Need help on checking my answers! The ones circled in yellow are the ones that I believe the answers are. Please and thank you

Answer 1:

It should be used in an useful manner and it should not be wasted or misused by the people such as washing the clothes, bathing the animals and so on. These are the ways need to do to reduce the pollution in streams and ground water linked to conservation

Answer 2:

Streams and ground water are the water we use for daily use. so by reducing the pollution we indirectly help in water conservation.

Reducing pollution in streams and groundwater is important for water conservation as it helps maintain ecosystems and replenish water sources. Steps to conserve water include using efficient appliances and harvesting rainwater, incentivized by economic benefits. Pollutant reductions occur where it's economically viable, affecting 20% of U.S. groundwater use.

Reducing pollution in streams and groundwater is intrinsically linked to water conservation efforts. By reclaiming water for reuse instead of drawing from freshwater supplies, we can conserve water and allow used water to benefit ecosystems upon its eventual discharge back into nature. This can improve streamflow, nourish plant life, and help recharge aquifers as part of the natural water cycle.

In order to conserve water more efficiently, groups can take steps such as using water-saving appliances, fixing leaks, and implementing rainwater harvesting systems. These steps may not be taken due to a lack of awareness or incentives. Thus, introducing incentives such as rebates for water-efficient products, tiered water pricing to encourage lower consumption, and educational programs could encourage conservation.

Furthermore, reductions in pollution are most likely to occur where it is economically feasible for firms. This means that conserving resources like water not only aids in reducing the environmental impact but can also provide economic benefits by reducing the need for companies to tap into new raw materials, thereby saving energy and costs associated with pollution mitigation.As much as 20% of the water used in the United States is groundwater, which can become contaminated from various sources and its movement can spread pollutants. Therefore, protecting our water sources from pollution is critical for maintaining the availability and quality of water for all uses.

Answer: D is your answer

Explanation:

The process where the foreign DNA is attached to the plasmid DNA is known as ligation.

Explanation:

Ligation is the process of joining two elements of a molecule by making a bond between the electron donor and the electron acceptor. DNA ligase is an enzyme that helps in the three following processes involving the DNA:

It helps in DNA repair, in connecting the fragments of okazaki DNA and it is also used to connect the gene of interest to the plasmid DNA to create a vector during genetic recombination.

Answer:

D. substantial amount of predators

Explanation:

All the other answers would allow the population to have gotten big. i took the test

These factors would limit the population of a species - D. substantial amount of predators.

The limiting factor is a variable present in the environment that has the capacity to limit or restrict the growth, number of individuals, or distribution of a population in an ecosystem.

The main limiting factors are:

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Answer:

30%

Explanation:

The answer is 30% because if you do 35 divided by 50 equals 0.7. That leaves 0.3 left over from one. The number 1 represents 100% therefore 70% of 50 is 35 which means that the price changes by 30%

answer is B) the lytic lifecycle allows a virus to reproduce when the host cell reproduces, spreading to its daughter cells, but also gives the host cell more time to detect and fight the virus.

Answer:

Option (A).

Explanation:

Lytic cycle is a type of viral reproduction cycle. During lytic cycle, virus replicates inside the host cell separately from host and makes any progeny.

It results in destruction of host organism (infected bacterium) as new progeny of virus are released by destruction of plasma membrane. Lytic cycle is more quick than the lysogenic cycle.

Thus, the correct answer is option (A).

Answer:

The correct answer is B. Golgi apparatus

Explanation:

Part of the cell does 1 represent is Golgi apparatus

The Golgi apparatus or Golgi complex or Golgi body, it is a membrane bound organelle found  only in eukaryotic cells. It is made up of series of cisternae,flattened stacked pouches and located in the cytoplasm just next to the ER (endoplasmic reticulum) which is near to the cell nucleus like shown in this picture.

There in this picture 1 is represented by golgi apparatus, option B is correct.

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Answer:

weather moves

Explanation:

Afternoon thunderstorms can develop from warm, moist, and unstable air that rises due to convection, leading to cumulus clouds which evolve into thunderstorms. The release of latent heat during condensation fuels this process, and as the storm grows, downdrafts create gust fronts. Without wind to move these storms, they can develop directly overhead.

