Answer:
A model: The main types of scientific model are visual, mathematical, and computer models. Visual models are things like flowcharts, pictures, and diagrams that help us educate each other.
Explanation:
How much does this is the ability of the body to maintain internal balance by changing external conditions how does the Respiratory system to help maintain homeostasis respiratory system help maintain homeostasis
Answer:
The internal balance of the organism is given by a functional organization between all the systems of the human organism, that is why no closed system, all interact with each other.
Homeostasis is known as: A set of self-regulatory phenomena, leading to the maintenance of relative constancy in the composition and properties of an organism's internal environment.
The homeostasis of the lung works by means of partial gas pressures, as we already know all gases go from areas of higher partial pressure to one of lower partial pressure, that is why when in our body CO2 increases and we enter a hypercapnia the system Release pulmonary CO2 excessively to the external environment, in contrast to oxygen when the partial pressure of oxygen is greater in the atmosphere than in our body, oxygen diffuses through the alveoli and goes to the affected capillaries for respiration.
This phenomenon explains the importance of oxygen in the atmosphere must always be greater than inside our body, since the lotratrario will not be able to breathe.
Furthermore, the respiratory system regulates situations of metabolic acidosis or alkalosis through hyperventilation or increased respiratory rate.
Explanation:
The respiratory system along with other systems acts in a connected way, it never acts alone, that is why they have receptors and signals between them.
Each one seeks to maintain the homeostasis of his own system in order to generate a balance and at the end of the day maintain the homeostasis of the TOTALITY of the organism
All of the following are examples of negative human impact on the environment EXCEPT...
deforestation
pollution
overpopulation
reducing waste
burning fossil fuels
Answer:
reducing waste
Explanation:
reducing the amount of waste in the environment is a good thing!
All of the following are examples of negative human impact on the environment except reducing waste. Thus, option D is correct.
What are the ways human impact the environment?
According to reports human impact the environment in so many ways and these ways are pollution, burning of the fossil fuels, deforestation,as well as overpopulation. The main impact on environment is due to burning of fossil fuels and the smoke releases from it causes pollution that harm our environment.
Overpopulation is one of the major headache now a days and day to day increase in the population increase the pollution as man made pollution and this impose a huge impact on the environment. The main impact on environment is due to burning of fossil fuels and the smoke releases from it causes pollution that harm our environment. In the process of deforestation trees were cut down and the roots of tree are unable to bind the soil that causes land sliding and it causes natural disaster.
Therefore, All of the following are examples of negative human impact on the environment except reducing waste. Thus, option D is correct.
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Which of the following would most likely happen if DNA polymerase were not functioning properly during DNA replication? (2 points)
A. Any of the nitrogenous bases in the DNA strands would be able to form base pairs with each other.
B. The new strands of DNA would not be an exact copy of the original DNA.
C. The two strands of DNA would separate from each other and be unable to reform.
D. Hydrogen bonding between nitrogenous bases would cause the DNA to fold upon itself.
In which way is primary succession similar to secondary succession?
Both occur where life already exists.
Both are gradual.
Both occur where no life exists.
Both involve creating soil.
Answer:
The answer is b and it is correct
Explanation:
took the test.
Primary succession similar to secondary succession as both are gradual. So, the correct option is B.
What are Primary and secondary succession?Both primary succession and secondary succession entail a long-term, slow process of ecological change. Primary succession refers to the emergence of an ecosystem in an environment devoid of life, such as bare rock or sand dunes.
The rebuilding of an ecosystem in an area where life once flourished but was disturbed or eliminated, as in the aftermath of a fire or human disturbance, is known as secondary succession.
Both forms of succession entail a gradual process of organism colonization, with early successional species fostering the establishment of subsequent successional species. While the process of primary succession includes the production of soil, secondary succession does not share this characteristic.
Therefore, the correct option is B.
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Why do you suppose there is that 42-mile difference?
Why is it further around the equator than around in a
North-South direction?
*this is an open ended question * PLEASE ANSWER
Answer:
The earth rotates on the axis that passes through the north and the south of the planet and is of 24-hour duration. Similar to that of the rotation of the moon which is sideral, this rotation is in the anticlockwise direction. And this originated by the angular movement of the clouds of the dust and gases that have coalesced to for the solar system.
Thats answer is something else i think since your going up its much more faster then going around equator sin earth rotates on its axis
\Explanation:
Answer:
the earth rotates on a angle.
Explanation:
Explain what "extinction" means
Exitinciton means dead, something that live in the past.
Which statement correctly describes the way that almost all organisms in the kingdoms Plantae and Animalia obtain nutrients?
Plants are autotrophs, and animals are heterotrophs.
Plants are heterotrophs, and animals are autotrophs.
Both plants and animals are autotrophs.
Both plants and animals are heterotrophs.
Answer:
plants are autotrophs, and animals are heterotrophs
Explanation:
autotroph produces their own food while heterotrophs depends on something.
