What is an example of rapid evolution?
1 point
A giraffes necks lengthening
B birds developing shorter beaks
C butterflies changing from a worm to a caterpillar
D bacteria becoming resistant to antibiotics

Answer:

Glucose

Explanation:

glucose is the process of photosynsythes in plants or carbs in anamals or fats

Carbons are groups of atoms that occur within molecules and confer specific chemical properties to those molecules.

The carbon atom's primary features are as follows:

The carbon atom's valency is 4. With other atoms, carbon can form single, double, and triple bonds. By joining forces with other carbon atoms and other elements, it can form straight chains, branching chains, and cyclic compounds. Functional groups are collections of atoms that exist within molecules and provide those compounds with particular chemical characteristics. The "carbon backbone" of macromolecules is where we discover them. Coal, which is mostly composed of carbon, is used as a fuel. Graphite is used for electrodes, dry cells, high-temperature crucibles, pencil tips, and lubricants. Due to their extreme hardness, diamonds are also employed in the industry for cutting, drilling, grinding, and polishing.

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Answer:

B. respiratory illness

Explanation:

Air pollution causes humans to breathe unhealthy air which can lead to respiratory illnesses.

The annual changes in carbon dioxide are caused by seasonal plant growth, whereas the cumulative rise over many years is due to a combination of fossil fuel consumption, deforestation, and cement production.

Although photosynthesis also takes place in the oceans, only land-based photosynthesis drives the seasonal cycles, since very little of the CO2 produced there actually enters the atmosphere.

Therefore, Since seasonal CO2 swings are a result of photosynthesis, areas with more vegetation will see more variations.

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According to Lappe, the right issue that proponents and opponents of biotechnology should be focusing on is the larger, systemic issues surrounding our food system, such as equity, access, and sustainability.

Frances Moore Lappé, a prominent author and activist, argues that the debate surrounding biotechnology is distracting from the real issue, which is the concentration of corporate power in the food system. She believes that the biotechnology industry is using its power to shape the food system in a way that benefits corporate interests, rather than the health and well-being of consumers and the environment.

According to Lappé, the real issue is not whether biotechnology is inherently good or bad, but rather the way in which it is being used to concentrate power and control over the food system. She argues that the biotechnology industry is promoting a narrow set of solutions to complex problems, such as hunger and environmental degradation, while ignoring the social, economic, and political factors that contribute to these issues.

In Lappé's view, the solution is to promote a more democratic and decentralized food system, one that empowers people to make informed choices about the food they eat and the way it is produced. She believes that this can be achieved through policies that promote local food systems, support small-scale farmers, and increase transparency and accountability in the food industry. She argues that biotechnology is just one piece of the puzzle and that we need to address the root causes of the problems in our food system in order to create meaningful change.

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Answer:

Not really sure about this question but what I think is,

So for example, metal..Metal has a very low specific heat capacity, but we use it pretty much in all our lifetime right? Things that have low heat capacity have very high capacity if that makes sense. Things like water and oil, they take more energy to get heat up or get hot. Its funny because its what makes our planet survivable. 70% of our planet is of course water and radiation (light and heat) from the sun strikes 70% of water. Meaning its not heating anything up so quickly. Hope this somewhat helps you out and gives you an idea on what the question is talking about :) Enjoy!

Explanation:

Answer:bsna

Explanation:

Answer: 2, and 6 are correct

Explanation: Ur welcome!

Do I get brainliest now?

Answer:

2 and 6

Explanation:

Hope this helps!

A cladogram is a diagram or tree-like structure that represents the evolutionary relationships between different species or groups of organisms. It visually displays the shared ancestry and common evolutionary history among organisms.

The construction of a cladogram is based on analyzing various shared characteristics, or traits, among the organisms being studied. These traits can be morphological (physical characteristics), genetic (DNA sequences), or behavioral. The more shared traits two organisms have, the more closely related they are believed to be.

A cladogram typically starts with a common ancestor at the base, and as you move upward along the branches, it represents the divergence of species over time.

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The culminating event in atherosclerosis that causes a heart attack or stroke in most cases is "the plaque cracks or ruptures, sending a blood clot downstream."

Atherosclerosis is a condition characterized by the accumulation of fatty deposits (plaques) within the walls of arteries, leading to narrowing and hardening of the arteries. The plaques can become unstable over time, and if they crack or rupture, it exposes the underlying tissue and triggers the formation of blood clots. These blood clots can then obstruct the flow of blood in the affected artery or break free and travel to other parts of the body, causing a heart attack or stroke.

When a blood clot completely blocks an artery, it leads to an ischemic event, resulting in tissue damage or death due to the lack of oxygen and nutrients. This scenario commonly occurs when the plaque cracks or ruptures, leading to the formation of a blood clot that can occlude the artery, causing a heart attack (in coronary arteries) or stroke (in cerebral arteries).

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The burning of fossil fuels, slash and burn agriculture, and volcanic activity is called Air pollution.

