceans get hotter, they release more CO2, which then increases atmospheric and ocean temperatures (option D). This example illustrates how a change in the system leads to an increase in the response, further promoting the initial stimulus, which is characteristic of a positive feedback loop. In contrast, negative feedback loops involve actions that counteract a change, aiming to maintain or reduce the response.
Find the missing value to the nearest hundredth tan =26
Answer:
delete this answer.
Explanation:
Tangent of 26 is about 0.49 in the nearest hundredth.
Which substance is organic?
sodium cyanide, NaCN
the mineral magnesite, MgCO3
carbon monoxide gas, CO
the sugar sucrose, C12H22O11
Answer:
its D
Explanation:
Answer:
Yeah its D
Explanation:
I did the assignment :)
Why is there so little wind in the location where the atmosphere circulation cells meet?
Answer:
they are close together
Explanation:
Which statements describe earths continents?
Answer:
It is made up of living things.
It is mostly solid.
It includes liquid water.
It includes Earth's surface.
It includes Earth's interior.
It is made up of gases and airborne particles.
Explanation:
Describe how a fossil would form through mineral replacement.
A fossil would from through mineral replacement by replacing the existing material of the animals bones with minerals, to become petrified. The Minerals will keep the fossil preserved longer.
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Final answer:
A fossil can form through mineral replacement when the original organism's material is replaced by a secondary mineral, preserving detailed structures and aided by sediment accumulation and permineralization.
Explanation:
A fossil forms through mineral replacement when the original skeletal material of an organism is substituted molecule-by-molecule by a secondary mineral, such as silica (quartz), pyrite, dolomite, or hematite.
This process can preserve the fine cellular details of the original organism, despite a change in its composition.
Sediment accumulation is crucial in providing the minerals and pressure necessary for mineralization.
During permineralization, the sediments' minerals fully replace the organism, creating a mineral copy of the original organism, which can occur with or without replacement.
In humans, having wet earwax is a dominant trait. Having dry earwax is recessive. The man has one recessive allele and one dominant allele and his phenotype is that the man would be dominant with wet earwax.
a) A woman has two dominant alleles. What is her phenotype?
B) if this man and woman have a child, is it possible for their child to have dry earwax? explain.
Her phenotype is to have wet earwax
No, the woman has 2 dominate traits and the man has 1 recessive, they need atleast 1 each
Answer: what type of question is this but the answer would be be because he still has one recessive trait if the woman has a dominant trait both dominant traits and he has one dominant trait and recessive trait they have a 75% chance of coming out with wet earwax and a 25% chance coming out with dry earwax because there's always that possibility because of that recessive trait it's rare but a possibility
Explanation:
30 POINTS!!! PLZ HELP
Which is a correct statement about the common cold? A. Only one kind of virus can cause a cold. B. Colds can be caused by hundreds of different viruses. C. The symptoms of a cold are completely different from the symptoms of the flu. D. None of the above
Answer:
Option "A" might be the correct answer
Explanation:
there are some of those viruses where it can be quite potent. Some viruses, such as the rhinoviruses, seldom cause serious illness. But others, such as parainfluenza and respiratory syncytial virus, can lead to severe lung infections in young children.
Answer:
B. Colds can be caused by hundreds of different viruses.
Explanation:
The common cold is a benign viral infection of the upper respiratory tract, which mainly affects the nose and throat. The most common symptoms are: nasal congestion, runny nose, sneezing and sore throat. This is one of the most common diseases that exist. Eventually, everyone will get a cold more than once in their life.
More than 200 viruses can cause colds, all of which are respiratory transmission, which makes contagion extremely effective. Cold viruses enter the body through the lining of the mouth, eyes or nose. The most common is to bring the contaminated hand to the face. This port carries viruses acquired by manual contact with colds or contaminated objects.
There is also the possibility that viruses reach these mucous membranes, through invisible droplets, suspended in the air, after a person with a cold sneezes, coughs or talks. It is estimated that for this form of contagion, there is a need to be less than one meter from the infected person.
an increase in skin cancer can be traced to a decrease in atmospheric
Answer:
an increase in skin cancer can be traced to a decrease in atmospheric ozone.
