Compare and contrast genetic and epigenetic changes.

The events that takes place during the mitosis are separation of chromosomes, duplication of centrioles, division of cytoplasm, separation of chromosomes and division of cytoplasm.

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The nutrients in the soil might become depleted, making it harder to grow the main crop in the next season.

What is crop?

Cover crops are typically planted during off-seasons to improve soil health and fertility. These crops help to prevent soil erosion and nutrient loss by capturing excess nutrients and preventing them from being washed away. Without cover crops, the soil may become depleted of nutrients, making it more difficult to grow the main crops in the following season. Additionally, without cover crops, the soil may be more vulnerable to erosion and damage from weather events.

What is nutrients in soil?

Nutrients in soil refer to the various chemical compounds present in the soil that are necessary for plant growth and development. These include macronutrients such as nitrogen, phosphorus, and potassium, as well as micronutrients such as iron, zinc, and magnesium.

Plants obtain these nutrients from the soil through their roots, and the nutrients are essential for processes such as photosynthesis, growth, and reproduction. Nutrients can become depleted over time due to plant uptake, leaching, erosion, and other factors, which is why it is important to replenish them through practices such as fertilization and cover cropping.

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Answer:

Primary producers use energy from the sun to produce their own food in the form of glucose, and then primary producers are eaten by primary consumers who are in turn eaten by secondary consumers, and so on, so that energy flows from one trophic level, or level of the food chain, to the next.

Answer:

grass → grasshopper → lizard → snake

Explanation:

The order of energy transfer is from the producer (plants) to the primary consumer (grasshopper), to the secondary consumer (lizard) and finally to the tertiary consumer (snake)

Just as she answered.

Answer:

the interconnected nature of social categorizations such as race, class, and gender as they apply to a given individual or group, regarded as creating overlapping and interdependent systems of discrimination or disadvantage.

Explanation:

Explanation:

Climate change is having a significant impact on agricultural productivity. Changes in temperature and precipitation patterns are affecting crop yields, water availability, and soil quality, all of which are critical for agricultural productivity.

One of the most significant impacts of climate change on agricultural productivity is through extreme weather events such as droughts, floods, and heatwaves. These events can destroy crops, reduce yields, and cause soil erosion, which can have long-lasting effects on productivity.

Higher temperatures can also negatively impact crop growth and development. For example, heat stress can cause reduced seed quality, decreased pollination, and lower yields. Increased carbon dioxide concentrations, which are a result of climate change, can have a fertilization effect on some crops, but this effect is likely to be offset by other negative impacts, such as water stress and increased pest pressure.

Changes in precipitation patterns, such as more frequent and intense rainfall events, can also impact agricultural productivity. Heavy rainfall can cause soil erosion, reduce soil fertility, and make it difficult to plant and harvest crops.

Overall, the impact of climate change on agricultural productivity is complex and varies depending on the crop, region, and type of agriculture. However, it is clear that without action to mitigate and adapt to the impacts of climate change, agricultural productivity is likely to decline in many regions, with serious implications for food security and livelihoods.

Answer: I have no clue if I'm right but B. Conditions in the environment favor purple lupines.

Explanation:

It seem that the purple ones thrive better in that eco system.

I'm so sorry if I'm wrong!

Answer:

The answer is homeostasis

I learned this in my Anatomy and Physiology class and homeostasis is a internal environment (in our body) that is able to stabilize

Answer:

the correct answer is option C, active transport.

Explanation:

The answer of the given question based on pulley system is Platforms 1 and 3 will move downward. Therefore, the correct option is a.

Tension is a force transmitted through a rope, string, wire, or cable when it is pulled tight by forces acting on both ends. In other words, it is the force that is transmitted through a stretched material when it is pulled at two opposite ends.

The most likely scenario is that Platforms 1 and 3 will move downward. Therefore, the correct option is a.

In this pulley system, Platforms 1 and 3 are connected to the same rope and have a total weight of 40 kg. Platform 2, which weighs 10 kg, is suspended between Platforms 1 and 3. The tension in the rope between Platforms 1 and 2 is equal to the tension in the rope between Platforms 2 and 3.

When the mass on Platform 2 is removed, the tension in the rope between Platforms 1 and 2 will become zero, and the tension in the rope between Platforms 2 and 3 will also become zero. Therefore, the tension in the rope between Platforms 1 and 3 will be equal to the total weight of the system, causing Platforms 1 and 3 to move downward.

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Answer:

Stratosphere

Explanation:

it's correct, trust me lol

Answer:

Explanation:

When life first evolved on Earth, there was virtually no oxygen in the atmosphere. The earliest prokaryotes were likely anaerobic meaning they did not require oxygen to produce energy. Over time, photosynthetic prokaryotes evolved, which made energy from the sun. The chemical reactions involved in this process released oxygen into the atmosphere. This allowed for the evolution of eukaryotes.

There are several reasons why human lung capacities may not be equal. Some of these reasons include:

 Genetics: Lung capacity can be influenced by genetics, as lung size and shape are partially determined by genes.

 Gender: Men generally have larger lung capacities than women due to differences in body size and muscle mass.

 Age: Lung capacity tends to decrease with age, as the lungs become less elastic and lose some of their ability to expand.

 Lifestyle: Smoking, pollution exposure, and other lifestyle factors can damage the lungs and decrease lung capacity.

 Disease: Certain lung diseases, such as asthma, emphysema, and chronic bronchitis, can reduce lung capacity.

It's worth noting that while human lung capacities may not be equal, healthy lungs can still provide adequate oxygen to the body. It's important to maintain good lung health through regular exercise, avoiding harmful substances, and seeking medical attention for respiratory problems.

