Answer:
A.
Explanation:
Pesticides are designed to kill a specific target population, such as insects or weeds. however, over time the target population begins to develop a resistance to the chemical, making the pesticide less effective. In order to combat this, farmers need to use more potent pesticides.
Write the theoretical and behavioural aspects of unified rival insect
Write the theoretical and behavioural aspects of unified rival insect
Explain how mental health are caused by substance abuse
Answer:
This is because: Certain illegal drugs can cause people with an addiction to experience one or more symptoms of a mental health problem. Mental health problems can sometimes lead to alcohol or drug use, as some people with a mental health problem may misuse these substances as a form of self-medication.
Answer:
Substance abuse can cause prolonged psychotic reactions and it can make anxiety, depression even worse.
Which choice states the planet or planets that have an elliptical oroit around the sun
O Earth Jupiter and Mars
Jupiter
Mars
Earth
Answer:
Earth Jupiter and Mars
Explanation:
i took the test :)
Answer: Earth, Jupiter, and Mars
Explanation: Earth, Jupiter, and Mars
If the anterior pituitary began overproducing FSH due to a tumor, and it no longer responds to normal feedback mechanisms; what would happen
If the anterior pituitary began overproducing FSH due to a tumor, then the levels of inhibin would increase.
What is inhibin?The inhibin protein is a crucial factor involved in the generation of follicle-stimulating hormone (FSH) present in the body.
Inhibin protein is generated by specialized cells such as Sertoli cells (males) and granulosa cells (females).
In males, inhibin protein concentration in the blood is correlated to sperm (male gametes) count.
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Is a beneficial mutation always
considered beneficial?
A. No, it depends on the organism's personal goals.
B. No, it depends on the organism's environment.
C. Yes, it will always increase the organism's chances of
survival.
D. Yes, it will always increase the organism's chances of
finding a mate.
Answer:
B
Explanation:
B is the correct answer because the environment effects how the body has to adapt.
A beneficial mutation is not always considered beneficial because: (B) It depends on the organism's environment.
While a beneficial mutation can provide advantages to an organism in certain environments or circumstances, its benefits may not be universal. The suitability of a mutation depends on the specific environmental conditions in which the organism finds itself. Organisms inhabit diverse environments with varying challenges and selective pressures.
A mutation is a change in the DNA sequence of an organism's genetic material. Mutations can occur naturally due to errors during DNA replication or as a result of external factors such as exposure to radiation, chemicals, or certain environmental conditions.
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Peppered moths come in two color variations, as shown below.
Prior to the Industrial Revolution, the majority of the population in England consisted of the light colored variation. The dark colored moth became the dominant variation by the end of the 20th century and remained so for almost 100 years. Today, the light colored variation is dominant again.
What is the best explanation for this?
A. Populations with two variations have a better chance of survival than populations with more.
B. A single variation can be beneficial under some conditions and harmful under other conditions.
C. One variation will always be harmful, and the other will always be beneficial.
D. A single variation can be beneficial in all conditions or harmful in all conditions.
The answer, I do believe, should be option B. Here's my reasoning...
The question doesn't ask about a bunch of other species and how the moth variations relate to the survivability of many species, so I think that rules out option A. Option C is too black-and-white, because the explanation above simply states how a moth was able to survive better on different color variations. The last option, D, is also too black-and-white. So I believe that the answer is B, because sometimes, like prior to the Industrial Revolution, the one variation is better (as seen in the upswing of dominance in different variations).
What happens to oxygen as air pressure decreases?
the breakdown of phospho-creatine by creatine kinase
generates ATP more rapidly than any other mechanism
occurs in the cytosol or requires oxygen
The breakdown of phospho-creatine by creatine kinase neither occurs in the cytosol (cytoplasm) nor requires oxygen.
What is creatine kinase?Creatine kinase (CK) is a crucial catalytic enzyme required to catalyze the conversion of phosphocreatine.
During this process of conversion, ATP (which is considered the energy coin of the cells) is generated.
Creatine kinase (CK) is a fundamental enzyme to produce ATP in a quick mode and thus generate energy.
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Do u know Spanish because I need help on this Spanish test
Answer:
Hello, yes I speak spanish.
A vaccine is a substance that contains all or part of a noninfectious version of a disease-causing organism. When the vaccine is administered to a person, the person's immune system attacks the noninfectious version of the organism and learns to recognize its surface proteins. The next time the immune system comes in contact with the same surface proteins, it has a defense already prepared in order to respond quickly to the invading organism. In this way, a vaccine gives people immunity to the disease-causing organism.
Vaccines can be life-saving, but there have been a few cases of people catching a disease from the administered vaccine.
How might genetically engineered organisms solve this problem?
A.
Disease-causing organisms could be genetically engineered to produce insulin instead of toxins.
B.
Harmless organisms could be genetically engineered to have surface proteins from disease-causing organisms.
C.