The occurrence of afternoon thunderstorms without preceding wind can be attributed to the convection motion of warm, moist air that becomes unstable. In the morning, when the air is clear, the sun heats the ground, which in turn warms the air above it. This warm air holding moisture from the surface starts to rise. As it ascends, the air cools and the water vapor condenses to form cumulus clouds in a process called the cumulus stage of thunderstorm development. Eventually, these clouds grow large and dense enough to reach the lower condensation level, leading to precipitation and the formation of a thunderstorm directly overhead by the afternoon.

The latent heat released during condensation is significant because it further warms the air within the cloud, making it unstable and leading to further uplift, contributing to the storm's growth. Concurrently, cooler air from the surroundings is drawn down towards the ground creating downdrafts. This condition intensifies when there's a sudden release of rain, which adds to the downdraft and can cause a cool wind gust ahead of the thunderstorm, a phenomenon commonly referred to as a gust front or outflow boundary. Without a prevailing wind to steer the storm, it can build directly above the location where the initial convection began.

I have to disagree, water-dwelling creatures are often the most well preserved due to the salinity of the water and the thick sediments on the sea floor that bury/fossilize skeletons.

I believe it is D. the species had survived for too long.

Sharks have existed and relatively remained the same for such a long time that shark fossils would not be good indicators of a certain time period.

A shark would not be a good index fossil because the species has survived for too long.

A shark would not be a good index fossil because the species has survived for too long. Index fossil are basically used to make study and identify about its nature, geographic periods. The formation of index fossil is made through the preserving animal or plants on the rock record of Earth.

Although the oldest of these shark-like scales is 480 million years old, the oldest complete shark fossil, Cladoselache, is only about 360 million years old. Older but quite incomplete fossil sharks are known, from Canada, around 400 million years old.

This implied that sharks most likely evolved from ancestors that had much more bone in the skeleton. The evolution of modern sharks was driven by their loss of bone, which suggested they are not as primitive as previously thought.

The correct answer is option D.

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Sexual reproduction involves the fusion of haploid gametes through fertilization to create a diploid zygote.

Sexual reproduction relies on the union of two specialized cells, known as gametes, through a process called fertilization to form a single, unique cell known as a zygote. Gametes are haploid cells that contain one set of chromosomes each, while a zygote is a diploid cell with two sets of chromosomes.

Answer: C. a combination of sperm and other reproductive fluids.

Explanation:

To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. ... The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas.

Every cell on Earth contains genetic material and ribosomes, and uses a near-universal genetic code, indicating a common evolutionary origin from the last universal common ancestor (LUCA).

All cells on Earth, regardless of being part of unicellular or multicellular organisms, share some universal features. One such universal feature found in every single cell is the presence of genetic material (such as DNA), which is necessary for storing and transmitting information. Additionally, every cell contains ribosomes for protein synthesis and uses a near-universal genetic code, reflecting a common evolutionary history rooted in a last universal common ancestor (LUCA).

This fundamental set of characteristics allows cells to perform essential functions such as growth, reproduction, and responding to environmental changes. The fact that such features are present in all forms of life, from bacteria to human beings, further supports the concept that all known organisms are descendants of a single ancestral cell that lived approximately 4 billion years ago.

Answer:

Replication should be included in an experimental design because of the way data is analyzed using statistics.

Explanation:

Answer:

Replication should be included in an experimental design because of the way data is analyzed using statistics.

Explanation:

I’m guessing San francisco was cooler and st. louis was warmer?

Answer:

12°C

Explanation:

According to the graph, the x axis are the months while the y axis denotes the varying temperature of both cities every month.

Considering July, the temperature of San Francisco during this month is approximately 14°C. This is gotten by locating the point on the line of San Francisco during July and tracing it perpendicularly to the temperature axis to know its equivalent temperature during that month.

Similarly, the temperature of St. Louis in July is high compare to San Francisco and it is approximately 26°C.

Therefore, the difference in average temperature is 26°C - 14°C = 12°C

The crossing of two heterozygous (Yy) pea plants leading to roughly 75% of offspring with yellow peas and 25% with green peas reflects a Mendelian 3:1 inheritance pattern for a dominant (yellow) and a recessive (green) trait.

