Answers
Monozygotic twins only have the same physical characteristics, but can have different psychological and pathological characteristics.
Monozygotic twins are twins that come from a single egg and occur when a single egg is fertilized by a sperm and forms a zygote. In its development, the zygote then divides into two different embryos. The two embryos develop into fetuses that share the same uterus and when born will have identical physiques because they come from the same egg and sperm cells.
Monozygotic twins raised in the same or different environments can still have different characters. The existence of various external factors exert pressure and stress levels that cause the process of neurogenesis that occurs in one of the monozygotic twins. Neurogenesis causes the formation of a new generation of nerves that give a psychological impact that gives it a different character.
Identical twins often have the same pathology, but external factors can still affect the health of one of the identical twins, such as diet. Poor diet will affect the epigenome of identical twins. The presence of the epigenome can affect a person's level of pain. Therefore many identical twins die at an advanced age due to different diseases.
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Related Questions
Which of the following would be an example of an R-selected species?
Answers
An example of an R-selected species would be one that produces a large number of progeny with small size. So, the correct option is C.
R-selected species are characterized by their reproductive strategy, which focuses on producing a large number of offspring with relatively small size. These species prioritize quantity over quality when it comes to offspring production.
Option ''Large number of progeny with small size'' represents an example of an R-selected species. These species typically have a high reproductive rate and invest minimal resources in individual offspring. By producing a large number of progeny, they increase the chances of survival and successful reproduction in unpredictable or unstable environments.
In contrast, options A) Small number of progeny with small size and B) Small number of progeny with large size represent strategies more commonly associated with K-selected species. K-selected species prioritize quality over quantity, producing fewer offspring but providing them with greater parental investment and resources, resulting in larger size and higher survival rates.Option D) Large number of progeny with large size is less commonly observed in nature and does not align with the reproductive strategy of either R-selected or K-selected species.Therefore, the correct option is C.
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Complete Question:
Which of the following would be an example of an R-selected species?
A) Small number of progeny with small sizeB) Small number of progeny with large sizeC) Large number of progeny with small sizeD) Large number of progeny with large sizeHelp me guys!! (Giving brainliest)
Answers
Answer: C
Explanation:
C because the cell membrane is semi permeable which means only certain substances can enter and exit.
Which of the following terms describes the tendency of plant stems and flowers to turn toward sunlight?
geotropism
chemotropism
gravitropism
phototropism
Answers
Answer:
phototropism
Explanation:
The term that describes the tendency of plant stems and flowers to turn toward sunlight is phototropism.
Answer: The correct answer is phototropism
Explanation: This answer has been confirmed correct.
Phototropism is the tendency of plants to turn toward sunlight.
What does a prism do?
Answers
Answer:
Q: What does a prism do?
A: A prism could be used for different things. Like color prisms reflect light and creates colors like red, green, orange, blue and purple. Also called spectrum. If you need to know how that happens, well the prism bends and reflect off the prism. This is because of the density of the glass. Hope this is what you were looking for!
Complex patterns of inheritance, 10th grade4th problem: Pink and Pink
Answers
Cross between two pink snapdragon.
Pink genotype: CRCw
If we are going to cross multiply these genotypes, CRCw X CRCw, th resulting offspring would be:
CRCR, CRCw, CRCw, CwCw
The ratio of the offsprings would be:
25%- Red (CRCR)
50%- Pink (CRCW)
25%- white (CWCW)
4. (15) Some dog breeds are either black (BB, Bb) or brown (bb). However, the ability to create pigment (colour) is the result of a separate gene. For black or brown color to show, the AA or Aa must also be present; if not, the aa genotype results in no colour (albino/white). All responses must include the dihybrid Punnett squares with the results clearly stated. lting from a croce between two completely
Answers
The color of dog breeds can be black (BB or Bb) or brown (bb), and the ability to create pigment depends on the presence of the A gene (AA or Aa). The aa genotype results in no color (albino/white). Punnett squares can be used to predict the possible genotypes and phenotypes resulting from a cross between two dogs.
