Answer:
B
Explanation:
The second option correctly shows the process of cellular osmosis.
When the grapes would be immersed in water, the molecules of water move across the cell membrane from the region of low to high solute concentration. Due to this, the water would leave the cells and diffusion of water from the cells of the grapes. Thus, option B is the correct answer.
In conclusion, the procedure that uses a cluster of grapes left overnight in a high concentration of salt water would BEST demonstrate cellular osmosis (Option B).
Osmosis refers to the movement of a solution (often water) across a selectively permeable membrane.This movement (osmosis) is due to the difference in solute concentrations on both sides of the semipermeable membrane.In osmosis, water molecules move from a region of low concentration of solutes (e.g., salt) to a region of high concentration of solutes.
In conclusion, the procedure that uses a cluster of grapes left overnight in a high concentration of salt water would BEST demonstrate cellular osmosis (Option B).
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A scientist makes the argument that she has found DNA evidence that shows that evolution does not exist. What would her evidence have to show for her to be correct?
A-Strong genetic similarities in closely related organisms and weak genetic similarities in distantly related organisms.
B-Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related organisms.
C-Strong physical similarities among closely related organisms and also among distantly related organisms.
D-Weak physical similarities among closely related organisms and also among distantly related organisms.
Answer:
B. Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related organisms
Explanation:
just took the quiz
Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related organisms will be an evidence against existence of evolution.
What are the evidence for evolution?The evidence for evolution of species include similarity in the DNA of closely related species as well as similar structural and anatomical features.
Therefore, an evidence to prove that evolution does not exist will be weak genetic similarities in closely related organisms and strong genetic similarities in distantly related organisms.
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Scientists have a theory about the relationship between climate and biodiversity. Which best describes this theory?
Warmer climates promote higher biodiversity, allowing plants to grow year-round. This supports more organisms that rely on plants.
Colder climates promote higher biodiversity, reducing the competition among organisms for food. This supports stronger organisms that live longer.
Warmer climates promote higher biodiversity because they tend to receive more rainfall. This provides a source of water for more organisms.
Colder climates promote higher biodiversity because they are usually larger in size. This provides space for more organisms.
Answer:
c
Explanation:
"warmer climates promote higher biodiversity because they tend to receive more rainfall. This provides a source of water for more organisms."
Answer:
The correct answer is A
Both natural processes and human activity are causing some of Earth's permanent bodies of ice to melt. If enough of this ice melts, it will add warm freshwater to the northern Atlantic Ocean, where deep water currents start. What effect is this likely to have
Answer:
EFFECTS - : Melting glaciers and icebergs release fresh water and reduce the salinity of the surrounding sea. The seawater also becomes less dense, changing patterns of ocean currents.
Explanation -
MELTING OF ICE AND ADDING WARM FRESH WATER TO NORTH ATLANTIC OCEAN -: As part of the thermohaline circulation (also called the Global Ocean Conveyor), seawater flows through the Atlantic, the normal pattern by which seawater passes to the oceans of the world. Due to variations in water density caused by differences in temperature and salinity, the water in the Global Ocean Conveyor circulates. Colder water is denser than colder water, while salter water is denser than fresh water or less salty water.
Water heated at the Equator flows north to cold high latitudes at the surface of the ocean, where it becomes colder. When it cools, the deep ocean becomes denser and sinks. To take its place, more warm surface water flows in, cools, sinks, and the pattern continues. But this trend may be modified by melting Arctic sea ice.
The influx of freshwater from the melting ice makes seawater less salty and thus less thick at high latitudes as the Planet begins to warm and Arctic sea ice melts. In reality, data shows that over the past few decades, the North Atlantic has already become fresher.
Answer:
Salinity changes in water
Explanation:
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Explain the importance of the location of female cones found in cone-bearing trees?
The female cones are heavier and bigger than male cones therefore; it needs to be in the bottom.
