Why do you think the polyps only feed on plankton at night?.
Answers
Polyps are a sessile form of cnidarians that can be found on rocks, shells, and other hard surfaces on the sea floor. They are commonly found in shallow waters and are known for their radial symmetry and tentacles. Polyps are known for their ability to feed on plankton at night.
This is because they have evolved a specialized feeding behavior that allows them to capture planktonic organisms when they are most abundant.The reason why polyps only feed on plankton at night is because they are most active during this time. During the day, they retract their tentacles and become inactive. This is because they are not able to effectively capture planktonic organisms during the day. Polyps are able to feed on plankton at night because they have evolved specialized tentacles that can capture small organisms.
These tentacles are covered in specialized cells called cnidocytes that contain tiny harpoons called nematocysts. When a small organism touches the tentacle, the nematocysts are triggered, causing the harpoon to shoot out and capture the organism. Once the organism is captured, the polyp brings it into its mouth using its tentacles.Overall, the feeding behavior of polyps is an example of how organisms have evolved specialized traits that allow them to exploit available resources in their environment. Polyps have evolved specialized tentacles that allow them to capture planktonic organisms at night when they are most abundant.
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Related Questions
microdomains in eukaryotic plasma membranes can participate in
Answers
Microdomains in Eukaryotic plasma membranes can participate in cell movement, cell division and signal transduction.
Eukaryotic cells' plasma membrane takes part in signal transduction and a variety of other cellular processes to keep cells in a healthy state. Membrane microdomains, also known as lipid rafts or membrane rafts, have received a lot of interest recently for their potential role as plasma membrane signalling platforms.
The actin cytoskeleton and anchoring transmembrane proteins force a secondary macro-organization within which plasma membrane microdomains are found. Although several different forms of microdomains have been identified, it is still unclear how big they are or how they are organised or distributed.
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The complete question is:
Microdomains in eukaryotic plasma membranes can participate in _____.
1
Select the correct answer.
If you double the voltage in a circuit and reduce the resistance by a factor of four, what will happen to the current?
O A.
B.
C.
OD.
It will double.
It will decrease by a factor of 2.
It will increase by a factor of 8.
It will decrease by a factor of 8.
Reset
Next
Answers
We can use Ohm's law to solve this problem. Ohm's law states that the current in a circuit is equal to the voltage divided by the resistance:
I = V/R
If we double the voltage and reduce the resistance by a factor of four, we get:
V' = 2V
R' = R/4
Substituting these values into Ohm's law, we get:
I' = (2V)/(R/4)
Simplifying this equation, we get:
I' = 8I
So the current will increase by a factor of 8.
Help Asap Please
In general, as the radius of a star increases its ___________ increases.
density
luminosity
spectrum
color
Answers
Answer:
Density
Explanation:
As the star gets bigger it's core uses more and more complex elements to heat it's core and keep it going. When that happens, the elements are normally heavier than the original fuel source, so the density of the star would increase.
I hope this helps :)
Which of these factors are required for biological evolution to occur? Select all that apply.A) genetic variation in the populationB) natural selectionC) variation in acquired traits among individuals in the populationD) a large populationE) many generations
Answers
A)Natural selection is indeed a significant force in biological evolution, although it is only one of many potential causes.
Particularly in smaller populations, certain genes or characteristics evolve through random processes like genetic drift. Recall that the alteration with in allele frequencies of the a population across generations is what is meant by biological evolution.
Variation, inheritance, and disparate reproductive success are three straightforward criteria that lead to evolution via natural selection. Natural selection doesn't really affect genotypes directly: It functions by taking advantage of phenotypic variations among population members. Evolution is governed by four principles: variation, inheritance, selection, and time. These are regarded as the elements of natural selection's evolutionary mechanism. Natural selection, genetic drift, gene flow, and mutation are the four driving forces behind evolution.
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WILL GET BRAINLIEST In Mendel's experiments, what proportion of F 2 plants were tall?
1.all of them
2.one-half
3.one-fourth
4.three-fourths
Answers
Rapid mitotic cell division without growth, as seen in the first few divisions following the formation of a zygote, is called?
Answers
Rapid mitotic cell division without growth, as seen in the first few divisions following the formation of a zygote, is called cleavage.