Answer:

Explanation:

The statement that best describes how the heart delivers oxygen to the body cells is: "The heart pumps oxygenated blood to the body cells." The heart's main function is to circulate blood throughout the body. The blood that the heart pumps to the body contains oxygen, which is used by the body cells for energy. The heart receives deoxygenated blood from the body, pumps it to the lungs to be oxygenated, and then pumps it back to the body to supply the cells with oxygen. Therefore, the heart's role is to deliver oxygenated blood, not air, to the body cells. The heart does not break down carbon dioxide into carbon and oxygen; this process occurs in the lungs during respiration.

Mass extinction.  This reduces the amount of competition for resources and leaves behind a large number of empty niches, which are then filled by surviving lineages.

Therefore, the extinction of dinosaurs such as T. rex and Brontosaurus about 65 million years ago would be unremarkable without the reality that they ate over half of all plants and animals that were present at that point. were alive at the same time perished in what scientists refer to as a mass extinction. Mass extinctions occur when large numbers of species are removed from their respective ecosystems in a relatively short amount of time.

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A chicken eating corn would occupy the trophic level of a primary consumer. Corn is a plant-based food source and is considered a primary producer in the food chain.

What is Food Chain?

A food chain is a sequence of organisms in an ecosystem through which energy and nutrients are transferred from one organism to another. It represents the flow of energy and matter in an ecosystem, starting from the primary producers (such as plants) and moving through a series of consumers (such as herbivores, carnivores, and omnivores) before reaching the top predators.

When a chicken eats the corn, it is consuming a primary producer and becoming a primary consumer itself.

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Lower than the American Civil War cattle are now sold for less than they were during the Civil War after accounting for inflation.

Production costs rise as a result of rising domestic or foreign input prices. Firms often produce less output and increase the prices of their goods and services as a result of rising production costs per unit of output.

Demand-pull inflation explains price increases as the outcome of a greater overall demand that outpaces supply in an economy.

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Answer: enabling growth enhancement.

Explanation:

As of 2017, the use of antibiotics in CAFOs (Concentrated Animal Feeding Operations) are prohibited for enabling growth enhancement.

Answer: 3:1

Explanation:

Answer:

1- Cells

2- 90%

3- 10%

Explanation:

I'm pretty sure thats right?

If U.S. agricultural policy changes and moves toward more pasture-raised livestock, it is likely that meat would be more expensive. Therefore the correct option is option D.

While some consumers believe that pasture-raised meat is healthier and more sustainable, it usually commands a higher price due to the additional costs involved with production. This could make it more difficult for some consumers to purchase meat, or it could lead to a shift towards plant-based diets.

It is important to note that the other options presented are not always true predictors of a shift towards more pasture-raised livestock.

Meat, for example, may not be more plentiful or less expensive in this scenario due to a variety of variables such as consumer desire, market conditions, and government policies. Therefore the correct option is option D.

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It looks like an entry for a herbarium. A herbarium is a collection of preserved plant specimens that are stored and arranged systematically for scientific study.

Herbarium specimens can include leaves, flowers, stems, and other plant parts, and are usually pressed and dried on special paper or sheets, called herbarium sheets, which contain information about the plant such as its scientific name, location, and date of collection.

Herbaria serve as an important resource for botanical research and education, allowing scientists to study and compare plant species from different regions and time periods. They are used to identify plant specimens, describe new species, and investigate the distribution and evolution of plants.

Herbaria can be found in many research institutions, universities, botanical gardens, and museums around the world. The largest herbarium in the world is the Museum National d'Histoire Naturelle in Paris, which houses over 8 million plant specimens.

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Most of the diseases that damage corals are brought on by stress. Stress factors that can harm corals include increases in water temperature, pollution, physical damage, and changes in salinity or acidity levels.

Answer: Concentrated animal feeding operations

Explanation: Also known as CAFO is a specific type of industrial agriculture facility that raises animals normally at a high density for the consumption of meat or other products.

When first placed in the dirt, the worms may burrow into the soil or crawl around on the surface.

Exploration.

Less crawling around.

Motionless on the soil.

Tunnel creation.

Visible casting.

After 2 minutes, the worms may still be exploring their new environment or starting to burrow deeper into the soil. After 5 minutes, the worms may have burrowed deeper into the soil or be crawling around the surface less frequently. After 10 minutes, the worms are likely to have burrowed deeper into the soil or remain motionless on the surface.

When returning after one day, you may notice that the worms have created tunnels in the soil and have consumed some of the organic matter in the soil. They may also have deposited their castings, which are rich in nutrients. When returning after two days, you may notice that the worms have continued to create tunnels and consume organic matter, and their castings may be more visible.

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Answer:

Explanation:

Prophase - DNA condensing. In addition, the nuclear envelope just begins to break down.

Metaphase - The chromosomes line up in the center. Centrioles move to opposite ends of the cell.

Anaphase - Sister chromatids are pulled apart by microtubules.

Telophase - The nuclear membrane reforms around the chromosomes, chromosomes begin to unwind and spread out again.

Answer:

B. 1 and 4

Explanation:

The mass of 1 is 15.6 and 4 is 18.6. The volume of 1 is 7.78 which is close to 4(5.31). The shape of both of them are rectangles whereas there are no other matching shapes. They are both smooth, but that makes it alittle bit hard, because they are all smooth. Although the reaction to light is not the same, so that makes it a little hard as well.

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gastrocnemius

Explanation:

Your calf muscle consists of two main muscle the gastrocnemius and the soleus. Because these two muscles come together above your heel and attach to the Achilles tendon, some providers refer to the gastrocnemius and soleus as one large muscle with two sections.

Answer: C

Explanation:

Because the tilt of the earth on its access causes one half of the earth to get more direct sunlight because its pointed right at the sun while the other half is getting non direct sunlight making it colder in that part.