More animals eat the male cones therefore; it needs to be located at the top of the tree.
The female cones' location is important because male cones drop their pollen from the top of the tree.
More animals are attracted to female cones therefore; it is easier to reach them at the bottom.
Answer:
The correct answer is B.
Explanation:
Sorry, I got a little sidetracked. lol
Have a great day!
Answer:
The female cones' location is important because male cones drop their pollen from the top of the tree.
Explanation:
Their are both male and female cones. The male cones at the top contain pollen, and it falls to the bottom. The female cones at the bottom catch the pollen with their scales and uses it for fertilizing the soon-to-be seed.
:D
Which of the following statements best describes the process of photosynthesis?
Answer:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Explanation:
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What is not a monomer of disaccharide
Answer:
A disaccharide is a carbohydrate polymer composed of two sugar monomers (monosaccharides) which are joined by a glycosidic bond formed by a condensation reaction.
Answer:
Explanation:
Disaccharide is a sugar, the prefix Di means 2, the prefix mono means 1, so 2 monosaccharides is 1 disaccharide. Long chains of monosaccharides make polysaccharides(more than 2).
The monomers of proteins are amino acids
The monomers of Carbohydrates are monosaccharides
There are no monomers to Lipids
The monomers of Nucleic acids are nucleotides
How do active and passive transport help a cell respond to changes in the environment?
Active and passive transport help a cell in responding to the changes in the outside environment as both of these processes help in transporting substance into and out of the cell and maintaining the homeostasis in cell.
What is Cellular transport?
Cellular transport is the process of transportation of substances into and out of the cell. Cellular transport includes different processes such as active and passive transport. The active transport requires energy for transporting substances against the concentration gradient and the passive transport does not require energy as the substances move in the direction from high concentration to low concentration of solutes.
The transport of substances which are required by the cell and excretion is possible through active and passive transport. these processes helps in maintaining homeostasis in the cell.
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What happens when energy is released from ATP?
1, ATP adds a phosphate
2, ATP completely breaks apart
3, ATP loses all three of its phosphates
4, ATP loses the 3rd phosphate
PLS HELP FAST!!!! You have a natural-gas (methane, CH4) stove. When you ignite a natural-gas stove, the methane reacts with oxygen (O2) to produce carbon dioxide and water vapor. Write a balanced equation for this reaction, and be sure to show your work. (6 points)
Answer:
Methane (CH4) ( C H 4 ) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4+2O2→CO2+2H2O C H 4 + 2 O 2 → C O 2 + 2 H 2 O .
Explanation:
The balanced equation for the reaction of methane with oxygen is CH₄ + 2O₂→CO₂ + 2H₂O.
What is methane?Methane is a gas and a chemical compound with formula CH₄. It is a colorless and odorless gas and very flammable. It is made up of carbon and hydrogen. Methane comes under greenhouse gas.
As it is highly reactive, it reacts with the gases present in the environment. Here, methane is reacting with oxygen. When one molecule of methane reacts with two molecules of oxygen, it produces carbon dioxide and two molecules of water.
The reaction happens in the presence of heat and high temperature. The balanced reaction is written when the same number of moles are present on both sides of the reaction.
CH₄ + 2O₂ → CO₂ + 2H₂O.
Thus, the balanced equation for the reaction CH₄ + 2O₂→CO₂ + 2H₂O CH₄ + 2O₂ → CO₂ + 2H₂O.
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Claim Evidence Reasoning. Evaluate the following claim: Meiosis is different than Mitosis.
Answer/Explanation:
Yes, although they have similarities, meiosis and mitosis are different.
SimilaritiesMeiosis and mitosis are both types of cell division that results in the production of daughter cells.
They go through similar processes of prophase, metaphase, anaphase, and telophase.
DifferencesHowever, mitosis produces two genetically identical diploid daughter cells from a diploid parent cell.
Meiosis produces four genetically different haploid cells from a diploid parent cell.
