Answer: it is important that our bodies can respond to stimuli around us because without it, you wouldn’t be able to detect and respond to changes in their internal and external environment. Cells called receptors, which detect stimuli (changes in the environment). The stimuli is part of our control system, it is very vital.
Place in order the steps involved in transmitting sound waves traveling through the air to the hair cells in the inner ear that transduce the signal into neural information.
The steps involved in transmitting sound waves traveling through the air to the hair cells in the inner ear that transduce the signal into neural information are as follows:
The sound waves travel through the ear canal to reach the ear drums.
At the eardrum, the sound waves are vibrated and then sent to tiny bones malleus, incus, and stapes located in the middle ear.
These bones in the middle ear first increase the vibration of the sound waves and then send them to the cochlea. A partition is created in the cochlea known as the basilar membrane.
Hair cells are located above the basilar membrane. As it oscillates, stereocilia (hair-like projection) lying on top of the hair cell bend. These bending creates pre which lets the chemicals in and the waves are converted into electrical signals.
These signals are carries by auditory nerve to the brain where it is translated to what we hear.
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mass extinction definition
Answer:
The extinction of a large number of species within a relatively short period of geological time, thought to be due to factors such as a catastrophic global event or widespread environmental change that occurs too rapidly for most species to adapt.
Explanation:
Hope this is helpful.
what would happen if an organism lost its ability to perform cell division?
Answer:
Most probably it would die. Or would be harder for it to live.
Explanation:
On daily basis, as most of the cells die and new cells are formed by cell division. If an organism lost the ability to perform cell division it would die.
If an organism lost its ability to perform cell division, it accumulates several types of genetic disorders which can ultimately lead to a cancerous tumor.
What is Cell division?Cell division may be defined as a type of process through which a parent cell divides into two daughter cells. These daughter cells are either genetically identical or non-identical to parental cells. There are two types of cell division that occur in living organisms.
Mitosis.Meiosis.If an organism completely lost its ability to perform cell division, it means that there is a disruption in the normal cell cycle has bee occurred. It can ultimately lead to numerous diseases like cancer.
If cell division restricts, no new cells were formed, and no genetic transfer has occurred in organisms. This will ultimately lead to the extinction of organisms on a large scale.
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Question 3
1 pts
The original base sequence of a segment of DNA is: GCCATCGGA. Which sequence would be a result of a deletion mutation to this DNA?
a.GCCATCGA
b. GCCAACGGA
c.AGGCTACCG
d. GCCATCCGGA
Answer:
A
Explanation:
In the sequence of answer A, the letter in [CGGA] has been removed in the mutated sequence [-CGA].
Apakah hubungan antara keamatan cahaya dengan kadar transpirasi?
Answer:
Kadar transpirasi meningkat apabila keamatan cahaya meningkat .
HALP PLEASEEEE
AAAAAAAHHHHHY
6. Earth receives energy from the sun through what method of heat transfer?
o conduction
convection
radiation
Answer:
radiation
Explanation:
The shiny, hard scales on a reptile are made of ________________.
a. bone
b. shells
c. skin
d. protein
The shiny, hard scales on a reptile are made of skin.option c.
The skin of reptiles is much thicker and tougher than the skin of other animals. Reptile scales provide an additional layer of protection that is not found in most other animals. Their scales are made of keratin, a protein that also makes up human hair and nails.Keratin is a fibrous protein that is strong and tough, yet flexible. It is what gives reptile scales their hardness and durability. The keratin in the scales of reptiles is arranged in a pattern that allows the scales to overlap each other, providing a more effective barrier against the environment than if they were just flat.
This overlapping pattern also allows reptiles to move their limbs more easily and freely without the scales rubbing against each other and causing friction. The scales also provide an insulating layer that helps reptiles regulate their body temperature. Reptiles shed their skin regularly as they grow. This process is called molting, and it allows them to replace their old, worn-out scales with new, healthy ones. During molting, the old skin peels away from the body, revealing the new scales underneath. This process can take anywhere from a few days to several weeks, depending on the species of reptile and its age.option c.