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An increase in skin cancer can be traced to a decrease in atmospheric Ozone.
Explanation:
Exposure of the skin to ultraviolet rays is a major risk factor that triggers skin cancer and is one of the growing concerns in recent times. BCCs or basal cell carcinoma is also known as rodent ulcers and occur generally in the areas exposed in the sun which damages the local tissue in human beings. Patients with this disease are usually fair skinned and burn more than dark skinned people in sunlight.
It may also develop during childhood, when a child is exposed in the sun for long periods. One of the most serious forms of skin cancer is Malignant melanoma which happens due to exposure of the body to the harmful UV radiations which in turn happens due to the ozone layer depletion, which stops the harmful rays of the sun from coming to the earth.
Which two suggestions describe how humans could reduce their greenhouse gas emissions? Use natural light instead of electric lights during the day. Dispose of paper and plastic in landfills instead of recycling. Grow your own vegetables in a garden instead of shopping for them. Drive gas-powered vehicles instead of taking public transportation. Use synthetic pesticides and fertilizers instead of organic, natural ones. Reset Next
Use natural light and grow your own vegetables
Answer: Use natural light instead of electric lights during the day.
Grow your own vegetables in a garden instead of shopping for them.
Explanation:
Green house gases are the gases which trap the heat from sunlight causing the retention of heat in the atmosphere. This causes global heat.
The use of natural light will reduce the dependency of fossil fuel for the generation of electricity. Hence, the burning of fossil fuel and generation of greenhouse gases such as carbon dioxide, carbon monoxide and others will not release.
Growing own vegetables will reduce the carbon dioxide levels in the atmosphere. Hence, will reduce the green house gas abundance in the atmosphere.
5. _______ is the process where plastic-eating fungi are sent to landfills.
A. Biodiversity expansion
B. Biological augmentation
C. Pollution cleanup
D. Bioremediation
Biological agumentation is the process where plastic-eating fungi are sent to landfills.
Answer: Option B
Explanation:
The process of using living microbes to clear the landfills is called as biological agumentation or bioaugmentation. Bioaugmentation, for the most part, requires concentrating the indigenous assortments present in the area to decide whether biostimulation is conceivable.
Usually in this process, microbes such as bacteria, fungi etc are utilized. In case of landfills filled with plastics, fungi species which has the ability to degrade the plastic are used in this process.
Bioremediation is the correct term for the process where plastic-eating fungi are used in landfills to break down plastic waste into less toxic or non-toxic substances. The correct option is D.
The process where plastic-eating fungi are sent to landfills to break down the plastic materials is known as bioremediation. This is a waste management technique utilizing organisms such as fungi to remove or neutralize pollutants from a contaminated site, thus transforming hazardous substances into less toxic or non-toxic substances. An example of bioremediation is the use of certain plants to extract toxic metals from soils contaminated by mining operations, or using fungi to degrade plastics in landfills.
Which of the following characteristics is shared by both plants cells and photosynthetic bacteria
The significant characteristic shared by both plants cells and photosynthetic bacteria is the ability to perform photosynthesis within specific structures; namely, chloroplasts in plants and thylakoids in bacteria.
Explanation:The main characteristic shared by both plant cells and photosynthetic bacteria is the ability to carry out photosynthesis. Photosynthesis is a process used by these organisms to convert light energy, most commonly from the sun, into chemical energy that can be later released to fuel the organisms' activities. Plants do this within an organelle called chloroplasts, which contains chlorophyll, the pigment that captures the light energy. Similarly, photosynthetic bacteria, such as cyanobacteria, have special membrane structures known as thylakoids where photosynthesis occurs. Therefore, the possession of structures for conducting photosynthesis, i.e., chloroplasts in plant cells and thylakoids in photosynthetic bacteria, is the characteristic that is shared between plant cells and photosynthetic bacteria.
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The Both plant cells and photosynthetic bacteria share the characteristic of conducting photosynthesis to generate energy from sunlight.