There are two rounds of cell division in meiosis, and only one round in mitosis.
Which of the following best describes how the chemical energy travels up the food pyramid?
Answer:
Hope it help you
Stayhomestaysafe
Plz mark my answer brainliest✍️✍️
Explanation:
Chemical energy is used by each of the. organisms in the food pyramid, resulting in less. ... organisms in the food pyramid, resulting in more. energy as it moves up the pyramid.
REAL NAME - SHRESTH DUBEY
Explain how the structure of saturated fats poses a danger to your health.
Answer:
Saturated fats are long chains of rigid fats.
Explanation:
Saturated fats will raise the cholesterol levels of an individual. Their structure results in deposits of fatty acids within arteries and vastly increases the risk of heart-related disease.
Hope this helps
18. What structure of the tibia forms the medial portion of the ankle?
Answer: Medial Malleolus formed by the end of the tibia.
Explanation: Took human anatomy.
Hope this helps!
is there an edge to the universe?
Answer:
And although our observable universe has an edge, the universe as a whole is infinite and has no edge. ... Many galaxies are so far away from the earth that the expansion of the universe causes them to recede from the earth at a speed faster than light.
Explanation:
Hope This Helps Friend!
Answer: The universe as a whole is infinite and has no edge. Many galaxies are so far away from the earth that the expansion of the universe causes them to recede from the earth at a speed faster than light.
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Which statement gives an advantage of multicellular organisms?
Cells are able to provide support.
Their size allows them to maintain structure easily.
They need small amounts of energy.
They can reproduce quickly.
Answer:
Their size allows them to maintain structure easily.
Explanation:
Multicellular organisms thus have the competitive advantages of an increase in size without its limitations. They can have longer lifespans as they can continue living when individual cells die.
Answer:
Their size allows them to maintain structure easily.
Explanation:
How does a radio use radiant energy
Answer Explanation:
A radio uses an electromagnetic energy in the form of radiant energy. This is an invisible energy in the form of radio waves that can travel through space.
When it comes to radio, the radio waves are received by the radio tuner. It is then converted into sound waves that are audible to the human ears. Unlike the other electromagnetic radiation, the radio waves are harmless since they do not cause any harm to the human body. This is the reason why, it is more commonly used for telecommunications and toys controlled by remote.
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1. If a cell's organelle worked in an actual human factory and had the role of the electric generator,
which organelle would it be?
O mitochondrion
O lysosome
ribosome
Golgi apparatus
Answer:
mitochondrion
Explanation:
Give an example of an adaptive radiation. Provide evidence to support the claim that the radiation originated with one or a few species, that it was rapid and the descendant groups occupy a wide array of ecological niches. Suggest a hypothesis to explain why the radiation occurred.
Answer:
An example of an adaptive radiation with evidence to support the claim that the radiation originated with one or a few species is discussed below in details.
Explanation:
The method of evolution of various classes in a given geographical area originating from a spot and spreading to other regions or habitat is described as adaptive radiation. For example, modifications in nozzles of finches on Galapagos island.
Adaptive radiation indicates the adaptation of an organism that allows it to favorably spread, or radiate, into other circumstances. Adaptive radiation commences to speciation and is only used to explain living organisms.
Bats are common in Texas especially in rocky regions bats with longer hang claws have demonstrated higher fitness because of their ability to cling to rock while resting this adaptive on is becoming more frequent in the population.What mechanism of evolution is this
Answer:
Natural selection
Explanation:
Natural selection is the mechanism of evolution in which organisms evolve in order to adapt the changes in the habitat for their survival. Living organisms are naturally variable and adjust themselves according to their surroundings.
In the given example, bats in Texas evolve themselves with longer hang claws to adapt the rocky nature of the surrounding. These longer hang claws provide them the ability to cling to the rock, which is an adaptive feature of bats that is influenced by the environment.
Hence, the correct option is "Natural selection".