Most automobiles and power plants burn fossil fuels. These non-renewable resources power nearly all manufacturing and other businesses. Carbon monoxide, nitrogen dioxide, sulphur dioxide, and hydrocarbons are a few of these pollutants.

Biomass is total amount of living material present in an environment. Burning biomass is done for slash-and-burn farming. The pollutants, which include CO2, carbon monoxide, methane, particulates, nitrous oxide, hydrocarbons, and organic and elemental carbon, are largely the same as those produced by burning fossil fuels.

When anything burns, particles are produced. Particulates can also be found in nature as a result of dust from wind or volcanic eruptions.

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When the Conus magus sea snail fires a hook into a fish, the hook delivers a powerful poison. This poison acts by interfering with the release of neurotransmitters in the fish's body.

Neurotransmitters are chemical messengers that allow nerve cells to communicate with each other. They are essential for the proper functioning of the nervous system, including the transmission of signals for muscle movement. By blocking the release of neurotransmitters, the poison disrupts the communication between nerve cells, leading to paralysis in the fish. Essentially, the fish's muscles are unable to receive the necessary signals to move, resulting in paralysis.
(b) To determine if the poison produced by the Conus magus snail can be used as a painkiller in humans, a double-blind trial would be conducted. In this type of trial, both the participants and the researchers would be unaware of who is receiving the actual poison or a placebo. This helps to eliminate bias and ensures accurate evaluation of the poison's effectiveness.
The trial would involve randomly assigning participants into two groups. One group would receive the actual poison, while the other would receive a placebo. The poison and placebo would be prepared in a way that they appear identical, so neither the participants nor the researchers can distinguish between them.
Throughout the trial, the participants would be monitored for pain relief and any potential side effects. Their pain levels would be assessed using standardized measurements, and comparisons would be made between the two groups. Statistical analysis would then be conducted to determine if there is a significant difference in pain relief between the two groups.
By using a double-blind trial design, researchers can minimize biases and ensure that the results are reliable and unbiased. This method allows for a rigorous evaluation of the poison's effectiveness as a painkiller in humans.

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The molecule that does NOT contain high-energy electrons is d. H-O-H (water). The other options (a. food molecules, b. C-H bonds, c. sugars, and e. proteins) do contain high-energy electrons.

When answering questions on Brainly, you should always be factually accurate, professional, and friendly. Additionally, you should be concise and avoid providing extraneous amounts of detail. You should also use the following terms in your answer:Student question: Which bond or molecule does NOT contain high-energy electrons? First exclude the four bonds or molecules that do contain high-energy electrons.a. food moleculesb. C-H bondsc. sugarsd. H-O-He. proteinsAnswer:The bond or molecule that does NOT contain high-energy electrons is H-O-H.H-O-H is water, which contains a covalent bond. It is the result of hydrogen bonding, and it does not contain high-energy electrons. However, this does not mean that H-O-H does not have any electrons at all. It simply means that the electrons that are present in this bond are not considered high-energy electrons.Therefore, the correct option is d. H-O-H.

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The percent composition of calcium (Ca) in CaO is approximately 71.43%.

To determine the percent composition of calcium in calcium oxide (CaO), we need to calculate the mass percentage of calcium in the compound.

The molecular formula of calcium oxide is CaO, which indicates that there is one calcium atom (Ca) and one oxygen atom (O) in the compound.

The molar mass of CaO can be calculated by adding the atomic masses of calcium (Ca) and oxygen (O). The atomic mass of calcium is approximately 40.08 g/mol, and the atomic mass of oxygen is about 16.00 g/mol. Therefore, the molar mass of CaO is approximately 56.08 g/mol.

To determine the percent composition of calcium in CaO, we divide the molar mass of calcium by the molar mass of CaO and multiply by 100:

Percent composition of calcium (Ca) = (molar mass of Ca / molar mass of CaO) * 100

                                   = (40.08 g/mol / 56.08 g/mol) * 100

                                   ≈ 71.43%

Therefore, the percent composition of calcium in CaO is approximately 71.43%.

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Answer:

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

Explanation:

I don't know if it can help you

Answer:

A method of discovering knowledge about the natural world based on making falsifiable predictions (hypotheses), testing them empirically, and developing peer-reviewed theories that best explain the known data

This is an example of evolution by natural selection. The cacti with fewer than four spines were more vulnerable to being eaten by wild boars, leading to a selective pressure on the cactus population.

The cacti with more spines had a better chance of survival and reproduction, passing on their genetic traits to the next generation. Over time, the cactus population evolved to have an average of six spines per square centimeter, which improved their chances of survival against the wild boar threat. This is a classic example of natural selection and adaptation in response to environmental pressures.

Natural selection occurs when certain traits or characteristics of an organism allow it to survive and reproduce more successfully in a particular environment, leading to an increase in the frequency of those traits in subsequent generations.

Overall, this scenario illustrates the power of natural selection to shape the traits and characteristics of populations over time, as organisms adapt to changing environmental conditions.

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True. Corynebacterium diphtheriae produces an exotoxin known as the diphtheria toxin, which consists of two subunits: the A subunit and the B subunit. The A subunit is responsible for the toxic activity of the toxin.