To determine the possible outcomes of a cross between two dogs, we can use a dihybrid Punnett square. Let's assume one dog is black (BbAa) and the other is brown (bbAA).
The Punnett square for the BbAa x bbAA cross would look like this:
Bb Ba
bb | Bbba | Bbaa
bb | bbba | bbba
From the Punnett square, we can see that there are four possible genotypes for the offspring: Bbba, Bbaa, bbba, and bbba. Among these genotypes, the Bbba and Bbaa genotypes will result in black-colored dogs, while the bbba and bbba genotypes will result in brown-colored dogs.
It's important to note that the presence of the A gene is necessary for color to be expressed, so the aa genotype would result in no color (albino/white) regardless of the B gene.
In summary, the use of a dihybrid Punnett square allows us to predict the possible genotypes and phenotypes of offspring resulting from a cross between dogs with different color and pigment gene combinations.
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Homeostasis describes the stable environment that the human body maintains, enabling the body to function properly. When an outside stimulus threatens to disrupt homeostasis, body systems work to bring things back into balance. Which of the following correctly describes systems working together to maintain homeostasis?
Answers
The neurological and endocrine systems keep the body in a state of homeostasis.
What are endocrine systems?The endocrine system is a messenger system that consists of feedback loops of hormones delivered by an organism's internal glands straight into the circulatory system, thereby regulating distant target organs.
The hypothalamus is the neurological control center for all endocrine systems in animals.
There are three types of endocrine cells:
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Fracking uses highly pressurized fluids, such as water mixed with sand and chemicals, to drive open cracks that exist in underground rock. Which statement best describes an environmental consequence of this process?
A. Chemicals added to the liquid can contaminate groundwater.
B. Wastewater is contaminated with oil and becomes sludge in landfills.
C. Water vapor is released into the air, which is considered a greenhouse gas.
D. Heavy metals are released into surrounding soil, poisoning local vegetation.
Answers
Answer:
Option A, Chemicals added to the liquid can contaminate groundwater, this statement best describes an environmental consequence of this process.
Explanation:
Fracking is a process of digging fossil energy sources, which need a lot of water and uses local water resources. It is drawn with high-pressure water, sand and elements, creating high pressure to block the porous rock and discharge gas. The spill itself stops energy from the drilling position, and may even make earthquakes, mainly due to the pumping of overflowing wastewater into porous rock types such as limestone. The most significant result of water distortion is on groundwater.To learn more about fracking, refer:
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A
Explanation:
The processes and mechanisms that drive the water cycle are the same processes that helped form the oceans long ago. When Earth first formed, it was extremely hot. But as it began to cool, so did the water vapor in its atmosphere. Which processes in the water cycle are most likely responsible for turning the gaseous water vapor in the atmosphere into liquid water that eventually reached Earth’s surface?
Answers
Answer:
Condensation
Explanation:
Condensation is the process by which water vapor in the air is changed into liquid water.
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
Circulatory System
Label the following parts:
Heart
Vein
Artery
Capillary
10
Answers
The circulatory system, also known as the cardiovascular system.
What is the circulatory system?The heart is a muscular organ located in the chest. It acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. The heart has four chambers: two atria (left and right) and two ventricles (left and right).
Veins transport deoxygenated blood back to the heart from the body tissues. Arteries carry oxygenated blood away from the heart to various organs and tissues. Capillaries the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
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Which of the following is not part of the cell theory?
A. All organisms are composed of one or more cells.
B. Cells are the basic unit of life for all living things.
C. All cells come from pre-existing cells.
D. All cells contain a nucleus.
Answers
Answer:
the answer is D. All cells contain a nucleus
when stomata is closed what happen to plants
Answers
The closure of stomata, and tiny pores on the surface of leaves, stems, and other plant organs can have a variety of impacts on plants.
Stomata closure minimizes the interchange of gases between the plant and the environment, which is one of its key consequences. Stomata are in charge of controlling the flow of gases into and out of the plant, including oxygen, carbon dioxide, and water vapor. The interchange of these gases is impeded when stomata are closed, which may have an effect on the metabolism and general wellness of the plant.