When two pea plants with yellow peas are crossed, and approximately 25% of the offspring have green peas, it indicates that the parent plants are both heterozygous for the seed color trait (Yy). Because the yellow trait is dominant (Y) and the green trait is recessive (y), each parent must contribute one allele for the observed 3:1 ratio in the F2 offspring. Using Punnett square analysis, we can predict the genotypes of the offspring as follows:

Since yellow is dominant to green, the presence of a single Y allele is enough to produce yellow peas. The observed ratio of approximately 3 yellow to 1 green pea suggests a typical Mendelian inheritance pattern, where each parent provides one allele for the trait. This 3:1 ratio is a classic example from Gregor Mendel's genetic studies.

Answer:

I think that the correct answer is that the nebular galaxy is not a such thing in my opinion so this is why I think that nebular is the correct answer

Explanation:

Answer:

Nebular

Explanation: Galaxy is a system of stellar remnants, stars, dust, gas and dark matter, held together by gravitational attraction. Galaxies are classified as elliptical, spiral or irregular on the basis of visual structure.

Nebula is a part of galaxy where new stars and planetary systems are formed. It is a cloud of dust and gas. It may come from the explosion of dying stars, for example supernova.

Hello!

Yellow = Y

Green = y

Based on the fact that 25% of the offspring inherited two recessive alleles (we know this because in order for a recessive allele to be expressed, it must be homozygous), the parent peas had to both be heterozygous.

Yy * Yy will always result in:

1/4 = yy

2/4 = Yy

1/4 = YY

I hope I helped!

Answer: the answer is "The parent plants are heterozygous for pea color."

Explanation:

Answer:

B its genetically similar to the parent plant

Explanation:

The digestive tract overlaps in many layers (It can even reach microsocpic overlaping) allowing it to fit inside a person's body.

Answer:

Correct answer : are eukaryotes

Explanation:

Mushrooms belong to the kingdom Fungi. They are eukaryotic, heterotrophic multicellular organisms, not capable of photosynthesis, and are not plant species.

Mushrooms belong to the kingdom Fungi and are known to be heterotrophic organisms. They are not plants, and they do not possess the ability to make their own food via photosynthesis. Instead, they absorb nutrients from the material they grow on. Mushrooms are eukaryotes, meaning they have complex cells with distinct nuclei, and they are not prokaryotes which have simpler, nucleus-free cells. Finally, mushrooms are not unicellular, but multicellular, composed of many cells that work together for the overall function of the organism.

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Answer:

A. A biofilm

Explanation:

Biofilms have high bacterial density near to 10000000 CFU/ml bacteria. Due to such high densities, these biofilms becomes resistant to the antibiotics. These biofilms are basically community of microorganisms which stick itself to some kind of surface be it living or non-living. The bacteria’s which get attached to these biofilm and grow in an environment in which they possess both tolerance and resistance towards any bactericidal agent. Due to this functional mechanism of bacterias with in the biofilm, they become resistant to antibiotics.

during photosynthesis, light dependent reactions happen in the outer membrane of thylakoids, called the stroma. Thylakoids make up granum which are inside the chloroplast organelle.

The light reactions of photosynthesis occur in the thylakoid membranes of chloroplasts, where sunlight energy is converted into chemical energy, producing ATP and NADPH, and releasing oxygen.

During these reactions, chlorophyll absorbs energy from sunlight and converts it into chemical energy with the use of water. Oxygen is released as a byproduct, and energy-carrying molecules like ATP and NADPH are produced, which are then used in the Calvin cycle to synthesize sugars.

Answer:

D

Explanation:

Units of weight and volume won't be large enough to be meaningful. so liters and grams are too small. Find out the weight of a cubic meter of water and then estimate how many cubic meters there might be in a lake. Millions would probably be too small.

Miles are too big. Most lakes do not go to a depth of 1 mile, but you on on the right track. Distance is what you want.

Meters are the answer.

Answer: meters

Explanation:

Meter is the measurement unit used for measuring the length, height, breadth, and depth of an entity. In the scientific investigation of lakes, the depth of the lake can be measured in a measurement unit that is called as meters. It will help in assessing the fact that how shallow or deep the lake is.

Besides reducing the noise created by your engine, the exhaust system directs harmful gases away from the cabin, helps cool ...

