Answer:
d. into soil
Explanation:
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Carnivore that feeds on primary consumers
Question 3 Multiple Choice Worth 3 points
(01.01 LC)
Which of the following is an example of a decomposer?
Which is our body part help us to maintain balance.
Answer:
cerebellum
Explanation:
The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.
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Tai không chỉ có vai trò để lắng nghe mà còn hỗ trợ trong việc giữ cân bằng
Factor affecting crop production
Answer:
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Which two events are part of the rock cycle?
O A. Carbon cycles between plants and animals.
B. Plants take minerals from soil and grow.
C. Melted rock cools and solidifies.
D. Sediment is buried and compacted.
C: melted rock cools and solidifies
D: sediment is buried and compacted
Answer:
1) Sediment is buried and compacted
2) Melted rock cools and solidifies
Explanation:
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QỦA NÀO SAU ĐÂY LÀ QUẢ THỊT
CÀ CHUA
BỒ KÉT
QUẢ CHÒ
QUẢ CẢI
Answer:
cà chua
Explanation:
Uplift and formation of a mountain range divides a freshwater snail species into two isolated populations. Erosion eventually lowers the mountain range and brings the two populations together again, but when they mate, the resulting hybrids have sterile young. This is and example of which type of reproductive barrier
Answer:
Post reproductive isolation → Hybrid sterility
Explanation:
The biological concept of species states that individuals of a species can not mate and reproduce with individuals of another species. But if they get to reproduce, the progeny will not be viable or fertile. There will not be any reproductive success.
There are different reproductive isolation mechanisms, which are barriers that inhibit or interrupt the genetic flow between different species.
Reproductive barriers are isolation mechanisms that prevent mating between two or more species. The prezygotic mechanism avoids fertilization between individuals of different species, while the postzygotic mechanism impedes the zygote to develop and reach the adult stage.
Postzygotic mechanisms or barriers include
Hybrid inviability, Hybrid sterility, Hybrid reduced viability or fertility, Cytoplasmic interactions.In the exposed example, sympatric speciation occurs. It seems that the mountains separating the snails´ populations made a place for speciation and the development of postzygotic barriers, specifically hybrid sterility. After the erosion process, both populations got to meet again. Snails from one population get to mate and produce offspring with the snails of the other population, but their progeny is sterile.
which neuron takes the information from the eye to the brain
Answer:
Optic nerve
Explanation:
Optic nerve: The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the nerve layer that lines the back of the eye and senses light and creates impulses. These impulses are dispatched through the optic nerve to the brain, which interprets them as images.
The neuron that takes information from the eye to the brain is the Optic nerve
There are five (5) types of sensory information ( vision, touch, smell and taste, hearing ) passed to the brain by the different sensory organs and these information are passed via different neurons connected to the various sense organs.
The optic nerve also known as cranial nerve transmits the sensory information ( in form of electrical impulses ) associated with vision to the brain through its nerve fibers ( over 1 million of nerve fibers ) which is interpreted by the brain and passed to the body
Hence we can conclude that the neuron that takes information form the eye to the brain is the optic nerve .
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High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. By changing the amount of water in the blood, blood pressure can change. The excretory system can help to lower blood pressure.
Which would most likely occur in the kidney?
More water would be transferred from the nephron.
Less water would be absorbed into the nephron.
The amount of water in the bladder would decrease.
The amount of water in the blood would increase.
Answer:
c
Explanation:
The kidney plays an essential role in regulating blood pressure by adjusting the volume and concentration of water and solutes in the blood. Therefore, to lower blood pressure, Less water would be absorbed into the nephron. Hence option B is correct.
What is a nephron?The nephron is the functional unit of the kidney that is responsible for filtering waste and excess water from the blood. When there is an excess of water in the blood, the kidney can decrease the amount of water that is reabsorbed into the body.
This would result in more water being excreted from the body in the urine, reducing the volume of blood and lowering blood pressure.
To achieve this, the kidney reduces the secretion of antidiuretic hormone (ADH) or vasopressin, which controls water reabsorption in the kidneys.
This decrease in ADH secretion causes the nephrons to reduce the amount of water they reabsorb from the urine, leading to an increase in urine output and a decrease in blood volume.
Therefore option B Less water would be absorbed into the nephron is correct.