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Only ______planets have rings.
Answer:
giant
Explanation:
Answer:
4. Jupiter,Saturn,Uranus, and Neptune
Photosynthesis is dependent on-
A :the nitrogen cycle
B: ammonia
C: the seasonal cycle
D: the carbon cycle
Answer:
The correct answer is - carbon cycle.
Explanation:
During the photosynthesis process, all plants consumed carbon dioxide from the atmosphere and sunlight to generate or produce glucose a biological fuel required for building structural components and produce energy. It forms the foundation of the carbon cycle.
Consumption of carbon dioxide is part of the carbon cycle. These biological fuels used in another process called cellular respiration that releases carbon dioxide into the atmosphere. Thus, the carbon cycle and photosynthesis both are interdependent.
the galapagos mockingbird species mimus trifasciatus had an initial mean wing span of 7 cm. after a harsh winter, during which many birds died from starvation, the remaining mockingbirds had a mean wing span of 10 cm. if the wing span of their offspring is 8 cm, what are the values of the selection differential (s), heritability (h2), and difference in means (δz)? group of answer choices
To calculate the values of the selection differential (s), heritability (h^2), and difference in means (δz), we can use the following formulas: 1. Selection differential (s) = mean of selected individuals - mean of the entire population In this case, the mean wing span of the remaining mockingbirds after the harsh winter is 10 cm, and the initial mean wing span of the population was 7 cm.
Therefore, s = 10 cm - 7 cm = 3 cm 2. Heritability (h^2) = (δz) / s To calculate h^2, we need to find the difference in means (δz) first.
The difference in means can be calculated species as the mean wing span of the offspring (8 cm) minus the mean wing span of the entire population (7 cm). δz = 8 cm - 7 cm = 1 cm Now, we can calculate h^2 using the formula: h^2 = (δz) / s = 1 cm / 3 cm = 0.33 Therefore, the values of the selection differential (s), heritability (h^2), and difference in means (δz) are: - Selection differential (s) = 3 cm - Heritability (h^2) = 0.33 - Difference in means (δz) = 1 cm
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Independent Assortment
During meiosis, the chromosomes travel randomly to distinct poles, a process known as independent assortment.
Independent assortment proposes that genes are inherited independently of one another. In other words, the genetic elements governing crest and sex are physically distinct. Because the genetic elements are physically separated, they segregate separately during the generation of gametes (eggs and sperm).
The chromosomes migrate randomly to various poles during meiosis, a process called as independent assortment.
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The given question is incomplete, so the most probable complete question is,
What is Independent Assortment?
which statement describes a consequence of the process of natural selection? please choose the correct answer from the following choices, and then select the submit answer button.
The statement that describes a consequence of the process of natural selection is: The end result of natural selection is that genetic frequencies tend not to change dramatically in future populations of a species, the correct option is A.
Natural selection is the mechanism by which certain traits become more or less common in a population over time based on their impact on survival and reproduction. Through this process, individuals with advantageous traits are more likely to survive and pass on their genes to the next generation.
As a result, the frequency of those advantageous genes tends to increase over time, while the frequency of less advantageous or detrimental genes decreases, the correct option is A.
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The complete question is:
Which statement describes a consequence of the process of natural selection?
A. The end result of natural selection is that genetic frequencies tend not to change dramatically in future populations of a species.
B. Natural selection leads to the complete extinction of species over time.
C. Natural selection causes individuals within a species to become identical in their genetic makeup.
D. Natural selection results in the immediate adaptation of a species to its environment.
Many small freshwater organisms have a structure called a contractile vacuole, which pumps water out their body. Explain how this process is an example of active transport.
Answer:
1: The process of osmosis would cause water to move into the cells causing them to swell and possibly burst. Many freshwater one celled organisms have structures called contractile vacuoles. These structures collect and pump out excess water that accumulates in the cell.