Reduced water loss from the plant is another benefit of closing stomata. The process of transpiration, or the loss of water vapor from the plant through the stomata, also involves stomata. In times of drought or other situations where the availability of water is limited, the plant can preserve water by slowing its transpiration rate when its stomata are closed.
Overall, depending on the exact situation, closing stomata can have an impact on plants that is both favorable and unfavorable. Stomata closure can have positive and bad effects on a plant's metabolism and general health. In some situations, it can help plants preserve resources and defend themselves from environmental stressors.
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steel manufacturing plants are required to pay a fine for their carbon dioxide emissions. what is the effect of this situation on the market supply curve
Answers
The effect of this situation on the market supply curve is the supply shifts left.
What is the market supply curve?The link between total output and the average marginal cost of creating this output is measured by the market supply curve. One justification for sketching supply curves with P on the vertical axis is the interpretation of the market supply curve as a marginal cost curve.
When all of the enterprises in an economy's supply curves are added together, the market supply curve is the result. The market supply is upward-sloping because every firm increases its output when the price rises.
Therefore, the supply shifts left as a result of this condition on the market supply curve.
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Describe four different types of drugs and their impact on sports performance
Evaluate the impact of four different performance-enhancing drugs on performance in four different types of sport
Discuss, using relevant examples, why some individuals may resort to using performance-enhancing drugs in sport
Answers
Types of Drugs and their Impact on Sports Performance:
Anabolic steroids: Anabolic steroids are synthetic hormones that mimic the effects of testosterone. They are commonly used by athletes to increase muscle mass, strength, and endurance. However, they can also have negative side effects, including liver damage, heart disease, and hormonal imbalances.
Beta blockers: Beta blockers are used by athletes to control anxiety and reduce the effects of stress on the body. They are often used in sports such as archery and shooting, where steady hands and calm nerves are essential. However, they can also cause side effects such as dizziness, fatigue, and depression.
Human growth hormone (HGH): HGH is a hormone produced naturally by the body that stimulates growth and cell reproduction. It is often used by athletes to increase muscle mass and improve endurance. However, it can also have negative side effects, including joint pain, diabetes, and hypertension.
Erythropoietin (EPO): EPO is a hormone that stimulates the production of red blood cells, which carry oxygen to the muscles. It is often used by endurance athletes to improve their stamina and performance. However, it can also increase the risk of blood clots and strokes.
Impact of Four Different Performance Enhancing Drugs on Performance in Four Different Types of Sport:
Anabolic steroids in bodybuilding: Anabolic steroids are commonly used by bodybuilders to increase muscle mass and strength. They can lead to significant gains in muscle size and strength, but can also cause negative side effects, such as acne and hair loss.
Beta blockers in shooting: Beta blockers are commonly used by competitive shooters to reduce the effects of stress on their performance. They can improve accuracy and reduce tremors, but can also cause negative side effects, such as fatigue and dizziness.
Human growth hormone in endurance running: HGH is often used by endurance runners to improve their endurance and speed. It can lead to significant gains in muscle mass and improved performance, but can also cause negative side effects, such as joint pain and diabetes.
Erythropoietin in cycling: EPO is commonly used by cyclists to improve their endurance and stamina. It can lead to significant gains in performance, but can also increase the risk of blood clots and strokes.
Why Some Individuals May Resort to Using Performance Enhancing Drugs in Sport:
To gain a competitive advantage: Athletes may use performance enhancing drugs to improve their performance and gain a competitive advantage over others.
To achieve success and fame: Athletes may use performance enhancing drugs to achieve success and fame in their sport.
Pressure to perform: Athletes may feel pressure to perform at their best, and may resort to performance enhancing drugs to achieve this.
Financial gain: Athletes may use performance enhancing drugs to improve their performance in order to gain financial rewards or sponsorship.