Photosynthesis is a crucial process that converts light energy into chemical energy, primarily facilitated by the pigment chlorophyll.
In plant cells, chlorophyll is found within chloroplasts, specialized organelles responsible for photosynthesis.
During photosynthesis, light energy is absorbed by chlorophyll, initiating a series of chemical reactions that result in the synthesis of glucose and other organic compounds.
This process is fundamental for the production of energy-rich molecules that support the growth and development of both plants and photosynthetic bacteria.
The shared ability to carry out photosynthesis highlights a common evolutionary adaptation among these organisms, allowing them to harness solar energy for their metabolic needs.
While plant cells and photosynthetic bacteria differ in their cellular structures and evolutionary history, the convergence in utilizing photosynthesis underscores the importance of this process in sustaining life on Earth.
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Question
Which of the following characteristics is shared by both plant cells and photosynthetic bacteria?
All of the following are examples of organic matter in soil except
please and thanks!
Answer:
Water
Explanation: Soil contains various types of the components in it. The organic matter present in the soil provides fertility to the soil.
The minerals and various types of the salts is also present in soil that helps in the growth of the plants. The dead and decaying organic matter, fungi and decaying plants adds fertility to soil being organic material.
So, Water is not an organic matter.
Answer:
D. Water
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What is ATP?. What does it do?. How do organisms get ATP?.
ATP, or adenosine triphosphate, is the primary energy cash in cells. It discharges energy upon hydrolysis, which is utilized for different cell capabilities. Through cellular respiration of carbohydrates, organisms generate ATP.
ATP is basic for different cell works and goes about as a power hotspot for cycles like muscle withdrawal, nerve drive engendering, and substance union. ATP stores and transports compound energy inside cells. At the point when the cell requires energy, ATP goes through hydrolysis, delivering one of its three phosphate gatherings. As a result of this reaction, ATP is transformed into adenosine diphosphate (ADP) or adenosine monophosphate (AMP), both of which can be utilized for cellular functions. Life forms produce ATP essentially through an interaction called cell breath. In order to produce ATP, carbohydrates like glucose must be broken down in the presence of oxygen in this process. Cell breath incorporates a few phases: glycolysis, the citrus extract cycle, and oxidative phosphorylation, each adding to the union of ATP.Testosterone, estoregen, semen, testis is the hormone that triggers the production of sperm
I didn’t learn this yet but I think it’s testosterone.
Semen is the right answer to your question, you’re welcome and I’m trying to get this 20 word limit over with
Which part of the brain is represented by the highlighted areas shown below?
A.Occipital lobe
B.Frontal lobe
C.Temporal lobe
D. Parietal lobe
Answer:
The correct answer is option C-Temporal lobe.
Explanation:
The fissures in the cerebral hemispheres of the brain divides it into lobes or areas. Each hemisphere of brain is divided into 4 lobes: frontal, parietal, temporal and occipital lobes. These lobes works in complex coordination with each other .
In the figure since the shaded portion is present below frontal lobes and parietal lobes and anterior to occipital lobes therefore it is temporal lobe which controls many functions like memory, hearing, sequencing, organization and understanding language.
Thus, option C-Temporal lobe is the correct answer.
two arguments people might NOT preserve Botana curus.
Answer:
- To costly
-There is another plant that has the same resource to cure cancer and adapts easily to different environments so you don't have to preserve Botana curus
In order to preserve Botana curus a large quantity of money must be used to do so therefore it is not economically reasonable, also if another plant has the same thing to cure cancer use that plant instead .
Which statement best describes the domain of the function represented in the graph?
Answer:
Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.
Which of these formulas is the formula for the base calcium hydroxide?
A. CaOH2
B. Ca OH
c. Ca(OH)2
D. Ca (OH)2
Ca(OH)2
HOPE IT HELPS U
Answer:
Ca(OH)2
Explanation:
Which of the following best explains why clear-cutting forests is more destructive than selectively cutting down trees in forests? a. Clear-cutting eliminates all trees leaving none behind to maintain soil fertility or house native animals. b. Clear-cutting places the land at greater risk for wildfires. c. Clear-cutting makes land more attractive for human development. d. Clear-cutting causes less soil erosion than selective cutting.