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Climate change as well as other human-driven environmental changes continue to cause loss of biodiversity in the
coming decades in addition to high rates of species extinctions. Biodiversity is a term that can be used to describe
biological diversity at a variety of different scales, but for now let's consider species diversity. Each rectangle represents a
plant community containing individuals of various species indicated by color and the total number of individuals
corresponds to the productivity of the ecosystem. Based on trends illustrated by the images, what conclusions apply?
Choose ALL that are appropriate.
-)))
A)
While species may fluctuate, biomass remains constant.
Scientific
Calc
B)
The green species increases in abundance during warm years,
C)
The productivity of the ecosystem decreases as the climate changes.
D)
Invasive species, represented by red, move in and displace native
species.
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Time
maining
3:17:40
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E)
Decrease in one species is compensated for by an increase in another
species.
24)
Answer:
e) decrease in one species is compensated for by an increase in another. is the answer.☺️A botanist observes within a wild population of sunflowers 34 tall plants, 12 medium-height plants, and 54 short plants. Sunflower height follows incomplete dominance, where tall (H) is dominant to short (h). We can calculate that the allele frequencies are:
Answer:
f(H) = 0.4f(h) = 0.6Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Our body needs both vitamin and mineral in a small quantity ,still they are important why?
Answer:
Vitamins and minerals are considered essential nutrients—because acting in concert, they perform hundreds of roles in the body. They help shore up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage.
If the average length of a woman's ovarian cycle is 30 days, the average length of her uterine cycles is most likely ____ days.
a. 7
b. 30
c. 21
d. 15
e. 10
The sun is located .................. of the solar system
There are 2 types of cells in nervous tissue, what are their roles?
which statement describes a process associated with meiosis
Answer:
homologous chromosomes pair up
Answer:
Haploid cells join to form an organism that has a complete set of chromosomes.
Explanation:
what is the purpose of a wetland?
Where would you expect to find a mountain range caused by the collision of two continental plates on the map below? (100 points)
Public Domain
A
B
C
D
The correct answer is A.
Explanation
The image shows a map with the tectonic plates of the earth and four points are marked with the letters from A to D. The letter A indicates the collision of the Eurasian Plate and the Indian plate. The letter B indicates the border zone between Russia and the United States, however, there is no plate collision. The letter C marks are on the coast of Antarctica, but there is no collision between two plates. The letter D indicates an area on the equator, but it is not located on any plate collision. Therefore, the correct answer is A that shows the collision of the Eurasian Plate and the Indian plate where the great mountain chain of the Himalayas is formed where Mount Everest is located, the highest in the world with its summit at 8,849 meters above sea level. This is because many of the great mountain ranges of the world originate from the collision of plates such as the Andes and the Himalayas.
what happen to Potato chips when put into salt water?
Answer: the potato chip becomes a substance that is soft and very floppy
The toxins responsible for botulism are proteins that inhibit the release of acetylcholine, which in turn can cause muscle paralysis. In extreme cases the paralysis can involve the respiratory muscles, and people can die of respiratory failure. This mechanisms of action indicates that the toxins are
Answer:
Poisonous substance.
Explanation:
This mechanisms of action indicates that the toxins are the poisonous substance which attacks on the respiratory system of the body that leads to the respiratory failure. Acetylcholine is the main neurotransmitter of the parasympathetic nervous system which is the part of the autonomic nervous system that contracts smooth muscles so inhibition of the release of Acetylcholine is the main cause of paralysis.
Explain the rate of drainage of the soils.
Answer:
water drain deep in the soil
Explanation:
when evaporation increase the temperature will also increase as well as the transportation will also increase
hi can u Help me in my hw, Define the following terms:1)Epicenter 2)Seismograph(don't answer if u don't know the answer plz)
Answer:
Epicenter is the point on Earth's surface directly above the focal point of the earth quake.
Actually it's above the hypocenter.
Seismograph: Is an instrument that records the seismic waves caused by action of earth quake effect.
What are the effects of Speciation & Extinction on biodiversity
Answer:
Specitation increases biodiversity, while extinctions decrease biodiversity.
Explanation:
Biodiversity is the variety of life on Earth or some specified geographic area of the planet; the diversity of life occurs at the genetic level, at the species level, at the ecosystem level, and in evolutionary lineages.