How is a zygote formed?A zygote is the fertilized egg cell produced when a female gamete (egg, or ovum) and a male gamete combine (sperm). The zygote is the embryonic stage at which a genetically distinct organism emerges. All organisms, with the exception of bacteria, reproduce sexually, and a common feature of this process is the joining of haploid gametes to create a diploid zygote. All of the components required for development are present in the zygote, but they only exist as an encoded set of instructions that are localized in the chromosome genes. The new zygote's genes do not actually begin to create proteins until several cell divisions after cleavage.
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recall what you have learned in this portfolio to write an analysis of the texts ""genetically modified salmon can feed the world"" by yonathan zohar and ""say no to genetically engineered salmon"" by rick moonen. use the prompts to guide your respons
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The analysis of "Genetically Modified Salmon Can Feed the World" by Yonathan Zohar and "Say No to Genetically Engineered Salmon" by Rick Moonen reveals contrasting viewpoints on the topic of genetically modified salmon.
Zohar argues in favor of genetically modified salmon, emphasizing their potential to address global food security challenges, while Moonen opposes their use, raising concerns about environmental and health risks associated with genetically engineered salmon. In "Genetically Modified Salmon Can Feed the World," Yonathan Zohar presents a pro-genetically modified salmon perspective, highlighting the potential benefits of this technology in addressing the increasing demand for seafood.
Zohar also addresses concerns regarding the safety and environmental impact of genetically modified salmon, arguing that stringent regulations and comprehensive risk assessments can ensure their safe production and consumption.Contrarily, in "Say No to Genetically Engineered Salmon," Rick Moonen expresses a critical view of genetically modified salmon and urges caution in their adoption.
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a man with hemophilia, which is a sex-linked recessive disease, lives a full life through modern medicine. he eventually marries and wants to have children, but his wife is worried that their children will have the disease. what phenotypes are their children likely to have? assume the wife is not a carrier and does not have disease.
Answers
All of his offspring will be free of the disease, assuming his wife is not a carrier.
The phenotype of an organism is a collection of its observable traits or characteristics. The term describes the physical form and structure of an organism as well as its physiological and biochemical traits, behavior, and results of that behavior. The blood clots incorrectly as a result of hemophilia, a genetic bleeding disorder. Both spontaneous bleeding and bleeding after an injury or surgery may result from this. Numerous clotting proteins found in blood can help to stop bleeding. Blood clotting is impaired by a rare disorder called hemophilia. It happens as a result of the body not producing enough of a protein called a clotting factor. Clotting aids in stopping the bleeding after an injury or accident. In the absence of coagulation, bleeding may be excessively simple or prolonged. There is currently no known cure for hemophilia, despite the fact that treatment for those with the condition has significantly improved over the past few decades.
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18. A breakdown in the cell cycle can lead to uncontrolled cell division called
Answers
Answer:
The answer is Cancer.
Explanation:
Hope this helped Mark BRAINLEST!!!!
Deforestation leads to environmental imbalance. Give reason.
Answers
Answer: Well, deforestation is cutting down trees, and many arboreal animals live in those trees. So if they have no proper shelter, they would have no place for personal activities such as breeding, feeding etc. And without those important activities that they have to do everyday, the population of arboreal animals will keep on decreasing until they go extinct. Though that's not the only problem. The herbivores won't get anything to eat, hence not letting the omnivores or carnivores get their food. As you can see, deforestation can create a huge environmental imbalance.
which of the following structures are homologous? group of answer choices a. a maple leaf and a fern frond b. a maple leaf and an oak leaf c. a maple leaf and a maple root
Answers
Option a. A maple leaf and a fern frond.