Answer:
A. Plants are autotrophs, and animals are heterotrophs. Explanation:
The native range of a species includes all areas in which it liv
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
Becuase the native range and the place it lives in is the same place
hope it helps :)
What changes would you expect to take place in the make-up of urine produced on a hot summer's day after playing sports for an
hour?
a) A
b) B
c) C
d) D
HELP!
NOT 100% SURE SO WANT FEEDBACK!!!WILL GIVE BRAINLIEST, RATE AND VOTE!!!AT LEAST TAKE A LOOK!!!!!!!!
What term refers to water that goes down the drain in your sink and shower or washing machine?
A) contaminants
B) wastewater
Answer:
B) wastewater: all the waste water that goes down our sinks, out of the shower, from our washing machines and even from our toilets. Blackwater – waste water that comes from our toilets. Greywater – waste water that comes from our sinks, laundries, showers and baths.
Explanation:
Which statements describe analogous structures? Check all that apply.
Analogous structures indicate a common ancestor.
Analogous structures do not indicate a common ancestor.
Analogous structures have the same structure, but may have a different function.
Analogous structures have the same function but a different structure.
An example of an analogous structure is the wing of a bat and a butterfly.
An example of an analogous structure is the forelimb of a human, a dog, and a whale.
Answer:
2,4,5
Analogous structures do not indicate a common ancestor.
Analogous structures have the same function but a different structure.
An example of an analogous structure is the wing of a bat and a butterfly.
Explanation:
Which of the statements below is a water quality conservation method used in the United States?
Which statement about a dichotomous key is true?
A dichotomous key is based on the temporary actions of an organism.
A dichotomous key may include a question that has three or more answers.
A dichotomous key may have a group with no organisms in it.
A dichotomous key is complete when each organism stands alone.
Answer:
A dichotomous key is complete when each organism stands alone is the correct answer.
Explanation:
Dichotomous key helps scientists and biologists to known the identity of the various unknown things present in a natural world such as mammals, trees, fish, rocks, reptiles.
This tool is used to recognize and classify an organism based on their characteristics and it helps to provide a correct name to an organism that differentiates the organism from the other objects.
The dichotomous key identifies the individual species, objects, or organism with its scientific name.
Answer:
D;)
Explanation:
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Which element is necessary to form a protein molecule but not a carbohydrate
molecule?
Question 3 options:
A. carbon
b. nitrogen
c. oxygen
d. hydrogen
How are prokaryotic and eukaryotic cells similar?
Question 7 options:
A. Both contain cell walls.
B. Both contain a nucleus
C. Both contain ribosomes
D. Both contain membrane-bound organelles.
Answer:
1.Nitrogen is the answer because carbohydrates contain carbon,hydrogen and oxygen.
2.They both have a nucleus-----prokaryotic cells are cells whose nucleus is not membrane bound while eukaryotes are cells whose nucleus is membrane bound
What is another name for a flowering plant?
bryophyte
gymnosperm
angiosperm
polypodiophyte
Answer:
angiosperm is its other name.
In which process is a zygote formed in a plant from the joining of a sperm and an egg?
A.fertilization
B. pollination
C. seed dispersal
D. vascular transport
Answer:
A. Fertilization
Explanation:
Answer:
A. Fertilization
Explanation:
Fertilization is the process in which a sperm from a male organism is transported into the ovaries of a female organism, and fertilizes the egg inside, creating a zygote. This correctly matches the description of the question it's asking, so therefore the answer is A. Fertilization.
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A bog is a wetland that...
A) is entirely covered with thick floating mats of vegetation
B) has shallow water and tall grass like plants
C) has shallow water and Woody shrubs and trees
D) has mostly salt water
(please no guesing)
Answer: (A
Explanation:
Answer:
A) is entirely covered with thick floating mats of vegetation
Explanation:
The bog vegetation, mostly sphagnum moss anchored by sedges (such as Carex lasiocarpa), forms a floating mat approximately half a meter thick on the surface of the water or on top of very wet peat.
some Engineers are creating models of several unicellular organisms. which of these would all the models have in common?
~They would all be made of many cells with cell walls?
~They would all have parts to help them move around their environment?
~They would all have chloroplasts to trap sunlight and create their own food?
~They would all have one cell with smaller parts that do different jobs within the cell?
Answer:~They would all have one cell with smaller parts that do different jobs within the cell?
Explanation:
The oceans’ tides are caused by the gravitational pull of what object or objects?