Examples of athletes who have resorted to using performance enhancing drugs include Lance Armstrong, who used EPO and other drugs in cycling, and Barry Bonds, who used steroids in baseball.
There were twelve elephants in the clearing.
a pulse rate of 141 beats per minute
orange fur with black stripes
✔
DONE
Answers
Answer:
There were twelve elephants in the clearing.
✔ quantitative data
a pulse rate of 141 beats per minute
✔ quantitative data
orange fur with black stripes
✔ qualitative data
Explanation: trust
Refer below to understand which data is qualitative or quantitative from the given example:
twelve elephants in the clearing: quantitative data since it gives us the number of elephants in the clearing. a pulse rate of 141 beats per minute: quantitative data since, it speaks about the average heart rate of the elephants and is measurable. orange fur with black stripes: qualitative data since it is not giving us a number rather the quality or type of fur. 28.5 cm tall: quantitative data since it gives us a measure of height.rough-textured: qualitative data since it is not giving us an idea about the quality or texture.bird bobbed its head up and down: qualitative data since it is talking about the activity of the bird.Learn more about qualitative and quantitative data here:
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Which is the smallest planet
Answers
Answer:
The smallest planet in our solar system is Mercury. It has a radius of 1,516 miles (2,440 km), which is about 1/3 the size of Earth. Mercury is also the closest planet to the Sun. It takes Mercury 88 Earth days to orbit the Sun, but only 59 Earth days to rotate on its axis. This means that Mercury has a day that is longer than its year.
Mercury is a very hot planet, with surface temperatures reaching up to 800 degrees Fahrenheit (427 degrees Celsius). This is because Mercury has no atmosphere to protect it from the Sun's heat. Mercury also has a very thin atmosphere, which is made up of hydrogen, helium, and oxygen.
Mercury is a very interesting planet, and scientists are still learning about it. In 2011, NASA's Messenger spacecraft became the first spacecraft to orbit Mercury. Messenger spent four years in orbit, studying Mercury's surface, atmosphere, and magnetic field. The data collected by Messenger has helped scientists to better understand this small, but fascinating planet.
Explanation:
Or pluto/ dwarf planet
are phenols and glycosides induced or pre-existing defenses mechanisms for plants immunity ?
Answers
Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.
Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.
Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.
Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.
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what is tardigrade? Like what it is you know ? please tell meeeeeeeeeee
Answers
Answer:
what is tardigrade? known colloquially as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals.
Tardigrades pose no threat to humans. Scientists have yet to identify a species of tardigrade that spreads disease.
which of the following statements are false?evolution is just a theory. individuals evolve. evolution explains the origins of life. evolution is controversial among scientists.
Answers
The false statements are individuals evolve , evolution explains the origins of life and evolution is controversial among scientists.
What is evolution?
Evolution is the shift in a biological population's heritable traits over successive generations. These traits are the expressions of genes, which, during reproduction, are handed from parent to offspring. Genetic mutation and recombination cause variation to frequently occur within a population.
When these variations are subjected to evolutionary processes like natural selection (including sexual selection) and genetic drift, certain traits within a population start to become more or less prevalent. This is when evolution happens. The evolutionary pressures that determine whether a trait is common or rare within a population are always shifting, which causes a change in heritable traits to emerge through time. At every level of biological organization, biodiversity has been created as a result of this development.Hence, the false statements are individuals evolve , evolution explains the origins of life and evolution is controversial among scientists.
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How does irrigation affect ecosystem health? (A) (B) (C) (D) P Irrigation uses much of the world's freshwater supplies and can also contribute to soil depletion and alter weather patterns. Irrigation is necessary to ensure the large harvests that the global population requires, and its use will only increase in the future. Irrigation can release harmful greenhouse gases such as methane and carbon dioxide into the air, contributing to climate change. Irrigation can increase the content of nitrogen and phosphorous in soil and water to dangerous levels, harming animals and plants in the ecosystem.
Answers
Option (D) is the proper response because irrigation can raise the amounts of nitrogen and phosphorus in soil and water to risky levels, affecting ecosystem animals and plants.