2: During active transport, a protein pump uses energy, in the form of ATP, to move molecules from an area of low concentration to an area of high concentration. An example of active transport is the sodium-potassium pump, which moves sodium ions to the outside of the cell and potassium ions to the inside of the cell.
Explanation:
Does the formation of sperm is more in low temperature???
Answer:
Sperm production is a process that's sensitive to heat. Ideally, sperm production occurs around 93.2ºF, which is about 5ºF below normal body temperature. This is why the testes hang below the body to keep the temperature a bit lower.
Explanation:
How does chromatography explain the fact that leaves change color in the fall?
Chromatography explains that leaves change color in the fall due to the breakdown of chlorophyll and the appearance of other pigments.
Leaves change color in the fall because of a process called chromatography. Chromatography is the separation of compounds based on their different properties, such as size, solubility, and polarity. In the case of leaves, the process of chromatography helps to explain the phenomenon of changing colors during autumn.
During the summer, leaves are vibrant green due to the high concentration of chlorophyll, the pigment responsible for capturing sunlight for photosynthesis. However, as the days shorten and temperatures drop in the fall, trees prepare for winter by breaking down chlorophyll molecules.
This breakdown reveals other pigments that were present in the leaves all along but masked by the dominant green chlorophyll. These pigments include carotenoids, responsible for orange and yellow colors, and anthocyanins, responsible for red and purple hues.
Carotenoids are often present in leaves throughout the year but are masked by the overwhelming green of chlorophyll. When chlorophyll breaks down, carotenoids become visible, resulting in the vibrant yellows and oranges associated with autumn foliage. Anthocyanins, on the other hand, are produced in response to environmental factors like light intensity and temperature. As chlorophyll breaks down, some trees produce anthocyanins, leading to the appearance of red and purple colors.
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in which two ways do plant cells use the sugar made in photosynthesis?
A. to store inorganic matter
B. to produce phosphate group
C. to supply the plant with energy for life
D. to make other types of organic molecules
Answer:
C, and D
Explanation:
Hope it helps!
The two ways in which plant cells use the sugar made in photosynthesis are C. to supply the plant with energy for life and D. to make other types of organic molecules.
C. to supply the plant with energy for life: The sugar produced during photosynthesis, typically in the form of glucose, serves as a primary source of energy for plant cells. Through cellular respiration, the sugar is broken down in the mitochondria, releasing energy in the form of ATP (adenosine triphosphate). ATP is the energy currency of cells and is used for various metabolic processes necessary for plant life, such as growth, reproduction, transport of molecules, and maintaining cellular functions.
D. to make other types of organic molecules: Plant cells utilize the sugar produced in photosynthesis as a building block for the synthesis of other organic molecules. Glucose serves as a precursor for the biosynthesis of complex carbohydrates, such as starch and cellulose, which are important for energy storage and structural support in plants. Additionally, the sugar is used to synthesize lipids, proteins, nucleic acids, and other biomolecules that are essential for various cellular processes, including growth, development, signaling, and defense mechanisms.
By using the sugar produced in photosynthesis to supply energy and as a source of carbon and energy for synthesizing other organic molecules, plant cells ensure their own survival, growth, and overall metabolic functions. This efficient utilization of sugars allows plants to carry out necessary processes and adapt to changing environmental conditions.
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If a male has a disease that is Y-linked, what percentage of his daughters will inherit the disease?
What percentage will be carriers?
A condition is considered Y-linked if the altered gene that causes the disorder is located on the Y chromosome, one of the two s** chromosomes in each of a male's cells. Because only males have a Y chromosome, in Y-linked inheritance, a variant can only be passed from father to son.
Help me now please!!!
Answer:
its b
Explanation:
Answer:
b should be the correct answer
not all the data in a dns cache has an expiration value.true or false?
The statement is True, not all the data in a DNS cache has an expiration value. DNS (Domain Name System) cache is a temporary database maintained by a DNS resolver on a user's computer. It stores DNS query results for a specific period to speed up future requests for the same domain name.
