Answer: A) Structural adaptation of seeds:
1. Sticky and feathery nature.
2. Float in water
3. Survive adverse conditions.
B) Economic and Biological importance of seeds:
1. Rich in proteins, starch and oil reserves.
2. Used as a raw material in industries.
Explanation: A) Structural adaptation of seeds are as follows :
1. Stamens are sticky and feathery for those seeds in which pollination is done by air
2.Water pollinating seeds have hyaluronic layer that do not allows them to get wet in water and their light weight provides them strength to float in water.
3. Some seeds develop sporopollenin layer. which provides them strength to survive the adverse conditions.
B) Economic and Biological importance of seeds are as follows :
1. Some seed contains higher amount of protein content, starch content, oil reserves. which helps in the growth of the growing plants.
2. Seeds are also used in food and chemical industries as raw materials.
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Where does about 5% of the Sun's
energy reflected by Earth's
surface go?
A. into the trees
3. onto the clouds
C. into the ocean
D. back into space
Answer:
D: space
Explanation:
because it is being reflected it is just moving from where it came from, and if not its goes off of earth.
in the michael reaction, following the first step in which a bond is made between the nucleophile and alpha-beta unsaturated carbonyl compound, a resonance stabilized intermediate is formed.
Yes, that is correct. In the Michael reaction, the first step involves the nucleophilic addition of a nucleophile, such as an enolate ion or a carbanion, to an alpha-beta unsaturated carbonyl compound, such as an alpha, beta-unsaturated ketone or aldehyde.
This results in the formation of an intermediate known as a Michael adduct, which is resonance-stabilized. The Michael adduct has a conjugated system of pi electrons that is delocalized across the molecule, which contributes to its stability. The Michael adduct can then undergo various transformations, such as elimination, protonation, or addition of another nucleophile, depending on the reaction conditions and the specific functional groups involved. The Michael reaction is an important method for the synthesis of complex organic molecules, and has numerous applications in fields such as pharmaceuticals, materials science, and agrochemicals.
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The black-footed ferifet is a highly specialized predator that depends on prairie dogs for survival. Prairie dogs make up more than 90% of the black-
footed ferret's diet, and prairie dog burrows provide ferrets with dens to raise their young, as well as a means to escape from predators and harsh
weather. Ferret habitats largely coincided with the habitats of the black-tailed prairie dog (C. ludovicianus), Gunnison's prairie dog (C. gunnisoni),
and the white-tailed prairie dog (C. leucurus). Despite significant recovery successes over the last decade, the black-footed ferret remains one of
the most endangered animals in the world.
After examining the map and reading the prompt, select the one situation has NOT contributed to the endangered status of black-footed ferret.
A. drastic climatic change due to global warming.
B. increased disease and death among prairie dog populations.
C. continued increase in the human population.
D. habitat destruction of the three prairie dog species.
E. conversion of grassland to agricultural land.
A. The offered prompt does not include global warming's drastic climate change as one of the causes of the black-footed ferret's endangered position.
Prairie dogsThe question does not imply that climate change has contributed to the fall of black-footed ferret populations, despite the fact that it can have detrimental effects on wildlife populations.
A highly specialized predator, the black-footed ferret depends on prairie dogs to survive. Almost 90% of a ferret's diet consists of prairie dogs, and the latter's burrows give ferrets shelters in which to rear their young and shelter from predators and bad weather.
The three species of prairie dogs' habitats are being destroyed, grasslands are being turned into farms, there are more diseases and deaths in the populations of prairie dogs, and the human population is still growing, which makes the black-footed ferret one of the most endangered animals in the world.
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What is speciation? Describe the three things required.
Speciation is the process by which a single species evolves into two or more distinct species. It occurs when populations of the same species become isolated that make them unable to interbreed.
What is species?Species is a taxonomic rank used in the biological classification of living organisms. It is the most specific classification and is used to denote a group of organisms that share the same characteristics and are able to interbreed to produce viable offspring.
In order for speciation to occur, three things are required: reproductive isolation, genetic divergence, and ecological divergence. Reproductive isolation occurs when two populations of the same species are unable to interbreed or produce viable offspring. Genetic divergence is when the two populations develop genetic differences due to mutations and natural selection. Ecological divergence is when the two populations live in different environments and adapt to survive in their respective habitats.
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Please help!
Identify the highlighted structure.