The structures that are homologous are a maple leaf and a fern frond. They share common ancestry and possess similar features, indicating an evolutionary relationship
Homologous structures are those that share a common evolutionary origin but may have different functions in different organisms. In order to determine homology, we need to consider the evolutionary relationships and shared ancestry of the structures in question.
a. A maple leaf and a fern frond: Both the maple leaf and the fern frond are photosynthetic organs of different plant groups. They share similarities in terms of their overall shape, venation patterns, and the presence of lamina (leaf blade) structures. These similarities indicate that they have evolved from a common ancestor, making them homologous structures.
b. A maple leaf and an oak leaf: Maple leaves and oak leaves belong to different plant species and have distinct characteristics. While they may share some general leaf features (such as being flat and thin), the specific shape, lobing, and vein patterns differ significantly between the two. Therefore, they are not homologous structures.
c. A maple leaf and a maple root: A maple leaf and a maple root are completely different plant structures, serving distinct functions within the same plant. Leaves are involved in photosynthesis and gas exchange, while roots primarily function in nutrient and water absorption. These structures are not homologous as they have different evolutionary origins and perform different functions.
Among the given options, the structures that are homologous are a maple leaf and a fern frond. They share common ancestry and possess similar features, indicating an evolutionary relationship. On the other hand, a maple leaf and an oak leaf, as well as a maple leaf and a maple root, are not homologous structures due to their distinct characteristics and functions.
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I passed all my exams because of brainly!
Answers
Answer: sheesh
Explanation:
What goes after blood sugar regulation
Answers
Answer:
The pancreas releases glucagon when glucose levels fall too low. Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High BG levels stimulate the release of insulin. Insulin allows glucose to be taken up and used by insulin-dependent tissues, such as muscle cells.
Explanation:
A model shows that the moon has grown to twice its size, yet it has remained in the same place. In one to two sentences, explain how this would impact the gravity between Earth and the moon. (2 points) this is the science solar system unit test for connexus. I need all the answers sorry if im asking for too much, but if I dont get the answers I will fail science!
Answers
If the size of the moon is doubled, the force of gravity between the moon and the sun would double.
What is the force of gravity?It is a common observation that if you throw something up, that thing must always fall to the ground. This is because, there is a force that acts on the object and tends to draw the object towards the center of the earth. Thus we define the force of gravity as the force that tends to draw an object towards the center of the earth. Thus the direction of the force of gravity has always been shown in all cases to be towards the center of the earth.
We know that the force of gravity depends on the products of the masses and then on the inverse of the square of the distance that separates the tow bodies in the universe.
Having explained this, it is then clear that if the moon has grown to two time of its size, the force of gravity between the moon and the sun would double.
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Answer:
bc like the sun, the moon has a good amount of gravity and if you double then you increase the amount of gravity it has.
Explanation:
(MATLAB)
(A)Over three years, it was found that 90% of the standard dogwood species in an industrial area had died. A new species resistant to pollution is currently under study. As a result of observing the reaction of the first experiment, 28 out of 45 seedlings of the new species died in 3 years in the same area. Estimate the 3-year mortality rate (p) of the new species and obtain a 90% confidence interval. In the answer input box, enter the smaller value of the confidence interval.
(B)In Exercise (A), what should be at least the number of new trees that will be grown and observed over three years to have an estimate error of 0.08 with 95% confidence? (For p, use the results obtained from the first study.)
Answers
The objective of exercise (A) is to estimate the 3-year mortality rate of the new species and obtain a 90% confidence interval. In exercise (B), the objective is to determine the minimum number of new trees needed to achieve a specific estimate error with 95% confidence.
What is the objective of exercise (A) and exercise (B) related to estimating the mortality rate of a new species of dogwood in an industrial area?
In exercise (A), the task is to estimate the 3-year mortality rate (p) of a new species of dogwood in an industrial area, based on the observation of 28 out of 45 seedlings dying in the same area.
To obtain a 90% confidence interval for the mortality rate, statistical methods can be applied. The smaller value of the confidence interval will provide a lower bound for the estimated mortality rate.
In exercise (B), the objective is to determine the minimum number of new trees that need to be grown and observed over three years to achieve an estimate error of 0.08 with 95% confidence.
This calculation takes into account the mortality rate (p) obtained from the first study. By ensuring an adequate sample size, the desired level of precision can be achieved in estimating the mortality rate for the new species.
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wirte 2 slogans on 'need to conserve nature?
Answers
Answer:
Tree planting is the safest solution to pollution. Save the earth, save our environment. Don't be cruel, conserve your fuel.
Answer:
Explanation:
1. Save plants, save nature
2. Don't let mother nature become a "once upon time"
GIVING BRAINLEST :))
A yeast cell that forms a bud is called the "mother cell." Why is there no mother cell after a paramecium divides?
