Answers
1. Hormonal Changes: Women experience a significant decrease in estrogen levels during menopause, which accelerates bone loss and increases their susceptibility to osteoporosis. Men, on the other hand, generally have higher peak bone mass and a slower rate of bone loss.
2. Aging Process: As individuals age, bone remodeling and the replacement of old bone tissue with new bone tissue slow down. This gradual decline in bone density increases the risk of osteoporosis.
3. Genetics and Body Frame: People with a smaller skeletal frame tend to have less bone mass overall, putting them at higher risk for osteoporosis. Bone density and structure can also be influenced by genetic factors.
4. Lifestyle Factors: Certain lifestyle choices can further contribute to the risk of osteoporosis. Lack of physical activity, inadequate calcium and vitamin D intake, smoking, excessive alcohol consumption, and a sedentary lifestyle can all negatively impact bone health.
Related Questions
Help&explain
Don’t use for points or will be reported and I’ll take the points back
Answers
Answer:
They have lungs.
Explanation:
Reptiles that are currently living have lungs means they breathe through their lungs not like fishes which breathe through gills. They have dry skin and have scales on their skin. Snakes, lizards, turtles are the examples of reptiles. Some reptiles such as sea turtles and penguins are also lives in water, but they come onto land to lay their eggs and comes to the surface breathing.
14. Describe two economic benefits that resulted from the wolf reintroduction.
Answers
Answer:
Reintroduction would create a significant number of jobs related to environmental and wildlife population monitoring and evaluation. These jobs would be long-term and would increase in number each year as the wolf population grows. These jobs include: scientists, wildlife and range technicians, and wildlife rangers.
Explanation:
Answer:
Reintroduction would create a significant number of jobs related to environmental and wildlife population monitoring and evaluation. These jobs would be long-term and would increase in number each year as the wolf population grows. These jobs include scientists, wildlife and range technicians, and wildlife rangers.
Explanation:
You may want to change it up a bit, if you're copping and pasting.
Natural Selection Virtual Lab Report Instructions: As you complete each slide of the Natural Selection Virtual Lab Activity, please fill in this lab report with the appropriate information and data. Title: Natural Selection Objective(s): identify different types of evolutionary adaptations explain ways in which genetic variation and environmental factors contribute to evolution by natural selection and diversity simulate the effects of natural selection and genetic variation under specific environmental conditions Hypotheses: Variables: Materials: The Natural Selection Virtual Lab Activity Natural Selection Virtual Lab Report Procedures: The procedures are listed in Natural Selection Virtual Lab Activity. You do not need to include them here. Data and Observations: Table 1: Rabbits in the light-colored environment Generation Rate of Survival for White Rabbits Rate of Survival for Brown Rabbits 1 2 3 4 5 Table 2: Rabbits in the dark-colored environment Generation Rate of Survival for White Rabbits Rate of Survival for Brown Rabbits 1 2 3 4 5 Data Analysis: Part 1: In your data tables, you recorded the percentage of the rate of survival for both the white and brown rabbit in both the light-colored and the dark-colored environments. Part 2: Using your percentages in part 1, create a graph that represents the rate of survival for the white and brown rabbits in each type of environment. Insert chart [Hint: don’t forget to consider the relationship between your data and the type of graph to best represent your data. A bar graph would be the best option to analyze this data.] Conclusion: Include the following as a summary paragraph in the conclusion of your lab report: Analysis of the results of the experiment Using Table 1, which color rabbit had the higher rate of survival in the light-colored (white) environment? Explain why this occurred. Using Table 2, which color rabbit had the higher rate of survival in the dark-colored (brown) environment? Explain why this occurred. L
Answers
We can see here that in carrying out the experiment and identifying different types of evolutionary adaptations, we realize that the adaptations we can have are:
Structural adaptationsBehavioral adaptationsPhysiological adaptationsWhat is experiment?A scientific experiment is a test of a hypothesis, a demonstration of an established fact, or an evaluation of a specific technique, product, or method.
Natural selection-based evolution depends on both genetic variation and environmental influences. Natural selection can take advantage of genetic variety because individuals with beneficial qualities are more likely to live and reproduce, passing those traits on to subsequent generations.
We can see here that the above answer will help you to arrive at a logical conclusion after your experiement.
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Developing Psychological Theories: Mastery Test
1
Select the correct answer.