Answer:
a. Clear-cutting eliminates all trees leaving none behind to maintain soil fertility or house native animals
Explanation:
The clear-cutting is a process that is very dangerous and harmful for the environment, but also for the humans on the long term. Through this process, the vegetation is totally removed, all trees and shrubs are eliminated. This leaves the soil barren and vulnerable, as it doesn't have a protection from the erosion, thus it is eroded very quickly. Also, the soil losses the plants that have been keeping its fertility at a certain level, so it become infertile very quickly. There's no trees left so that the area can recover, and it will take a very long period that the nature can recover at those places. The animals lose their habitats, so they die out, and the ones that are endangered may even go extinct.
Answer:
its a did the test
Explanation
Which of the following is true about the flow of energy within ecosystems?
Sorry, but there are no any options.
Hello. This question is incomplete. The full question is:
"Which of the following is true about the flow of energy within ecosystems? A. Energy flows from living systems into the physical environment only. B. Energy flows both ways between living systems and the physical environment. C. Energy flows from the physical environment into living systems only. D. Energy does not flow between living systems and the physical environment."
Answer:
B. Energy flows both ways between living systems and the physical environment.
Explanation:
Energy lives in a constant flow within ecosystems. This energy flows in both directions between living systems and the physical environment.
An important aspect to understand the transfer of energy within an ecosystem is the understanding of the first fundamental law of thermodynamics that says: "Energy cannot be created or destroyed, but transformed". As an illustrative example of this condition, we can mention sunlight, which as a source of energy, can be transformed into work, heat or food depending on photosynthetic activity; but in no way can it be destroyed or created.
Another important aspect is the fact that the amount of energy available decreases as it is transferred from one trophic level to another. Thus, in the examples given above of food chains, the grasshopper obtains, by eating the leaves of the tree, chemical energy; however, this energy is much less than the solar energy received by the plant. This loss in transfers occurs successively until the decomposers are reached.
Identify what happens to light in this model of the greenhouse effect.
The greenhouse effect describes how light from the sun is absorbed by the Earth's surface, then reradiated back into the atmosphere as infrared radiation. This radiation is trapped by greenhouse gases, warming the planet. Human activities are increasing greenhouse gas concentrations, intensifying this effect.
Explanation:In the model of the greenhouse effect, light from the sun enters the Earth's atmosphere and is absorbed by the surface of the planet. This energy is then reradiated back into the atmosphere, in the form of longer-wavelength infrared radiation. Much of this infrared radiation is then trapped by greenhouse gases in the atmosphere, including water vapor, methane, and CO₂. This trapped heat energy warms the planet, a process which is similar to how a greenhouse works, hence the term 'greenhouse effect'.
An aspect important to note is that the greenhouse effect is essential for life on Earth, as without it, the planet would be too cold. However, human activities that increase the concentrations of greenhouse gases are intensifying this effect, leading to global warming and subsequent climate change consequences.
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The difference in travel time of P waves and S waves is four minutes, how far from the epicenter is the seismograph station recorded it?
With increasing distance from the earthquake, the time difference between the arrival of the P waves and the arrival of the S waves increases. Put more simply, the higher the time between the S and P waves (the S-P interval), the farther the distance. Describe the process of triangulation to locate an epicenter.
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The time interval between the arrival of the P waves and the arrival of the S waves is longer the more away you are from the earthquake. Simply said, the distance increases as the S-P interval (the amount of time between the S and P waves) increases.
What is the epicentre?
The epicentre is the location on Earth's surface that is immediately above the location underneath (also known as the focus) where the earthquake's fault rupture starts. The area immediately surrounding the epicentre may not experience the worst impacts of the earthquake.
By calculating arcs from three or more seismic observatories, the epicentre may be found. The arcs' radii are proportional to how long it takes seismic waves to travel from the focus to each station. The epicentre is where the arcs' junction occurs. In computer programmes, the analogous algebraic analysis is carried out.