Answer:

Excesive smoke

Explanation:

The exhaust system is the system in machines that work with fuel burning engines, the exhaust system is in charge of taking out the smoke and substances produced by conmbustion and other processes in the engine, excesive smoke from the exahust system can signal problems with the exhaust system.

Answer:

Azimuthal map projections

Explanation:

The Azimuthal map projections come in a circular shape. They represent the whole world but in a different manner than that of the other map projections. The other map projections tend to have problems with the size of the objects as they get further away from the Equator, but this map projection doesn't have that problem. The Azimuthal map projections actually represent all of the places on Earth with their correct distances from the central point, and they all have their sizes correct proportionally to the scale, thus making an accurate map projection.

Azimuthal map projections are most similar to the actual spherical surface of the globe, accurately showing distances and directions from a selected center point.

The advantage described in the question fits Azimuthal map projections. Azimuthal projections maintain an accurate representation of the spherical surface of the Earth because they are projected onto a plane touching the Earth at a single point. This allows for an accurate depiction of distances and directions from the center point of the map. Other types of projections like conical, polyconic, and the Mercator projection distort either the shape, size, distance, or direction to some degree because they represent the spherical Earth on a flat surface.

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Answer:

RNA is mostly single-stranded; DNA is always double-stranded.

Explanation:

DNA stores the genetic information that codes for the way protein should be developed by the cell. Protein determines the trait (phenotype) of the cell/organism. RNA is used as an intermediary between DNA and proteins.  RNA is made of ribonucleic acids  while DNA is made of deoxyribonucleic acids.

If the mutation is beneficial, the mutated organism survives to reproduce, and the mutation gets passed on to its offspring. In this way, natural selection guides the evolutionary process to incorporate only the good mutations into the species, and expunge the bad mutations.

Mutations introduce genetic diversity, and natural selection determines the prevalence of these traits in a population. Beneficial mutations enhance survival and reproduction and therefore tend to increase in frequency, while harmful mutations decrease in frequency or are eliminated.

Role of Mutations in Natural Selection

These changes to an organism's DNA can have various consequences. Some mutations may be neutral, having no apparent effect on the organism's ability to survive and reproduce, while others can be beneficial or harmful. Natural selection acts on these mutations by affecting the reproductive success of the organisms. Mutations that provide some advantage, such as improved speed or better digestion, can increase an organism's chances of survival and reproduction, thereby becoming more common in the population over time. Conversely, deleterious mutations are typically weeded out as those who carry them may be less likely to survive and reproduce. Mutations contribute to genotypic and phenotypic variations within a species, and the nonrandom survival and reproduction of individuals carrying these mutations drive the evolutionary process. Whether a mutation is ultimately considered advantageous, neutral, or deleterious is context-dependent, often influenced by the specific environmental pressures a population faces.

A flowstone results from groundwater deposition. Therefore, the correct option is A.

Flow-stone is one of the geological features formed as a result of groundwater accumulation. When mineral-rich water seeps or flows down the walls or ceiling of a cave and deposits minerals, usually calcite or other carbonate minerals, it forms flowstone. These mineral deposits accumulate in layers over time, forming flowstones including stalactites, stalagmites, and draperies.

Mineral-rich water often contains dissolved calcium carbonate, which precipitates out of the water and forms the solid mineral deposits seen in flowstone. Flowstone is formed over an extended period of time as water gradually deposits minerals layer by layer, creating smooth or wavy structures.

Therefore, the correct option is A.

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The result of groundwater deposition from the options given is A) A flowstone, which forms from the deposition of minerals in a cave environment due to water movement and evaporation.

The result of groundwater deposition from the given options is A) A flowstone. A flowstone forms when mineral-rich water flows down the walls or floor of a cave and precipitates out minerals which crystallize and grow over time. This process is part of the broader chemistry of cave formation, where acidic groundwater containing CO2 dissolves limestone (CaCO3), leading to cave development. As water percolates through the cave and evaporates, the equilibrium shifts, and CaCO3 is deposited, creating features like stalactites and stalagmites inside the cave.

Stink holes, karst springs, and caves themselves are not direct results of groundwater deposition, but rather part of the overall karst process, where the dissolution of soluble rocks like limestone creates features in the landscape over time. However, flowstones are specifically created by the depositing action of groundwater that is rich in dissolved minerals.