In which research method does a researcher change the value of one variable to determine how the change affects another variable?
ОА
experiment
B.
observational research
C survey
D. case study
Reset
Next
Answers
Answer:
The correct answer is - А. experiment.
Explanation:
An experiment is a type of research method used for scientific investigation to check how a natural phenomenon works and how a particular variable affected by causing or manipulating one variable.
The affected variable called the dependent variable and the variable that is changed is called the independent variable. Other than independent variables other variables should be controlled so there would be no influence on the result other than independent varibles.
The research method in which a researcher changes the value of one
variable to determine how the change affects another variable is during
Experiments.
What is an Experiment?An Experiment is usually conducted to confirm or refute claims of an
hypothesis. This is usually carried out by using two types of variables
called:
Dependent variable.Independent variable.This involves changing the independent variable which causes a
corresponding change in the dependent variable
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How can we reduce the amount of acid rain that falls
Answers
Answer:
1 stop deforestation
2 reduce the burning of fossil fuel
3 stop the use of cfc's
Explanation:
hope it helps
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
Answers
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.
Answers
It is true to say that Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.
All shopper products which is buy by various consumers are representing the laws of organic market, so every kind of consumer eat exhibits the value versatility of interest. Nonetheless, this doesn't mean the connection among request and cost is equivalent across a wide range of customer merchandise. A few sorts of purchaser merchandise show exorbitant cost flexibility of interest, while others show very little.
There are different elements that decide a decent's value versatility of interest. These incorporate such things as the fundamental or trivial nature of specific products, the accessibility of cutthroat substitutes, and the impact of a decent's image name and promoting.Purchaser staples are a sub-class of shopper merchandise that are viewed as fundamental items. Instances of this incorporate food, drinks, and certain family merchandise. Purchasers view these products as essential and fundamental forever. These are the staples individuals can't (or are reluctant) to kill from their financial plan. Furthermore, these items are non-repeating, meaning they are required and utilized all year, not simply occasionally.
Hence, given statement is true.
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(Complete question) is:
Product that is produced in high volume and with predictable demand and that is very price sensitive because the consumer can purchase it from a variety of competitors.Select true or false.
2. Construct Explanations. What is a possible benefit to an organism expressing codominant
or incomplete dominant traits?
Answers
Answer:
That trait will show up in the offspring. What is a possible benefit to an organism expressing codominant or incomplete dominant traits? ... An egg and a sperm join to form a new cell which creates unique offspring where asexual creates offspring with exactly the same genetic makeup.
Explanation:
why do you want to be a midwife?
Answers
I want to help moms and babies during pregnancy, labor, and the postpartum period using my education and talents.
I started out in a nursing program, but I soon realized that my interests and skill set were far better suited to the discipline of midwifery.
Midwives use their knowledge, abilities, and professional conduct to help the mother and her unborn child in a competent manner. The health of mothers and babies is enhanced and protected by midwives. In turn, this improves and safeguards society's health and well-being.
A midwife is a medical worker who has received training in how to help and care for people during pregnancy, labor, and delivery. Your health during pregnancy is supported by midwives.
Midwives are the primary healthcare providers who assist you during a natural birth if difficulties don't emerge.
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_____on the blood determine a person's blood type
Answers
Answer:
antigens
Explanation:
Using the following data, determine the amount of calories that should be present in the food item:
Carbohydrates: 25 grams
Proteins: 0 grams
Fats: 10 grams
Answers
The amount of calories that should be present in the given food item is 100 grams.
What are essential nutrients for our body?There are number of nutrients that are very essential for our body and these are vitamins, protein, minerals, water, carbohydrate,and fats.
The most important nutrient for our body is water as it helps in removing waste material from the body and maintains the temperature of the body.
The human body require these elements on daily basis to perform daily activities such as functioning of nervous system.
Therefore,the amount of calories that should be present in the given food item is 100 grams.
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ASAP! When a stationary object begins moving, what is true?
options:
Potential energy is converted to kinetic energy
Kinetic energy is converted to potential energy
Energy is being destroyed
Energy is being created
Answers
When a stationary object begins moving, the kinetic energy is converted to potential energy. Thus, option B is correct.
Where the energy has been stored?
As we know that the toy is pressed against the spring initially,
so the energy is stored inside the spring
this energy is given by
here we have
k = spring constant
x = compression in spring
when this toy is released then it is projected up by the spring with certain speed,
so here we can say that energy is converted into kinetic energy.