Harmless organisms could be genetically engineered to recognize and destroy random cells in the body.
D.
Disease-causing organisms could be genetically engineered to only be harmful to plants.
What are all the boundaries
Answer:
divergent, convergent, and transform plate boundaries.
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True or false a substitution in an exon that does not change the amino-acid product probaly occurred in the first base position
Answer:
True or False?
A substitution in an exon that doews not change the amino-acid product probably occurred in the FIRST base position.
False; Third
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Scientists have predicted that as the population changes, the world is likely to see a decrease in natural resources. Based on the evidence in the graph, what should the scientists conclude?
As natural resource is depleting due to increasing population, so based on the evidence, scientists can conclude that developing countries will see a decrease in the natural resources with the sharp increase in the population, i.e., option D.
What is the effect of population on natural resources?As the population is growing, it uses more and more of the natural resources, this can lead to a decrease in the resources.
According to the given scenario, the evidence, scientists can conclude that developing countries will see a decrease in the natural resources with the sharp increase in the population.
Thus, the correct option is D.
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Outline seven soil pollutants and state two effects of each of this seven soil pollutants.
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Soil pollutants are substances which contaminates the soil. Soil pollutants are very harmful substances ,they makes the soil toxic . The presence of these substances in higher concentration directly affects the ecosystem, earth etc.
Here are some major soil pollutants :-1) Industrial wastes
Industrial wastes are the common soil pollutants. The discharge of industrial waste in the soil makes it very toxic and directly affects the growth of plants (agriculture) .Industrial waste also affects the life of some organisms like earth worms which makes the soil more fertile.2) Pesticides
Pesticides are the substances which are generally used to kill the pestes. It includes Insecticides, herbicides and fungicides. The higher concentration of pesticides in cropfield directly affects the human health and responsible for soil pollution, water pollution etc.3) Hydrocarbons
Hydrocarbons are the substances which are composed of hydrogen and carbon. Only some hydrocarbons are responsible for soil pollution as they are very harmful for living organisms. for example the most harmful hydrocarbons is PAHs ( Polycyclic aromatic hydrocarbons) .PAHs in soil affects the growth of plants and it is indirectly responsible for the cancer in humans.4) Metals
Most of the people don't know that the higher concentration of some metals makes the soil very toxic . The concentration of these metals in soil directly kills the human beings and other living organisms.5) Non - biodegradable substances
Most people throw the trash in the soil even they know that soil can't degrade the non - biodegradable substances. When these non - biodegradable wastes eaten by street animals it directly affects the health of those animals and disturbs the ecosystem.6) Human activities
Some people really don't care about the environment. They always do ,what they want to do without even thinking about its consequences on the environment. They throw Cigrattes in the soil, Drop alcohol in soil .These activities makes the soil toxic and the crops that are grown in contaminated soil directly affects the human health.7) Acid rain
It is major reason for the contamination of soil. Some people thought that, It is the natural cause of soil pollution but that's not the reality. Humans are the one's who are responsible for acid rain. Contamination of these acids makes the soil very toxic that it kills the plants on the spot.Answer:
See below.
Explanation:
1) Plastic / Glass:
● Non biodegradable substances & takes a long time to decompose.
● Harmful substances are released into the soil.
2) Acid rain:
● Changes the acid level of the soil.
● Causes harm to the plants, insects & ground water.
3) Pesticides / Insecticides / Artificial fertilisers:
● Alters the health of the soil.
● Causes harm to the plants & the organisms living in the soil.
4) Heavy metals (merculy, arsenic etc.)
● Causes toxic harm to plants & animals.
● Highly poisonous .
5) Industrial wastes:
● pH level of the soil can be altered.
● Makes ground water either too acidic or too basic.
6) Radon:
● Harms microorganisms .
● Can cause lung diseases.
7) Hydrocarbons:
● Affects soil health
● Affects the micoorganisms in the soil.
___________________
Hope it helps ⚜
why is fruit cultivation growing day by day?
As people of this generation are unhealthy due to lack of proper nutrition,just to gain healthy lifestyle fruit cultivation is growing day by day.
what are the human system
Answer:
The human system is a complicated living organism that is structured of internal and external organs and fluids. It has the heart, liver, kidneys, stomach, large and small intestines, brain, and skin.
What is used to make inferences from observations?
Answer:
When you make an inference, you form an explanation for something you observe. Your inference is based on what you already know and your past experiences.
Explanation:
What does DNA use to store information
DNA stores biological information in sequences of four bases of nucleic acid — adenine (A), thymine (T), cytosine (C) and guanine (G) — which are strung along ribbons of sugar- phosphate molecules in the shape of a double helix.
What are the two main forces that cause soil erosion?
A. Water and wind
B. Plate tectonics and earthquakes
C. Plate tectonics and water
D. Earthquakes and wind
Answer:
A. Water and Wind
Explanation:
Running water is the leading cause of soil erosion because water is abundant and has a lot of power. Wind is also a leading cause of soil erosion because wind can pick up soil and blow it far away.