What impact does irrigation have on the environment?The potential over-extraction of groundwater for irrigation has the potential to have direct detrimental environmental effects (withdrawing water in excess of the recharge rate). This may cause the water table to drop, land to sink, water quality to deteriorate, and saltwater intrusion in coastal areas.
What impact does irrigation have on water use?Compared to sprinkler irrigation, flood irrigation loses less water to evaporation, but more water may be lost through runoff in the fields. The major reason we parameterize the irrigation techniques is to reflect their unique water use effectiveness.
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Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
Answers
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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List four major issues affecting today’s environment.
Answers
Answer:
Deforestation
Human Overpopulation
overfishing
Ozone depletion
Explanation:
There are four mechanisms that can cause changes in the frequencies of genes in populations: mutation, migration, genetic drift, and natural selection. All four are mechanisms of evolutionary change. What is genetic drift?
A) In a population, it is the changes in allelic frequencies of a gene that are due to chance.
B) A random error/change in the DNA sequence. These may be inherited or occur in cells during the lifetime of the organism
C) Also known as gene flow. It is any movement of individuals and/or the genetic material they carry, from one population to another.
D) There is variation in any population differential reproduction occurs and over time a more advantageous trait exists in the population.
Answers
Answer: D
Explanation: i did it on usa test prep
Answer:D
Explanation:
What process causes dissolved substances to be left behind to form minerals after water in lakes or ponds evaporates?
Answers
Answer:
Precipitation
Explanation:
Precipitation refers to a process causes dissolved substances to be left behind to form minerals after water in lakes or ponds evaporates.
Formation of enterocelous?
Answers
Enterocoelous refers to the condition in which the coelom develops from pouches "pinched" off of the digestive system, whereas Schizocoelous refers to the condition in which the body cavity is formed by the splitting of the mesoderm during embryonic development.
What procedure does the coelom of the enterocoelous and schizocoelous designs follow?Unlike Schizocoelous, where the capsule is created either by breaking the capsule or by pouches "pinched" off of the digestive tract, Enterocoelous is an illness in which the coelom originates from pouches "pinched" off of the digestive system.
A method for how certain animal embryos develop is known as schizocoelous or schizocoelic. When secondary heart cavities coeloms are created by breaking a solid mass of pair with polished nickel hardware embryonic tissue, the schizocoely process takes place.
What is the formation of the coleom for the enterocoelous and schizocoelous plan?
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More than 200 different types of cells exist in the human body. Why do you think these cells are important for
various body functions? Explain your response.
Answers
Answer:
because without a particular cell u can't b sure that you're fully birthed or healthy you can't know what they perform but it deals with your ideology on the way you relatively understand the way you feel.
explanation: cell is the basic unit of life
It rains a lot in the United Kingdom because of
Answers
Which two parts of the cell are unique to plant cells?
Answers
Answer:
Cell wall, chloroplast, vacuole. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Explanation:
The main difference between plant cells and animal cells are cell wall and chloroplast , whereas for the vacuole plants have a vacuole called vescile which is not the same as the vacuole in plant cells.
Vacuoles are very large as they are needed to store water and they mostly contain water and sugars . On the other hand, vesicles are small and contain water, nutrients, enzymes, wastes, solution of water or food etc. This is the key difference between vacuoles and vesicles. hope it helps :)
What are hormones?
amamanaksbjavaav
Answers
Answer:
A hormone is any member of a class of signaling molecules in multicellular organisms, that are transported to distant organs to regulate physiology and / or behavior. Hormones are required for the correct development of animals, plants and fungi.
Hormones are molecules produced by the endocrine system that send messages to various parts of the body. They help regulate your body's processes, like hunger, blood pressure, and sexual desire. While hormones are essential to reproduction, they are fundamental to all the systems of your body.
Explanation:
Answer:
A hormone is any member of a class of signaling molecules in multicellular organisms, that are transported to distant organs to regulate physiology and / or behavior. Hormones are required for the correct development of animals, plants and fungi.