Potential energy has been the energy possessed by an object due to its height, position or arrangement whereas kinetic energy is the energy possessed by an object due to its motion. A sum total of potential energy and kinetic energy of an object is equal to its mechanical energy.
Therefore, When a stationary object begins moving, the kinetic energy is converted to potential energy. Thus, option B is correct.
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Individuals in a population of purple people earters are polymorphic at a single locus that leads to variation in purple people eater pup viability. 45% of the pups with genotype PP are viable, 54% of pups with genotype Pp are viable, but only 4% of pups with genotype pp are viable. What model of natural selection best fits these data
Answers
Answer:
The correct answer is - overdominance.
Explanation:
In the given question, genotype Pp is a heterozygote condition that has a 54% survival rate or fitness thus these individual people get more chance of mating and increase in number as compared to the other two conditions of PP or pp traits where PP has 45% survivability, less than heterozygous condition and more than pp that has only 4% rate.
It results in a normalizing selection model of natural selection as a moderate trait, that is heterozygote, is selected. Thus, the selection of overdominance which means heterozygote condition produces a better phenotype than PP or pp parents is heterosis.
Describe how neurons communicate electrically
Answers
Answer:
Neurons communicate with each other via electrical events called 'action potentials' and chemical neurotransmitters. At the junction between two neurons (synapse), an action potential causes neuron A to release a chemical neurotransmitter.
possible reasons for differences in enzyme activity
Answers
There can be several reasons for differences in enzyme activity, including temperature, pH, enzyme concentration, substrate concentration, and the presence of inhibitors or activators.
Enzymes are biological catalysts that accelerate chemical reactions in the body. The rate of enzyme activity can be affected by various factors, such as temperature and pH. Each enzyme has an optimal temperature and pH range at which it functions best. Deviations from this range can cause the enzyme to denature or lose its shape, leading to a decrease in activity.
Changes in enzyme concentration can also affect activity. An increase in enzyme concentration generally leads to an increase in activity, while a decrease in concentration leads to a decrease in activity. The rate of enzyme activity can also be affected by substrate concentration.
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An excess of greenhouse gases is warming the oceans. Which of the following describes an effect of excess greenhouse gases?
Sea levels will decrease due to thawing glaciers and ice sheets.
Organisms that live in colder temperatures will continue to thrive in their environment
Melting of glaciers and ice sheets will cause coastlines to shrink and increase flooding.
The increase in temperatures will prevent disease vectors from spreading to other regions.
Answers
Answer:
Melting of glaciers and ice sheets will cause coastlines to shrink and increase flooding.
Water lilies float on the surface of ponds. They grow in shallow ponds, so the roots of the plant can grow down into the mud at the bottom of the pond. Water lilies need about 4–6 hours of sunlight each day, and grow best in tropical areas.
Which statement best explains why water lilies cannot survive in the marine biome?
A.
The marine biome has an average yearly rainfall that is too high.
B.
The water in the marine biome is salt water rather than fresh water.
C.
The water in the marine biome is fresh water rather than salt water.
D.
The marine biome has an average yearly rainfall that is too low
Answers
Answer:
B
Explanation:
A is false
C is false
D is false
How are human beings and chimpanzees phylogenetically related?
A.
They share a common ancestor.
B.
They share the ability to use tools.
C.
They both belong to the animal kingdom.
Answers
Answer:
The correct answer is A.
Explanation:
The definition of phylogenetically is "in a way that relates to the evolutionary development and diversification of a species or group of organisms." This means any phylogenetic relationship has to be sharing and answer.
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Answers
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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Popular images of biodiversity often focus on large endangered animals, such as pandas and tigers. Why do you think it is equally important to consider the producer level of the food chain as endangered?
Answers
It is equally important to consider the producer level of the food chain as endangered because they sustain all the food chain. These organisms produce food.
What are producers?Producers are autotrophic organisms that generate their own food in a given ecosystem and/or food chain.
Producer autotrophic organisms include, among others, plants (terrestrial producers) and algae (marine producers).
Producer organisms are fundamental in a food chain because they sustain life at all trophic levels.
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write a paragraph explaining an of directional selection 
Answers
Answer:
Explanation:
Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. It has been demonstrated many times in natural populations, using both observational and experimental approaches.