DNS servers contain a list of domain names that they have recently resolved, allowing them to respond quickly to new requests for the same domain name.Certain types of DNS records, such as A records, typically have an expiration value known as a TTL (Time-to-Live). This value determines the length of time a DNS resolver is allowed to cache the results of a DNS query.
However, not all types of DNS records have an expiration value, such as NS records, which specify the authoritative DNS servers for a domain name. These records are not subject to expiration, and the DNS resolver must make a new query to retrieve the updated information. Therefore, while TTLs are commonly used to control caching behavior, not all data in a DNS cache has an expiration value.
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Hydrogen exists in three isotopes, H1, H2, and H3. The average atomic mass of hydrogen is 1. 008 amu, which of these isotopes is most abundant? How do you know?
The average atomic mass of hydrogen (H) is 1.008 amu. Hydrogen is made up of isotopes 1H, 2H, and 3H. 1H is most abundant. All isotopes are equally abundant.
What are isotopes?
Isotopes are defined as a variation of an element that possesses the same atomic number but different atomic mass.
It can be defined as the one of two or more forms of a chemical element with distinct physical properties but identical chemical properties.
It can also be defined as atoms with same number of protons and electrons but different number of neutrons.
According to stability of hydrogen 3H is more stable than 2H and then with 1H.
Thus, the average atomic mass of hydrogen (H) is 1.008 amu. Hydrogen is made up of isotopes 1H, 2H, and 3H. 1H is most abundant. Thus option C is correct.
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Help!!!!
Using the model of the Earth and Sun below, complete the table for Location C and Location D.
What is the current season of location C (winter, summer, spring, fall)? Is Location C in day or night?
What is the Current season of Location D? (It’s night)
Answer:
Hey Buddy!
Explanation:
This is ur answer...
-> The current season of location C is Summer.-> Location C has day in the given picture.-> Whereas, Location D has winter and it is night time.Hope it helps!
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Have a good day! :)
Which of the following would decrease the rate of photosynthesis?
6C02 + 6H2O +(sunlight) - 602 +CsHi20
Answer:
C
Explanation:
took the quiz
1. what is the relationship between intensity and oxygen consumption? is it linear, curvilinear, u- shaped, no relationship? explain the graph and its importance (2 pts).
The relationship between intensity and oxygen consumption is curvilinear.
As exercise intensity increases, oxygen consumption initially increases in a linear fashion.
However, as the intensity continues to increase, the rate of oxygen consumption eventually plateaus and may even decrease if the intensity becomes too high.
The graph of this relationship would show an initial steep increase in oxygen consumption as exercise intensity increases, followed by a leveling off and possible decrease in oxygen consumption at very high intensities.
This graph is important because it helps to determine the optimal exercise intensity for achieving specific fitness goals, such as improving cardiovascular endurance or burning calories.
By understanding this relationship, individuals can tailor their exercise routines to meet their specific needs and goals.
For example, someone looking to improve their cardiovascular endurance might focus on exercising at an intensity that falls in the linear portion of the curve, while someone looking to burn calories might focus on exercising at an intensity that falls in the steeper portion of the curve.
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which of the following is not a characteristic of the source of rivers and streams? a. high oxygen levels b. freshwater fish c. cooler temperatures d.
The option that is not a characteristic of the source of rivers and streams is D)Murky Water
Let us discuss more about the characteristics of the source of rivers and streams.
What is the source of a river?
A River is any natural stream of water that flows in a channel with defined banks. Modern usage includes rivers that are multi-channeled, intermittent, or ephemeral in flow and channels that are practically bankless.
The source of the river is the point from where a river starts flowing. It is usually a high point on the land from where water flows downward and begins its journey to join another water body or the sea.
The characteristics of the source of rivers and streams are as follows:
1. Cooler temperatures - Rivers and streams originate in the mountains where temperatures are low and cold. So, the water is usually very cold.