Therefore, the time interval between the arrival of the P waves and the arrival of the S waves lengthens as the distance from the earthquake rises. Simply put, the distance increases as the duration between the S and P waves (the S-P gap) increases.
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One thing that a butterfly and a dolphin have in common is that they consist of million of cells. This means they are both classified as ________.
A. Prokaryotes
B. Eukaryotes
C. Unicellular
D. Multicellular
E. Autotrophs
F. Heterotrophs
Answer: multicellular
The term "multicellular" means having many cells. A butterfly and dolphin are both classified as multicellular organisms because they consist of millions of cells.
One thing that a butterfly and a dolphin have in common is that they consist of million of cells. This means they are both classified as Multicellular which is in option D as both butterflies and dolphins are multicellular organisms.
The cells in multicellular organisms are organized into tissues, which are groups of cells that work together to perform a specific function. Different types of tissues can be found in multicellular organisms, such as muscle tissue for movement, nervous tissue for communication and coordination, epithelial tissue for lining and protecting body surfaces, and connective tissue for support and structure. Tissues can further organize into organs, which are structures composed of multiple tissues working together to carry out specific functions.
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how does carbon cycle through the earths systems ?
Carbon is taken from the atmosphere, as carbon dioxide, by plants through photosynthesis and incorporated into the biosphere as carbohydrates. Carbon dioxide from the atmosphere also gets dissolved in the water of the hydrosphere and utilized by photoautotrophs. This carbon held up in biosphere can be released by the atmosphere through processes such as combustion and decomposition.
A typical phage virus has which two structures?
Answer:
Bacteriophages are composed of proteins that encapsulate a DNA or RNA genome, and may have relatively simple or elaborate structures. Their genomes may encode as few as four genes and as many as hundreds of genes. Phages replicate within the bacterium following the injection of their genome into its cytoplasm.
Explanation:
A) a protein coat and a nucleic acid core
mitohondria is responisble for ?
a. DNA maintance
b. storage
c. protein production
d. procviding energy for the cell
Describe reproduction in gymnosperms
Answer: Female gametes (megaspores) are produced in gametophyte structures called archegonia located in ovulate cones. ... Fertilization in gymnosperms occurs when pollen grains contact the female ovule and germinate. Sperm cells make their way to the egg inside the ovule and fertilize the egg.
Explanation: lol
Which benefit of ice on the surface of a lake is most helptful to fish? A. It shades the fish from the heating effects of the sun B. It insulates the fish from the cold air above C. It helps them stay cold D. It prevents them from swimming in the winter
B. It insulates the fish from the cold air above
Just like an igloo
Answer:
Option B, It insulates the fish from the cold air above
Explanation:
Water bodies in cold climatic regions have frozen ice at their top. Basically, this ice (frozen water) entraps air pockets inside it which acts like an insulator and prevent the aquatic plants and animals from the extreme cold climate. Thus, ice on the surface of any water body protects the species beneath the ice layer from extreme cold climatic conditions. For example Michigan lakes and ponds get freeze during cold climatic condition.
Option B is correct
is heat carried by the blood to the cells or away from the cells?
Answer:
excessive heat carried by the blood away from the cells..
Explanation:
because the heat would cause cell destruction, depending on circumstance..think of homeostasis..the body's way of keeping the body at a normal level...
Excessive heat is carried away from the cells. If heat is carried to the blood cells it would lead to cell destruction.
What is Heat?Heat is a form of energy. It is transferred from higher body temperature to lower body temperature. Heat transfer is the process of thermal energy exchange due to temperature differences.
Heat transfer takes via three modes conduction, convection, and radiation. In the human body, heat transfer takes place via conduction. The organisms maintain the body temperature of the body by thermoregulation.
Thermoregulation is a biological mechanism by which organisms maintain their internal body temperature.
Therefore, Excessive heat is carried away from the cells. If heat is carried to the blood cells it would lead to cell destruction.
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