The canaliculi are the highlighted structure. The extracellular matrix is the connective tissue's prominent component.
Which structure has white pulp highlighted?The white pulp as well as the red pulp make up the human spleen. Its periarterial lymphatic sheathing (PALS) and follicles, two collections of mobile T- and B-lymphocytes, respectively, make up the white pulp.
What layer has been highlighted?The pia mater of the dermis is the skin layer that is highlighted. The structure that is highlighted secretes sebum. The structure that is highlighted secretes sebum.
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How do you calculate the adjusted amount of energy that is availa
net primary productivity plus gross primary productivity
gross primary productivity minus amount of organic mat
O gross primary productivity minus net primary productivity
Onet primary productivity plus amount of organic material
The gross primary productivity less the amount of organic material utilised for respiration equals the amount of energy that is accessible to organisms above producers (Option D).
What in an ecosystem is GPP?The rate at which solar energy is absorbed per unit area in a unit time during photosynthesis is known as gross primary productivity (GPP). The NPP is computed by subtracting metabolic functions including respiration, growth, and maintenance from GPP since some of the energy collected is used in these activities.
The pace at which all plants in an ecosystem create net usable chemical energy is known as net primary productivity (NPP). Gross primary productivity (GPP) measures how much biomass is saved and collected by primary producers for energy conservation.
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List the two major organs of the cardiovascular system
When analyzing environmental issues, scientists try to predict future states or events, which is difficult because so many factors are unknown. Nevertheless, predictions are valuable for determining and managing risk.
Select the FALSE prediction for the future of the environment.
Fewer forests will mean more greenhouse gases in the atmosphere.
Global temperatures are expected to increase by up to ten degrees over the next hundred years.
Water pollution is expected to continue to deteriorate both ocean and fresh water quality.
Overexploitation of plants and animals will decrease as endangered species legislation is enforced.
The FALSE prediction for the future of the environment is: Overexploitation of plants and animals will decrease as endangered species legislation is enforced. So, the Last option is appropriate.
Overexploitation refers to the excessive use of a natural resource, such as a plant or animal species, beyond what is sustainable and ultimately leading to depletion of the resource or endangerment of the species. It often involves human activities such as hunting, fishing, and logging, and can have negative impacts on both the environment and human societies that depend on these resources.
Although endangered species legislation can help protect certain species, it does not necessarily mean overexploitation of plants and animals will decrease. Illegal poaching and black market trade of endangered species still occur, and enforcement of endangered species legislation can be difficult.
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The HACCP team should consist of individuals who have what
Why do we need a new flu vaccine each year? Use some form of the following words in your answer:
Mutate
Natural selection
Adapted
The flu virus mutates quickly and passes through natural selection to adapt to different surroundings, so we need a new vaccination every year.
What use does the flu shot serve?Vaccines against the four influenza viruses that are expected to be the most prevalent throughout the forthcoming season are known as influenza (flu) vaccinations. The majority of flu vaccinations are administered with a needle, typically in the arm, although there is also a nasal spray vaccine available.
How many flu shots are administered annually?Each flu season, the CDC advises getting an annual flu shot by the end of October or as soon as you can. The annual flu vaccination is covered by Medicare Part B. If necessary for medical reasons, extra flu vaccines are covered.
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Because the flu virus mutates quickly and adapts to various environments through natural selection, we need a new vaccination every year. Influenza (flu) vaccinations are vaccines that protect against the four influenza viruses that are thought to be the most active during the upcoming season. The majority of flu shots are given through a needle, usually in the arm.
When river water is used for households, what category of water use is that?
O instream and offstream; consumptive and nonconsumptive
O instream; nonconsumptive
O offstream; nonconsumptive
O instream; consumptive
O offstream; consumptive
The category of water use is off-stream and nonconsumptive when river water is used for domestic purposes.
Offstream water usage is the term for using water for a specified purpose away from its natural sources, such as a river or lake. In this instance, river water is being used for domestic purposes.
Nonconsumptive water usage is when water is used for a process without being consumed or depleted. In this instance, the water is being used by the household for tasks like cleaning, bathing, and laundry, but it is not being consumed in the sense that food or drink is being made with it.
Hence, "off-stream; nonconsumptive" is the right response.
In conclusion, residential usage of river water falls under the categories of off-stream and nonconsumptive water use.
Offstream water use is the use of water for a specified purpose that is separated from its natural source, whereas nonconsumptive water use is the use of water that is not consumed during the process.