I need help putting these in order!
Answers
Based on the information provided, the order in which the events described took place is E, A, B, C, F, D.
How did Earth and life formation occur?In this sequence of events, Earth was formed first, this occurred as Earth cold down and therefore it became solid. Despite this, the existing atmosphere was different than the one we have now as it was rich in carbon dioxide, this led to oceans that were rich in the same component.
Due to this, the first life forms relied on carbon dioxide and release oxygen, which later led to an increase in the oxygen levels and different life forms.
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3. Why are deforestation and overgrazing of livestock forms of land pollution? (0.5
point)
Answers
Deforestation and overgrazing of livestock are forms of land pollution because they both lead to significant degradation of soil quality and damage to the ecosystems they are a part of.
Deforestation involves the clearing of large areas of forested land, leading to soil erosion, loss of biodiversity, and changes to the water cycle. When trees are removed, the soil is left exposed and vulnerable to erosion by wind and water, which can lead to the loss of nutrients and topsoil. Deforestation also contributes to climate change by releasing large amounts of carbon dioxide into the atmosphere.
Overgrazing of livestock involves allowing too many animals to graze on a particular area of land, which can lead to soil compaction, erosion, and depletion of vegetation. When livestock graze on land beyond its carrying capacity, they can remove too much vegetation, making the soil more susceptible to erosion and degradation. Overgrazing can also lead to the spread of invasive species and the loss of native plant species, which can impact the overall biodiversity of the ecosystem.
In both cases, deforestation and overgrazing can lead to long-term damage to the land, reducing its ability to support plant and animal life and contribute to important ecological processes. As a result, these activities are considered forms of land pollution.
A man is 1.7 m long. An amoeba is 17 um long. How does the length of the
man compare to the length of the amoeba?
A. The man is ten (10) times larger than the amoeba.
B. The man is one hundred thousand (1 x 105) times smaller than the
amoeba.
C. The man is ten (10) times smaller than the amoeba.
D. The man is one hundred thousand (1 x 105) times larger than the
amoeba.
Answers
Answer:
D. The man is one hundred thousand times larger than the amoeba.
Explanation:
one meter is equal to 1,000,000 micrometers.
(1.7m * 1,000,000)/17 = 100,000
How is the nitrogen cycle important to humans?
A.It produces free nitrogen that humans can breathe.
B.It converts nitrogen into a form that humans can obtain by eating other organisms.
C. It produces nitrogen compounds that humans can breathe.
D. It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
Answers
The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).
What is the nitrogen cycle?Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.
The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.
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When the body cells are hypotonic to the blood plasma, water will move from intracellular fluid to extracellular fluid.
A. True
B. False
Answers
Answer:
True
Explanation:
Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answers
The organism that is most likely to carry out the process shown in the diagram is Calla lily (option D).
What is cellular respiration?Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
According to this question, a diagrammatic representation of cellular respiration is given in the above chart. Based on the chart, chloroplast is included to release oxygen gas needed for respiration.
Only green plants possess chloroplast used for photosynthesis, hence, Cana lily is the most likely organism to carry out the above process.
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Grass starts with 30,000 kcal of energy. A cheetah would acquire ( ? ) kcal of energy after it ate a zebra that had consumed the grass.
Answers
Answer:
300
Explanation:
on edge2021
If zebra get 10% energy of 30,000 kJ which is 3,000 kJ of energy. Then Cheetah gain the energy of 300 kcal via energy transfer.
What are the levels of energy transfer in a food chain?
In an ecosystem, the Food chain is the cyclical event among producer, consumer, decomposer and energy in the form of food.
A feeding level through which energy in the form of food is transferred from one organism to other in an ecosystem called as trophic level.
Primary producers which are plants and algae, Primary consumers are the herbivores and Secondary consumers are both carnivores and omnivores, Tertiary consumers and quaternary consumers are carnivores.
Autotrophs can convert light energy to chemical energy via photosynthesis, then to primary consumers followed by secondary consumers and finally transferred to the tertiary consumers.
The energy transferred to each level remains 10% only.
Thus cheetah would acquire 300 kcal of energy.
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PLS HELP
How is photosynthesis different than cellular respiration?
A. The process involves oxygen
B. The process involves light
C. The process involves carbon dioxide
D. The process involves water
Answers
Answer:
b
Explanation:
basic bio