Answer:
The same factors that increase the risk of species extinctions also reduce the chance that new species are formed. We often see alarming reports about the global biodiversity crisis through the extinction of species. The reasons why species become extinct is much discussed, particularly the consequences of human activities. Less often discussed is how environmental changes affect the chances that new species are formed.
Transport proteins———-
Answer:
A transport protein is a type of protein that helps an organism move other materials around. Transport proteins are essential for all living organisms' development and survival. Transport proteins come in a variety of shapes and sizes.
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The project that you are working on was initiated in response to the growing threat of antibiotic resistance in both hospital and community settings. Even in the early discovery and development phase, it is important to think ahead to try to minimize the likelihood that bacteria will be able to evolve resistance to your new drug. Understanding how resistance emerges is an essential part of this process. What is true regarding the evolution of antibiotic resistance in bacteria?
Answer:
Decrease the effectiveness of this process.
Explanation:
Resistance emerges is an essential part of this process because this resistance causes decrease in the effectiveness of the drugs. If this resistance is not a part of this process, the microbes get resistance from the drugs which leads to lower the effectiveness of antimicrobial disease or infection so that's why resistance is considered as the essential part of this process of project.
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Imprinting can be cell-type specific; for example, this region of chromosome 15 is ONLY imprinted in neurons and a few other specific cell types, but it is not imprinted in most cells in the body, such as bone, liver, and heart cells. Which of the following statements are true about a healthy individual without Prader-Willi or Angelman syndrome? ( Choose two answers)
a. Maternal and paternal copies of SNRPN are expressed at the same level in heart cells.
b. The maternal and paternal copies of UBE3A are differentially expressed in bone cells.
c. The maternal copy of SNRPN has DNA methylation at its promoter in liver cells.
d. Expression of the paternal copy of UBE3A is silenced in neurons.
Answer:
The correct answer is - A and D.
Explanation:
Genetic imprinting is DNA modifications that result in changing the expression but not the sequence. Factors That affect such changes present both within and outside the cell.
It is a result of the silencing of either maternal or paternal alleles in a pair. This occurs random and leads to phenomenon like X-inactivation. The mechanism involves methylation of the DNA to be silenced. paternal copy of UBE3A is silenced in neurons.
What do birds produce
Name the two layers that make up the skin, and identify a function for each layer.
In _______, with the help of Rosalind Franklin, ____________ discovered the structure of DNA.
A. 1915, Watson and Crick
B. 1953, Watson and Chargaff
C. 1953, Watson and Crick
D. 1951, Chargaff
Answer:
The answer is C.) 1953, Watson and Crick. In 1953, with the help of Rosalind Franklin, Watson and Crick discovered the structure of DNA.
Explanation:
To be specific, James Watson and Francis Crick were the first people to make a 3-D model of DNA. Although it may not seem much today, as our technology has advanced so much ever since, it was big time in 1953. They discovered that DNA was shaped like a double-helix, or twisting ladder. Pretty intriguing if you ask me!
A man bought a goldfish in a pet shop. Upon returning home, he put the goldfish in a bowl of recently boiled water that had been cooled quickly. A few minutes later the fish was found dead. Explain what happened to the fish
Answer:
lack of oxygen in the water
Explanation:
The fish most likely died from lack of oxygen in the water. This is because fishes actually use their gills to extract and breathe in the oxygen from the water while also expelling carbon dioxide from their lungs. Similar to how humans breathe. When the water was boiled it caused the dissolved gases to be expelled, which includes oxygen. Therefore, without the necessary oxygen in the water, the fish ultimately suffocated.
Boiling the water reduce its amount of dissolved oxygen which is needed by the fish to breathe, that's why the fish died after few minutes.
What is dissolved oxygen?Dissolved oxygen is the amount of oxygen present in the water.
The organisms live to consume dissolved oxygen to breathe.
The amount of dissolved oxygen is high in the current water like rivers than in the still water like pond.
If the amount of DO is high in the water, it causes bubble gas disease in the aquatic organisms.
If the amount of DO is low in the water than, fishes and other aquatic organism cant survive due to low oxygen level.
Thus, boiling the water reduce its amount of dissolved oxygen which is needed by the fish to breathe, that's why the fish died after few minutes.
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