Where does a secondary consumer get its food?
Answer:
Secondary consumers get their food from from primary consumers(animals that feed on plants e.g goat) only. Eg of secondary consumers are tigers,lions etc.
WILL MARK BRAILIEST. Can someone help me wit des seven questions? (The issue is Air Pollution.)
1.) What is the issue? (Briefly describe the issue.)
2.) How does your issue affect 3 or more specific characteristics of the Chesapeake Bay?
3.) What specific actions are people taking to solve this issue or improve the situation? (Include 3 or more actions.)
4.) Describe how those actions will most likely affect the Chesapeake Bay. (Be as specific as possible.)
5.) In what ways does the Chesapeake Bay provide habitat?
6.) In what ways does the Chesapeake Bay provide opportunities for recreation?
7.) In what ways does the Chesapeake Bay provide opportunities for jobs and businesses ?
1. Air pollution is the presence of substances- such as carbon monoxide, nitrogen oxide, lead and sulfur dioxide- in the atmosphere that are harmful to the health of living beings, or damaging to the climate or other materials. Some causes of air pollution are burning of Fossil Fuels, aricultural Activities and waste in landfills
2. Air pollution from from power plants, vehicle exhaust, and other man-made causes have caused great affects to Chesapeake bay. Firstly, nitrogen from the air enters the Bay via the rain, which contribute to algal blooms. These algal blooms absorb oxygen from the water and create dead zones that cannot sustain marine animal or plant life.
Secondly, pollution from the power plants in the area- consisting mainly of the toxic chemical mercury- pose risk to anglers in the area. These contaminants can bind to sediment and enter bodies of small, bottom-dwelling organisms like worms, clams or crustaceans. Through a process known as bioaccumulation, fish that consume contaminated organisms can accumulate these toxins in their own tissue. Anglers are warned to limit their consumption of certain fish from the Bay due to potentially harmful levels of the chemical.
Lastly, exposure to air pollution will affect those living in, and visiting, the Bay. Air pollution can also cause headaches, dizziness, and nausea, as well as long-term health effects including heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs
3. The Chesapeake Bay is arguably the most studied large body of water on earth. Forty years of intense scientific investigation by leading estuarine scientists have identified why the Chesapeake is degraded and how to fix it. No other water body in the world can boast this level of scientific understanding.
The first action being taken to protect the bay from air pollution is by planting more plant life in the area. Through a process called attenuation, forests can reduce the amount of pollutants in the air. The plants roots and leaves and forest soils absorb and trap airborne pollutants. They can capture more than 85 percent of the nitrogen that falls onto them from the air, keeping it out of the bay.
Secondly people are changing the way they travel around and near the Bay. To lower air pollution people consider learning how to drive the Bay-friendly way; walk bike, take public transport and carpool when possible. They also try to use electric or manual lawn mowers and yard tools instead of gas-powered machines.
Thirdly, the Environmental protection agency developed the Chesapeake Bay Total Maximum Daily Load in 2010 (TMDL). It set limits on the amount of nitrogen, phosphorus, and sediment that can enter the Bay and its tidal rivers to meet water quality goals. Ever since, the EPA has kept track on the progress of the Chesapeake Bays health.
4.
In planting more trees and plants near the Chesapeake Bay area, it will prevent some sediment and pollutants entering the water. The plants roots and leaves and forest soils absorb and trap airborne pollutants. They can capture more than 85 percent of the nitrogen that falls onto them from the air, keeping it out of the bay through attenuation.
Secondly by reducing the amount of pollutants entering the air via petrol powered machines and cars, the amount of pollutants entering the waters will decrease. Each year, more than 85 million pounds of nitrogen pollution—about one-third of the Bay's total yearly load—comes from air pollution, and with 18 million people living in the Chesapeake Bay watershed, you can imagine how much difference cutting down on transport generated pollution would make.