Answers
There is no mother cell after a paramecium divides because it is divided by binary fission and the paramecium is divided into two identical cells, called daughter cells, there is no mother cell left.
What is paramecium?Paramecium is a protist. It is oval-shaped with cilia all over the body, and it is minute and can be seen only under a microscope. It engulfs its food through the body cavity, which is its mouth.
Binary fission means when the cell is divided into two daughter cells. The division is asexual reproduction. The cell divided DNA into two copies and then each cell gets the DNA.
Thus, there is no mother cell after a paramecium divides since binary fission is used and the paramecium is split into two identical cells, known as daughter cells.
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With the use of ______________, breeders are able to prevent injuries to animals as well as control the prodigy.
Answers
With the use of embryo transfer and artificial insemination, breeders are able to prevent injuries to animals as well as control the prodigy.
What is embryo transfer?Embryo Transfer can be defined as a specific technique where cryogenic embryo are used to fertilize animals, whereas artificial insemination refers to the use of cryogenic sperm to fertilize a particular animal.
In conclusion, with the use of embryo transfer and artificial insemination, breeders are able to prevent injuries to animals as well as control the prodigy.
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What types of things do scientist look at other plants to sustain living.
Answers
Answer:
Hello!
Explanation:
They investigate the possibility of life on other planets and find out different biospheres are different from Earth and can sustain life. Biophysicists These scientists study the interactions between the various systems of a cell, DNA, RNA, and protein biosynthesis, and their interactions using physical science to study biological systems.
hope this helps!!
Why are senses necessary for behavior?
Answers
Answer: Senses are necessary for behavior because behavior is a response to an organism's environment. Without senses, the organism would be unable to sense anything in the environment to react to. Senses tell an organism what to avoid and what to interact with; they guide the organism's decisions. Even organisms with very simple senses have some way to detect changes in the environment that need to be reacted to.
Sainte-chapelle, with its walls of stained glass and delicate ornamentation, is most representative of which style?
Answers
Sainte-chapelle, with its walls of stained glass and delicate ornamentation, is most representative of the French Gothic architectural style.
What is French Gothic architecture?This is characterized by the type of designs which provide a sense of verticality to enhance the connection with God which is therefore the reason why it was used in places of worship such as church etc.
It also consists of open and illuminated interiors with plenty of windows and stained glass and were used in structures such as royal chapel within the complex of the Palais de la Cite, in Paris, Notre-Dame Cathedral etc
It was also used in Sainte-chapelle with its walls of stained glass and delicate ornamentation which is therefore the reason why French Gothic architecture was chosen as the correct choice.
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Considering that nearly 85 percent of corn crops are genetically engineered, which impact does genetically engineered corn have on human health? Only positives can come from this type of technology, as seen in the DDT study. Human health will not be affected because scientists have studied this technology for over 50 years. The genetically engineered corn has been proven to cause cancer in some human populations. The long-term effects are unknown and have not been studied because it is a fairly new technology.
Answers
Genetically Engineered Crops or GM crops are the plants whose DNA has been altered using genetic methods to enhance nutritional value and make them resistant to the diseases.
The correct answer is:
Option D. The long-term effects are unknown and have not been studied because it is a fairly new technology.
The effects of genetically engineered crops are:
Genetically engineered crops have altered the genetic sequence in which plants with desired traits are grown and reproduced. GM crops are developed to enhance the nutritional value, introduce desired traits, and make them disease resistant. The yield of crops can be expanded and can be done rapidly to meet the requirements. The long-term effects of GM crops are still unknown as the technology is recently developed and extensive research and experiments are going on to test the effects and outcomes of genetically engineered plants and animals.
Thus, the correct answer is Option D.
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Answer:
D
Explanation:
someone please help me
Answers
Which of these equation is the correct one for fermentation?
❍ Glucose + oxygen → carbon dioxide + water
❍ Glucose → lactic acid
❍ Glucose → ethanol + carbon dioxide
☣ Explanation -:To understand this first we should know what is fermentation.
What is fermentation?