As a result, when river water is used for home purposes, it is taken from the river (off-stream) for tasks like washing and cleaning (nonconsumptive).
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Which item makes the sequence complete?
Community-Ecosystem-________-Biosphere
A. Species
B. Biome
C. Organism
D. Population
Answer:
organism. without it life you wouldnt have a sustainable ecosystem. you need to make sure theres enough of everything.
ex- you need to make sure theres enough deers in the woods and things like that bc other animals will eat it. you get what im saying.
Explanation:
When the price of food kept increasing rapidly, residents of which one of the following countries revolted in the country's major cities by rioting in 2008?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
Jordan
Egypt
South Africa
Burkina Faso
The correct answer is Egypt.
For a quota to be successful… (Fishing and Aquaculture)
1. It must be set at the maximum amount that the consumers will purchase each year.
2. It must be set at or above the maximum sustainable yield for the fishery.
3. It must be set at or below the maximum sustainable yield for the fishery.
4. Quotas have not been shown to be successful in preventing fish stock collapse.
A quota Fishing must be established at or below the fishery's maximum sustainable yield (MSY) in order to effectively manage the fishery. The MSY is the maximum catch per year (MCY).
Fishing quotas have a limit on what?One type of catch share used by many governments to control fishing is the individual fishing quota (IFQ), often known as "individual transferable quotas" (ITQs).
How can fishing quotas assist in raising fish stocks to a level that is sustainable?Fishing quotas, which restrict the quantity of a certain species of fish that can be caught and killed, have been implemented in many nations. To ensure that young fish can mature into reproducing adults, the amount of the gaps in fishing nets has also been increased.
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Which plant uses wind as a way to disperse seeds?
Answer:
Many plants use wind as a way to disperse their seeds. Some examples include dandelions, maple trees, and milkweed. When the seeds are mature, they are released from the plant and carried by the wind to new locations. This allows the plant to spread its offspring over a wider area, increasing its chances of survival and reproduction.
Which of the following resulted in an increase in tidal volume above the normal value?
a. emphysema
b. moderate exercise, acute asthma attack plus inhaler and emphysema
c. acute asthma attack plus inhaler
d. moderate exercise
Moderate exercise will result in an increase in tidal volume above the normal value.
D is the correct answer.
The number of lung volume receptors and other receptors in the respiratory control centre increase during physical exercise, leading to a higher ventilation rate. As a result, both the tidal volume and the breathing rate rise during exercise.
There is a slight increase in vital capacity, which allows for the inspiration of more air, as well as a slight increase in tidal volume, which allows for the inhalation of additional oxygen into the lungs. Minute Volume, or the volume of air inspired or exhaled every minute, will also rise.
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Which of the following is true of the role of socialism in the United States today?
In contrast to Western Europe, Australia, and New Zealand, the United States has never seen the emergence of a significant socialist party, and the socialist movement there was very small.
What function does socialism serve in the world?In accordance with the social and economic ideology of socialism, property and natural resources should be owned or controlled by the government rather than the private sector. The socialist perspective holds that people don't live or work alone; rather, they collaborate with one another.
State socialism has historically been promoted as a strategy to nationalise industry and achieve public control of the means of production. A socialist economy was to be built during this interim period.
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please help
Use the scenario to answer the question.
Someone purchases a disposable water bottle, uses it several times, then throws it in the garbage.
How would you evaluate these actions in terms of conservation?
(1 point)
O It is better than using a glass to drink water from the tap, but they should not be drinking so much water.
○ It is better than using a glass to drink water from the tap, but they should recycle the bottle.
OIt is better than using the bottle only once, but they should recycle the bottle.
O It is better than reusing it only once, but they should not be drinking so much water.
connexus.com/index.html#
Answer:
The most conservation-friendly option in this scenario would be to use a reusable water bottle instead of a disposable one. However, given the options provided, the best answer is: It is better than using the bottle only once, but they should recycle the bottle.
Explanation:
Even before development of genome-editing techniques like CRISPR, more than _____% of U.S. based processed foods contained GMOs.