Finally setting the TMDL will aid in preventing the amount of pollutants in the water reaching a high concentration and hopefully reduce the amount of algal blooms and dead zones within the bay.
5. The bay provides habitat for many organisms. Amongst forests, rivers and streams, shallow waters, beaches and tidal flats, aquatic reefs, wetlands and waters- the bay supports life such as crabs, fish, birds, worms, molluscs, corals, aquatic plants, trees and shrubbery and amphibians.
6. There are many opportunities for recreation in Chesapeake Bay. For example hiking, bike riding, hunting, bird watching, boating, fossil hunting, fishing and golfing.
7. The Chesapeake Bay provides job opportunities for scientists in terms of studying the waters and the ecosystems existing within it, those wishing to attract tourists through the marketing of outdoor activities, those who work in the nearby native American or maritime museums and those selling seafood such as fishermen
Engineers tasked with building a car bumper need high-quality plastic that is readily available. They found the material polycarbonate, which is long-lasting and not too costly. Which is one technological design criterion they have already met? be available be attractive be durable be safe
Answer:
be durable
Explanation:
From the scenario described the Engineers have met one of the main criteria which is for it to be durable. A design needs to be made with a material that is available, durable, and cheap in order for it to be as efficient as possible while also selling and being profitable. By finding the material polycarbonate they have made sure that the design will be durable as well as cost-efficient since the material is "not too costly". Now if they are able to acquire the material in large quantities then they would have met the availability criteria as well.
Answer:
The answer is C
Which property of water makes it mix well with most solutes?
A. Cohesion and Adhesion
B. High Heat Capacity
C. Universal solvent
Answer:
it would be C. Universal solvent
A consequence of "yo-yo" dieting is that
A. the body will actually store more fat around the waist.
B. a person will develop allergies to certain foods.
cholesterol levels will increase.
D. the chances of developing diabetes will increase.
Answer:
It's ( A )
The body will actually store more fat around the waist.
In 2003 a disease called SARS was a major concern for health officials. SARS is a very contagious respiratory disease. People were infected by SARS in several countries. Fortunately, health officials worked quickly to get the disease under control before it spread worldwide. Which statement best describes SARS? SARS was an epidemic, but not a pandemic. SARS was a pandemic, but not an epidemic. SARS was both a pandemic and an epidemic. SARS was neither a pandemic nor an epidemic.
Answer:
The correct answer is - SARS was both a pandemic and an epidemic
Explanation:
SARS or Severe acute respiratory syndrome is a viral infection that is first reported inChina in 2003 and caused by a coronavirus. It was moving swiftly continent by continent as an epidemic that was limited to Asia but soon it infected the countries in different continents like North America, South America, Asia, and European countries to become a global epidemic or pandemic.
Thus, the correct answer is - SARS was both a pandemic and an epidemic
A researcher finds that males in two populations of bowerbirds make different types of structures to attract female birds. The males of population 1 build hut-shaped structures and decorate them with colorful objects. The males of population 2 loosely interweave sticks around a central pole and decorate it with dull-colored objects. Female bowerbirds prefer structures made by males of their own population.
Answer:
.....
Explanation:
....
Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process?
Answer:
A) Food digestion
Explanation:
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Are all gamma rays shorter than X-rays? Explain your answer.
Answer:
traviol light. Visible. Gama. Ray light. Microwave. Radio, X-ray photons have longer shorter wavelengths than gamma ray photons. Of all the types of light the Sun gives off, it emits the greatest amount of light
Explanation:
Answer:
yes
Explanation:
The wavelength of a gamma ray is shorter than the wavelength of an x-ray
What is one way that creativity made up for limited technology for early biologists?
Scientists created unique experiments for exploring living organisms without killing them.
Scientists personally designed the custom equipment they needed for their experiments.
Scientists were able to use their imaginations rather than experiments to answer questions.
Scientists developed advanced mathematics to compensate for limited technology.
Answer:
A
Explanation:
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