A process of chemical change in food or drink because of the action of yeast which may cause it to produce bubbles or heat, or turn sugars in it into alcohol.
Equation -:
\( \small\sf{C_{6}H_{12}O_{6} \rightarrow2C_{2}H_{5}OH + 2CO_{2}} \)
Which means
Glucose → ethanol + carbon dioxide
Hence opition c is the correct answer.the single colony found within the clear ring in plate i is most likely made up of the descendants of a bacterial cell that
Answers
The single colony found within the clear ring in plate I is most likely made up of the descendants of a bacterial cell that underwent binary fission, resulting in a genetically identical population.
The single colony found within the clear ring in plate i is most likely made up of the descendants of a bacterial cell that was able to metabolize and utilize the nutrients in the agar surrounding it, allowing it to grow and divide into a visible colony. The clear ring surrounding the colony may indicate that the bacteria were able to break down and utilize the nutrients in that area, creating a zone of inhibition around the colony. The descendants of this cell would have inherited the ability to metabolize the same nutrients and grow under similar conditions, leading to the formation of a single colony within the clear ring.
Based on your question, the single colony found within the clear ring in plate I is most likely made up of the descendants of a bacterial cell that underwent binary fission, resulting in a genetically identical population. This process allows the bacterial colony to expand and create the clear ring, which could be a zone of inhibition, demonstrating the bacteria's susceptibility to an antimicrobial agent.
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you palpitate around the neck region and find some small masses of tissues that seemed to be inflamed. you have strep throat, and this is a common response of this type of infection where lymph nodes become enlarged. what is it called?
Answers
The common response of this type of infection where lymph nodes become enlarged Lymphadenopathy.
Which conditions get confused for Lyme disease?Multiple sclerosis (MS), fibromyalgia, chronic fatigue syndrome, autoimmune diseases like lupus and rheumatoid arthritis, polymyalgia rheumatica, thyroid disease, and psychiatric disorders are only a few of the misdiagnoses made in patients with Lyme disease.
What signs and symptoms point to Lyme disease?The flu-like Lyme disease symptoms typically appear days or weeks after the bite. Your entire body may be itching, and you may also experience chills, a fever, and lightheadedness. You may also get headaches, muscle discomfort, and stiff neck. Most likely, you'll get a bull's-eye rash on your body.
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Hi! Not the best w Biology/science, so not sure how to understand this or what the answer is.
In a food chain, energy is passed from one organism to another.
Wheat → Mouse → Snake → Owl
Which organism in this food chain has the most available energy?
Select one:
snake
owl
mouse
wheat
Answers
Answer:
wheat
Explanation:
because it is producer
answer for both of them?
Answers
Answer:
higher level thinking
the temporal lobe processes hearing
Explanation: Hope this helps :)
Which rainforest layer recelves the most sunlight? !
Answers
Answer:
The answer is the Emergent Layer
hope that helps
In general, _____ molecules move across the plasma membrane readily, while _____ molecules need special transport systems to move them across the membrane.
Answers
In general, small, nonpolar molecules move across the plasma membrane readily, while large, polar molecules need special transport systems to move them across the membrane.
What are molecules?A molecule is a congregation of two or more atoms intricately joined by chemical bonds. The constituent atoms within a molecule can exhibit either homogeneity, exemplified by oxygen (O2), or heterogeneity, as witnessed in the case of water (H2O).
Molecules represent the fundamental entities of matter and exert dominion over the characteristics and attributes of all substances.
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the primary difference between the sharpe ratio and the sortino ratio is that the sortino ratio considers:
Answers
The primary difference between the sharpe ratio and the sortino ratio is that the sortino ratio considers: the standard deviation of the downside risk unlike sharpe ratio which takes both upside and downside risk into consideration.
The Sharpe ratio is calculated as the average return minus the risk-free rate divided by the standard deviation of the returns. This ratio measures the excess return per unit of total risk. A higher Sharpe ratio indicates a more favorable risk-return trade-off.
The Sortino ratio, on the other hand, measures the excess return per unit of downside risk. The downside risk is defined as the standard deviation of the returns that fall below a specified minimum acceptable return (MAR). The Sortino ratio is calculated as the average return minus the MAR divided by the standard deviation of the returns below the MAR.
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