75
85
90
50
Answer: 75%
Explanation: Hope this helps
population remain constant through enormous fertility give reason
-melting
-boiling
-Energy is absorbed
-energy is released
-freezing
-Increasing the temperture
-total ammount of energy in an isoalted system does not change
-Study of Heat and Energy
-Energy can change forces from one type to another
-condensation
-decreasing the temperture
-Energy Cannot be Created or Destroyed
- Joule
-Calorie
a. 1st Law of Thermodynamics
b. +q
c. -q
d. Unit of Energy
e. Thermodynamics
A cell's function is determined by its shape comment
Answer: Yes, the function of a cell can be determined by its shape and size or vice versa. The muscle cells are elongated and it helps in the contraction.
Which type of mirror can create a real image?
Briefly discuss psychology as science and it influences in the teaching and learning
It teaches and examines essential principles of human behavior that can shape learning. Psychology also helps teachers use measurements and assessments correctly, to better gauge where students are in their learning
Answer:
Psychology is a scientific study of the mind and behavior. In the context of teaching and learning, psychology has several important influences. One key area is educational psychology, which focuses on how students learn and how to improve teaching methods. Psychology also plays a role in the development of educational technology, such as computer-based learning programs or online courses. Another area where psychology has an impact on teaching and learning is in the area of mental health. Teachers and educators play an important role in identifying and addressing mental health issues in students. Overall, the scientific study of psychology provides valuable insights into how people learn and how to create effective learning environments, which can improve student outcomes and support the success of their students.
Explanation:
Psychology is the scientific study of the mind and behavior. As a science, psychology uses empirical methods to gather and analyze data in order to better understand human behavior and mental processes.
In the context of teaching and learning, psychology has several important influences. One key area is educational psychology, which focuses on how students learn and how to improve teaching methods. Educational psychologists study topics such as motivation, memory, and learning styles to help teachers better understand their students and create more effective learning environments.
Psychology also plays a role in the development of educational technology, such as computer-based learning programs or online courses. By understanding how students learn and process information, educational psychologists can create technology-based learning tools that are more engaging and effective.
Another area where psychology has an impact on teaching and learning is in the area of mental health. Teachers and educators play an important role in identifying and addressing mental health issues in students. Understanding the principles of abnormal psychology and developmental psychology can help teachers identify signs of mental health issues and provide appropriate support and interventions for their students.
Overall, the scientific study of psychology provides valuable insights into how people learn and how to create effective learning environments. By applying these principles to teaching and learning, educators can improve student outcomes and support the success of their students.
Exam Lesson Name: Introduction to Medical Terminolo
Exam number: 427119RR
Exam Guidelines
Exam Instructions
Question 11 of 20:
Select the best answer for the question.
11. The correct way to formulate a definition for medical words is to read the word parts from the
A. right to the left.
B. middle to the left.
O C. middle to the right.
O D. left to the right.
Answer:
Correct answer is option A.
Please help with this biology question! Photo is added of the problem.
The mutation in the DNA sequence is the substitution of a T for a C at position 5, resulting in the sequence TACGCCC
What is the mRNA sequence of the mutation?The mRNA sequence is AUGCGGGAACCGUGACU.
The amino acid sequence is Met-Arg-Asn-Arg-Asp.
The effect on the protein will depend on which amino acid is substituted for the original amino acid. To determine the effect, we can use the genetic code chart below to compare the original codon (TAC) to the mutated codon (CAC). The original codon codes for the amino acid tyrosine (Tyr), while the mutated codon codes for the amino acid histidine (His). Depending on the location and function of the protein, this change in amino acid could have no effect, a minor effect, or a significant effect on the protein's structure and function.
This is a substitution mutation, specifically a missense mutation, because it results in a different amino acid being incorporated into the protein.
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How are the life cycles of mollusks and insects alike? Need the answer fast please
Answer:
The life cycles of a mollusk and an insect are alike because the larvae both look like worms. Some of them are worms, but the larva of the insect grows to look like a regular adult later on in life. There are other similarities that I cannot state.
Explanation:
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Which describes electric cars or hybrid cars? (1 point)
O They produce more pollutants,
O They run fully on unlimited resources.
O They are fuel-efficient.
O They burn more fossil fuels than other cars.
Answer:They are fuel-efficient
They produce more pollutants,
Explanation:
Answer:
The correct answer is:
They are fuel-efficient.
Both electric cars and hybrid cars are known for their fuel efficiency. Electric cars are powered by electricity, which is a renewable resource, while hybrid cars use both an internal combustion engine and an electric motor to achieve better fuel efficiency. Compared to traditional gasoline-powered cars, electric and hybrid cars produce fewer emissions and are therefore more environmentally friendly.