It possesses ADP-ribosyltransferase activity, which transfers an ADP-ribose group from nicotinamide adenine dinucleotide (NAD) to elongation factor 2 (EF-2), a protein involved in protein synthesis.

The transfer of ADP-ribose to EF-2 inhibits its function, leading to the inhibition of protein synthesis in the host cell. This disruption of protein synthesis contributes to the characteristic symptoms of diphtheria, including the formation of a pseudomembrane in the throat and the potential for systemic complications.

The diphtheria toxin's ADP-ribosylation activity on EF-2 is crucial for the pathogenicity of Corynebacterium diphtheriae, as it allows the bacterium to evade the host's immune response and establish infection. Inhibition of protein synthesis ultimately leads to cell death and tissue damage in affected individuals.

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Swamps and marshes can both be examples of freshwater wetlands.

Freshwater wetlands are places that water covers soil, or you can feel that the area is moist or wet.

Freshwater wetlands support a diverse range of plant and animal life adapted to living in saturated or flooded conditions.

They are very importnt to water purification, flood control, and providing habitat for wildlife.

Ponds, lakes, and rivers are bodies of freshwater, they are nt considered wetlands on their own

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Based on the information you provided, I can explain the concept of homozygous alleles for the smooth pod trait.

In the given scenario, if a plant with constricted pods (which is likely heterozygous for the trait) is mated with a plant with smooth pods (which is likely homozygous for the trait), the resulting offspring with smooth pods would be heterozygous for the trait.

Homozygous alleles refer to having two identical alleles for a particular gene. In this case, if the offspring with smooth pods from the initial mating are mated with each other, there is a 25 percent chance that they will produce offspring with constricted pods. This suggests that the parents must have carried a recessive allele for the constricted pod trait.

To identify the offspring with homozygous alleles for the smooth pod trait, you would need additional information or data on the genetic makeup or genotypes of the specific plants involved in the mating process.

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The plants that have homozygous alleles for the smooth pod trait are those identified with SS.

To begin, if there are homozygous alleles, this implies the alleles are identical, which means the letters representing the alleles would be identical as well.

Moreover, the allele for the smooth pod trait is a dominant allele as this is the allele expressed if combined with constricted pods. Based on this, the allele should be represented in capital letters as SS.

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Answer:

5. UAC AGC GAC UAU GAC

6. CUU CGC UAG UCA AUG

7. UUACUUAUCGAUCGA.

YOU WELCOME IF ITS RIGHT ;)

Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.

These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.

For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.

Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.

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Explanation:

Oxygen cycle refers to the movement of oxygen through the atmosphere, biosphere and the lithosphere. T

Answer:

Explanation:

The estimated population of the U.S. was approximately 331.89 million in 2021, and the largest age group was adults aged 30 to 34. There were 11.67 million males in this age category and around 11.43 million females

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Answer

The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is called Divergence

Explanation:

Because In a diverging circuit, a single neuron synapses with more than one postsynaptic cell and Each of these synapses with additional number of cells thus allowing for one neuron to stimulate up to a very large number of cells.

Answer: becteria

Explanation:

pasteur diveded micro-organisms in to severel group of and control groups.

Answer:

Krebs cycle, tricarboxylic acid cycle.

Explanation:

Cellular respiration is what cells do to break up sugars to get energy they can use. ... Usually, this process uses oxygen, and is called aerobic respiration. It has four stages known as glycolysis, Link reaction, the Krebs cycle, and the electron transport chain.

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules[1] or nutrients into adenosine triphosphate (ATP), and then release waste products.[2] The reactions involved in respiration are catabolic reactions, which break large molecules into smaller ones, releasing energy because weak high-energy bonds, in particular in molecular oxygen,[3] are replaced by stronger bonds in the products. Respiration is one of the key ways a cell releases chemical energy to fuel cellular activity. The overall reaction occurs in a series of biochemical steps, some of which are redox reactions. Although cellular respiration is technically a combustion reaction, it clearly does not resemble one when it occurs in a living cell because of the slow, controlled release of energy from the series of reactions.

Nutrients that are commonly used by animal and plant cells in respiration include sugar, amino acids and fatty acids, and the most common oxidizing agent providing most of the chemical energy is molecular oxygen (O2).[1] The chemical energy stored in ATP (the bond of its third phosphate group to the rest of the molecule can be broken allowing more stable products to form, thereby releasing energy for use by the cell) can then be used to drive processes requiring energy, including biosynthesis, locomotion or transport of molecules across cell membranes.

Answer:

Alternative Titles: cell respiration, tissue respiration. Discover how cellular respiration transforms your food into energy usable by your cells. Cellular respiration releases stored energy in glucose molecules and converts it into a form of energy that can be used by cells.

Explanation:

The main difference between photosynthesis and cellular respiration is that photosynthesis is an anabolic process, where the synthesis of organic compounds occurs, storing energy whereas cellular respiration is a catabolic process, where the stored organic compounds are utilized, producing energy.