The Sun only
the Sun and the planets
the Moon and the Sun
the Moon and the planets
Helpppp pleeease i will mark brainlest
Answer:
The moon and planets
Explanation:
The gravitational pull of The moon and planets causes ocean tides
Based on changes in human populations from ancient times to the present, what do you think might have happened to movement of human genes? Check all that apply. there is a larger pool of human genes there is more genetic variation in a given human population than in the past genes move more easily from one population to another humans continue to change, as genes continue to move
Answer:
All of them are right
Explanation:
Following option applies here:
there is a larger pool of human genesgenes move more easily from one population to anotherhumans continue to change, as genes continue to moveWhat is gene pool?A gene pool is the total collection of all the genes, including variations (alleles), in a particular species or population. It refers to the genetic diversity within a population and includes all the different versions of a gene that can be found in the individuals of that population.
The gene pool can change over time due to genetic drift, mutation, and migration, which can lead to the evolution of a population. The larger the gene pool, the more variation and diversity there is within a population, and the greater the potential for adaptation to changing environments.
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Which of these is a characteristic of prokaryotes?
They have a nucleus.
They are always unicellular.
They are larger than eukaryotes.
They have membrane-bound organelles.
Answer:
They are always unicellular
Explanation:
The other options are false:
Prokaryotes do not have nucleus
Eukaryotes are larger than Prokaryotes
They do not contain membrane bound organelles
Answer:
It is B.
I looked everything up and the second option was the only thing that made sense.
A person who is interested in the hypothalamus and its functions might pursue a career in Group of answer choices neuroscience gene therapy endocrinology sports medicine
Answer:
neuroscience
Explanation:
in my own understanding the answer should be neuroscience because the rest of them do not have anything to do with the brain
Answer:
endocrinology
Explanation:
how is radioactive dating important for providing evidence for evolution
Radioactive dating is important at it helps in providing evidence for evolution because it tells you when the animal that made a fossil was alive. The correct option is D.
What are the radioactive dating?Radioactive dating is a technique for dating rocks and minerals that makes use of radioactive isotopes.
This method is useful for igneous and metamorphic rocks that cannot be dated using the sedimentary stratigraphic correlation method. There are over 300 naturally occurring isotopes known.
Scientists use slow-decaying elements such as uranium and potassium to date igneous rock.
They can determine the age of the sedimentary layer in which the fossils occur by dating the surrounding layers. This is known as "bracketing" the age of the sedimentary layer within which the fossils occur.
Thus, the correct option is D.
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How can genetic engineering be used to treat and cure diseases?
Answer:
-for repairing or replacing defective genes
- for genetic screening of fetuses
Explanation:
Which of the following causes a strand of mRNA to form
A. Transcription
B. Translation
C. Replication
Answer:
The answer is A, transcription
Water lilies are very well adapted to their habitats. They live and grow on the edges of shallow water, lakes, or ponds. They are rooted under water, but their leaves are afloat so they can get what
Answer:
Explanation:
The water lilies have broad, flat floating leaves that let them gather the maximum amount of sunlight since this does not permeate the water's surface very deeply. The also possess stomata in the upper epidermis to enable them absorb carbondioxide.
What form of food is produced in photosynthesis that is then converted
into ATP using oxygen during cellular respiration?*
Answer: (BRAINLIEST PLEASE)
Cellular respiration can be described as the reverse or opposite of photosynthesis. During cellular respiration, glucose, in the presence of oxygen, is converted into carbon dioxide and water. Recall that carbon dioxide and water are the starting products of photosynthesis.
Explanation:
Can science be ethical if the scientists conducting the work are not ethical? How would
you determine this?
Answer:
Explanation:
ntific progress, the driving force for the majority of the changes witnessed in the 20th century, requires a critical mind, free of prejudice and open to new ways of thinking. The rapid development of modern science since the Renaissance is due mainly to the postulate that scientific theories should be independent of theological or religious beliefs. In the 17th and 18th century, knowledge was mainly exchanged through scientific academies which disseminated new theories and thus accelerated scientific progress. At the beginning of the 19th century, there was a remarkable rise in academic research at universities, also labelled ‘pure’ research. Scientists were not interested in practicalities and were not concerned with the technological applications of the results of their endeavours. They proclaimed the neutrality of science, stating that the advancement of knowledge could not be considered good or bad. In this context, science was not responsible for its applications, and even less for their subsequent use.
Fossil fuels have been used for years as a source of energy. Even though there are many negative issues associated with the use of fossil fuels, they continue tobeused to a great extent. This is most likely because
Answer:
These fuels are very efficient, it means that fossil fuel sources (oil, natural gas and coal) have high energy conversion rates, thereby they enable to generate important amounts of energy.
Explanation:
It has been shown that the overall efficiency of the conversion of fossil fuels to electricity is approximately 40%, while 60% of the energy produced is wasted during the process of combustion. However, it is important to note that the efficiency of renewable energies (i.e., geothermal, solar, hydroelectricity, wind and biomass) have been considerably increased in the last years.
Mitochondria are cellular organelles that act as the power generators of the cell by converting oxygen and nutrients into ATP. The number of mitochondria present in a cell depends on the metabolic needs of that cell. Based on this information, which of the following types of cells possess a large quantity of mitochondria?