Explanation:
What is altruism? Explain why altruism is an important adaptive behavior that helps animals to pass along their genetic material.
Altruism is a behavior in which an individual acts to benefit another at a cost to itself. This behavior is typically observed in social animals, such as humans, primates, and insects, and is considered an important adaptive trait that helps individuals to pass along their genetic material.
Altruism can take many forms, such as sharing food, providing protection, or caring for offspring that are not genetically related. While altruistic behaviors may appear to be detrimental to the individual performing the behavior, they can actually increase the individual's inclusive fitness, which is the sum of its own reproductive success plus that of its relatives.
This is because many social animals live in groups that are composed of related individuals, such as siblings or parents and offspring. By helping these related individuals survive and reproduce, an altruistic individual can indirectly pass along its own genes, which are shared with its relatives.
For example, if a female ground squirrel helps to care for the offspring of her siblings, she may be reducing her own reproductive success by diverting resources away from her own offspring. However, if the offspring she cares for are also carrying some of her genes, then she may be increasing the overall reproductive success of her genes in the population.
Altruism can also be maintained through reciprocal altruism, in which individuals exchange acts of kindness with one another. For example, if a group of chimpanzees regularly share food with one another, they may be more likely to help each other out in the future, which can increase their overall survival and reproductive success.
In conclusion, altruism is an important adaptive behavior that helps animals to pass along their genetic material. While it may appear to be detrimental to the individual performing the behavior, altruism can actually increase an individual's inclusive fitness by benefiting its relatives or by promoting reciprocal altruism within a group.
Answer:
Altruism is a type of behavior in which an individual performs an action that benefits another individual, often at the expense of its own survival or reproductive success. Altruism is considered an important adaptive behavior because it can help individuals to increase the survival and reproductive success of their close relatives, and therefore increase the chances that their shared genetic material will be passed on to future generations.
The underlying mechanism that allows altruism to be adaptive is known as kin selection, which is the idea that natural selection can favor behaviors that increase the survival and reproductive success of close relatives, even if these behaviors are detrimental to the individual's own survival and reproductive success. This is because close relatives share a proportion of their genetic material, and by helping their relatives to survive and reproduce, they can increase the likelihood that their own genes will be passed on to future generations.
One example of altruism in animals is seen in social insects such as bees, ants, and termites. In these species, the majority of the individuals in the colony are sterile workers, which means that they are unable to reproduce themselves. However, they engage in behaviors such as foraging for food, caring for the young, and defending the colony from predators, which increases the survival and reproductive success of the queen and her offspring, who are closely related to the workers. By helping the queen and her offspring to survive and reproduce, the workers increase the chances that their own shared genetic material will be passed on to future generations.
During a population study, it was found that the frequency of albinism is 1:40,000. Determine the genetic structure of the population.
The genetic structure of the population is: 99.0025% of individuals have the dominant allele, 0.995% of individuals are heterozygous carriers of the recessive allele, 0.0025% of individuals have the recessive allele and exhibit albinism.
The frequency of albinism in a population can give us information about the genetic structure of the population. The frequency of albinism is 1:40,000, which means that for every 40,000 individuals in the population, one individual is expected to have albinism. Assuming that albinism is a recessive trait and that the population is in Hardy-Weinberg equilibrium, we can use the Hardy-Weinberg equation to determine the frequency of the two alleles in the population:
p² + 2pq + q² = 1
where:
p = frequency of the dominant allele
q = frequency of the recessive allele
p² = frequency of homozygous dominant individuals
2pq = frequency of heterozygous individuals
q² = frequency of homozygous recessive individuals
In this case, q² represents the frequency of individuals with albinism, which we know is 1:40,000 or 0.000025. Therefore, we can set up the equation as follows:
0.000025 = q²
q = sqrt(0.000025) = 0.005
Since q represents the frequency of the recessive allele, we can now calculate the frequency of the dominant allele as: p = 1 - q = 1 - 0.005 = 0.995
Finally, we can calculate the frequencies of the different genotypes in the population:
p²= (0.995)² = 0.990025 (frequency of homozygous dominant individuals)
2pq = 2(0.995)(0.005) = 0.00995 (frequency of heterozygous individuals)
q² = (0.005)² = 0.000025 (frequency of homozygous recessive individuals)
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