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How could you take a protein with a known sequence of amino acids and use it to create an artificial gene?
It is possible to take a protein with a known sequence of amino acids and use it to create an artificial gene due to the genetic code.
What is the genetic code?The expression genetic code makes reference to certain triplets of nucleotides or codons that encode specific amino acids.
In consequence, it is possible to design a specific nucleotide sequence in order to synthesize a protein.
The genetic code shows how genetic information flows from DNA to RNA and then to protein.
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Which organism doesn't
photosynthesize?
A. some bacteria
B. plants
C. algae
D. fungi
Answer:
D. Fungi
Explanation:
Fungi does not contain the green pigment chlorophyll and therefore are incapable of photosynthesis.
The diagram below represents a process leading to the formation of a human embryo
Process 1 is known as:______
The first step in the formation of the human embrayo and it is called fertilization.
What is fertilization?The first step in the formation of a human embrayo is called fertilization. The term fertilization has to do with fusion of the male and female gametes to form a zygote.
Hence, the diagram as shown is the first step in the formation of the human embrayo and it is called fertilization.
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Which of the following is NOT true about bacteria
Answer:
The answer would be B
Explanation:
:=)
Answer:
B.
Bacteria are single-celled prokaryotic organisms, and it is a proven fact that prokaryotic cells lack a nucleus, cytoplasm, and membrane-bound organelles.
When a garter snake consumes a mouse, what happens to the organic matter that made up the mouse's body?
A.
It changes form.
B.
It is destroyed.
C.
It leaves the ecosystem.
D.
It becomes more massive.
There is a forest fire. Which cycle will be affected the most? A. Carbon cycle. B. Nitrogen cycle. C. Water cycle d. Oxygen cycle
Answer:
oxygen cycle
Explanation:
due to lose of oxygen the air will be polluted
what if the sun disappears one fine day ?
state the consequences of such a situation over the solar system.
thankyou ~
Explanation:
Sun plays an important role in our solar system especially planet like earth are dependent on sun for food, water and air. Sun helps to balance the ecosystem on earth.
Here is an assumption what would happen if sun disappear for one day only, it would be more curt if it disappear forever but from POV of one day below are certain consequences of such a situation over solar system,
You might be thinking if sun disappear then we would be seeing the moon for a whole day but don't forget, moon don't have it's own light, it reflects the rays coming from sun if sun disappear then surely moon would be like a ball kept in dark.It would happen for the first time if an asian man calls to someone in Europe, usually when here is night there is day and vica versa, but this time both will have same appear (night only)There's a idiom in Indian Hindi language that says "seeing the stars during the day time" which we use when we are going through something worse that we see the stars during daytime, but this time every human being on earth will see the stars during daytime, do not forget stars have their own light, they are not sun dependent.For the first time Night Blooming Jasmine will bloom and spread it's fragrance for 24 hours.Often when the earth revolves around its axis, a certain part of it receives light from the sun.But for the first time the earth will rotate around its axis without the sunlight falling on any part.people who are not allowed to go out of the house at night time can now enjoy the night out in the day too.Those trees and plants who slept in the hope that they would cook food in the morning with sunlight, they would not even know that their food has gone missing.Our ozon layer will have it's first leave from his duty.The bad thing is for the patients of night blindness, they will not be able to see this imaginary scene.Thanks for joining brainly community!
Which term describes the exchange of oxygen and carbon dioxide between the blood and the cells of the body?
External respiration
Internal respiration
Aerobic respiration
Anaerobic respiration
Ο ΟΟΟ
Answer:
The exchange of gases between the blood and tissue cells is internal respiration.
G
Some desert plants produce groups of seeds
where only a small portion of the group germinates
each year. Which statement best explains how this
type of seed germination affects the probability
that these desert plants will reproduce?
The probability that these deserts plants will reproduce depends on the favorable environmental conditions affecting each seed group.
What are seeds?Seeds are reproductive parts of the plant containing the embryo which will develop into the new plant under favorable environmental conditions.
Xerophytes or desert plants are plants which grow where there is limited water.
In order to adapt to these conditions, some desert plants produce groups of seeds where only a small portion of the group germinates each year.
Therefore, the probability that deserts plants will reproduce depends on the favorable environmental conditions.
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Complete the sentence. Fracking collects _________ that forms when organic matter is compressed under great temperature and pressure.
coal
crude oil
water vapor
natural gas
Answer:
the answer is natural gas :)
Explanation:
Petroleum and natural gas are formed from compressed organic matter
describe how hormones regulate blood pressure,blood volume,and kidney function
Answer:
The renin-angiotensin-aldosterone system acts through several steps to produce angiotensin II, which acts to stabilize blood pressure and volume.
Explanation:
Thus, the kidneys control blood pressure and volume directly. Renin acts on angiotensinogen, which is made in the liver and converts it to angiotensin