2. High oxygen levels - Because the water comes from a higher altitude, it contains more dissolved oxygen.
3. Freshwater fish - Rivers and streams are the natural habitats of freshwater fish such as trout, bass, and salmon.
4. High speed - As rivers and streams move down the mountains, the speed of the water increases because of gravity.
5. Small width - The width of the river or stream is small as it has just begun its journey from the source.
Thus, From the following options A) high oxygen levels B) freshwater fish C) cooler temperatures and D) Murky waters , Option D) Murky Waters is NOT a characteristic of the source of rivers and streams.
therefore, the correct option is D)Murky waters.
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Two ecosystems, A and B, are sampled. Both ecosystem A and ecosystem Bhave 5 different species, with a total of 50 organisms tallied. In ecosystem A. species #1 has 46 individuals, and the remaining four species have 1 each. In ecosystem B, there are 10 individuals of each of the 5 species. Which statement best summarizes these results? Multiple Choice Biodiversity for both A and B are equal, and B has greater species richness о Both A and B are equal in biodiversity, but in the populations are more evenly dispersed. The species richness of both A and B are equal, and B has greater biodiversity Both A and B are equal in both species richness and biodiversity
Both A and B are equal in both species richness and biodiversity.
1. The total number of organisms in both ecosystems A and B is 50.
2. In ecosystem A, species #1 has 46 individuals, and the remaining four species each have 1 individual. Therefore, ecosystem A has a higher dominance of species #1 compared to the other species.
3. In ecosystem B, there are 10 individuals of each of the 5 species. This indicates that the distribution of individuals is more even among the different species in ecosystem B.
4. Species richness refers to the number of different species present in an ecosystem. Both ecosystems A and B have 5 different species, so their species richness is equal.
5. Biodiversity, on the other hand, takes into account both species richness and the evenness of their distribution. In ecosystem A, the dominance of species #1 reduces the overall biodiversity compared to ecosystem B, where the individuals are more evenly dispersed among the species.
6. Therefore, the statement "Both A and B are equal in both species richness and biodiversity" best summarizes the results, as it acknowledges that both ecosystems have the same number of species but differ in the evenness of their populations.
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Where does the egg receive its energy from?
options:
a. The ovum contains a large quantity of cytoplasm, which contains nutrients for the first days of development after fertilization. The cytoplasm of the ovum contains over 140 000 mitochondria to produce ATP required for growth.
b. The uterus contains over 140 000 mitochondria to produce ATP and supplies this to the egg for growth.
c. Similar to sperm it receives its energy from fructose through its path to the uterus.
d. The ovum contains a large quantity of fimbria, which contains nutrients for the first days of development after fertilization.
Answer:
Until attachment to the uterus, the developing organism is on its own. That means it needs to supply its own energy, so the cytoplasm of the human egg cell contains many energy-generating factories called mitochondria. Those mitochondria come only from the mother.
a. The ovum contains a large quantity of cytoplasm, which contains nutrients for the first days of development after fertilization. The cytoplasm of the ovum contains over 140 000 mitochondria to produce ATP required for growth.
Explanation:
Identify these elements of photosynthesis.
Answer:
wait you already answered the question in the picture?
Explanation:
write any three differences between metals and non-metals?
Answer:
Differences between metals and non-metals
Explanation:
Metals are elements that have luster.
Non-metals are elements that do not have luster. They are dull.
There are one to three electrons in the outer shell of the metals.
There are four to eight electrons in the outer shell of the non-metals.
Metals are a good conductor of heat and electricity.
Non-metals are the bad conductors of heat and electricity.
Metals are malleable, ductile, and sonorous.
Non-metals are brittle, non-ductile, and non-sonorous.
What are disadvantages of the model of human homeostasis used in the gizmo.
Answer:
Homeostasis of a human body refers to the ability of the body to maintain the stable internal conditions of the changing environment. It help an organism to survive.
The Human Homeostasis Gizmo helps a person to explore and see the human body adapts itself at a nearly constant temperatures in various conditions.
The advantages of the model of the human homeostasis used in the gizmo is that it can explore and predict how the human body maintains its normal condition as to approximation. One of the disadvantage is that it cannot predict the actual conditions for the survival of the organisms that it needs to maintain its body temperature or conditions.