every member of the food web is the prey of another member of the food webtrue or false explain why
The statement is not strictly true for every food web as apex predators and decomposers don't have predators. Food webs are not linear but complex interconnections of organisms feeding and being fed on. The nature of these connections can vary based on the specifics of the ecosystem.
Explanation:The statement 'every member of the food web is the prey of another member of the food web' is not absolute and would largely depend on the specific food web being considered. In an ecosystem, a food web is a complex system of interactions between different organisms involving both feeding and being fed on. While it's true that many members of a food web are prey for other members, there are exceptions. For example, top-tier predators, often referred to as apex predators, such as lions or sharks, typically have no natural predators within their ecosystems.
Furthermore, the food web also includes decomposers, like bacteria and fungi, which feed on dead organic material rather than live prey. These organisms play a crucial role in recycling nutrients within the ecosystem, breaking down dead organisms and waste material into simpler substances that can be utilized by plants.
Thus, while many organisms within a food web serve as prey for others, it's important to recognize the complexity and variation within these ecological networks.
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Among ____________ organisms, groups of ____________ with similar functions make up ____________ .
An organism is a living form of life, such as plants, animals, protist, fungi etc.
The fill the blanks is :
Among multicellular organisms, groups of cells with similar functions make up tissue.
Multicellular organismA multicellular organism is consisted of more than one cell.
Plants, animals, and fungi are the multicellular organism.Multicellular organism are higher organism that have organs with specific function.In a multicellular organism, many cells combine to constitute tissue and then tissue combine to form organs.
The correct option is:
Among multicellular organisms, groups of cells with similar functions make up tissue.
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Why is it important for a young person to have a thymus? The thymus produces hormones that help children grow. The thymus helps develop the immune system in children. The thymus helps children increase red blood production. The thymus allows children to breathe more easily.
Answer:
B
Explanation:
took it on edge
In some coastal areas, the air temperature is high throughout the day. There is often precipitation in the late afternoon. Which type precipitation is most likely to occur
A. Hail
B. Rain
C. Sleet
D. Snow
In coastal areas with high air temperatures throughout the day, rain is the most likely form of precipitation in the late afternoon due to the warm atmospheric conditions that do not support solid forms of precipitation like snow, sleet, or hail.
In some coastal areas, the air temperature is high throughout the day. If precipitation occurs in the late afternoon, the most likely type of precipitation to occur is rain. This is because high air temperatures throughout the day increase the likelihood that any precipitation will fall as rain rather than snow, sleet, or hail. Forms of precipitation like snow, sleet, and hail are associated with colder temperatures, either at the surface or at some point in the atmosphere through which the precipitation falls. In coastal areas with high temperatures, the atmosphere is too warm to support these types of solid precipitation, thus making rain the most probable form of late afternoon precipitation.
Some neurons release more than one kind of neurotransmitter. true or false
The answer is true :)
_____ is an antianxiety drug that may impact levels of brain dopamine and serotonin but does not classify as a benzodiazepine or affect the neurotransmitter gaba.
Buspar (buspirone)
Buspar is an anti-anxiety drug that may impact levels of certain
neurotransmitters; dopamine and serotonin in the brain. Buspar is not classified
as a benzodiazepine and it does not affect the neurotransmitter gaba. Buspar is
administered to treat symptoms of anxiety such as fear, irritability, dizziness
and other physical symptoms.
the demographic transition is considered complete when
The demographic transition is complete when birth rates equal or fall below death rates, leading to zero or negative population growth, typically observed in Stage 4 of the transition. Some advanced economies may be entering Stage 5 due to birth rates falling further below death rates.
Explanation:The demographic transition is considered complete when a country's birth rate (CBR) becomes equal to or less than its death rate (CDR), resulting in a zero population growth (ZPG) or a negative population growth in some cases. This typically aligns with Stage 4 of the demographic transition model, where high-income economies have reached this point demonstrating a return to low growth rates. However, some countries are posited to be entering a potential Stage 5, characterized by birth rates falling below death rates, leading to a population decline unless counterbalanced by immigration.
In the context of demographic transition, it reflects a shift from high birth and death rates to low birth and death rates often associated with economic development and factors such as increased educational opportunities, women's independence, and access to health technologies. Advanced countries that have undergone this transition successfully now experience rates that lead to stable or shrinking populations, a trend also starting to be seen in less developed nations to varying degrees.
the two processes that produce variations in living things are
1. sexual and asexual reproduction
2. asexual reproduction and changes in the environment
3. mutation and changes in the environment
4. sexual reproduction and mutation
4b. why would the vena cava be classified as a vein? all veins carry blood back to the heart, except for the pulmonary vein. the vena cava empty into the right side of the heart, so they technically bring blood to the
What is the total disappearance of all members of a species.
The correct answer is - extinction.
When all the members of a species die out, thus disappear from the environment, the species has become extinct.
The reasons for extinction are numerous, but while in the past it has only been because of natural reasons, in recent times it is actually the humans with their activities that contribute to the extinction of the species the most.
There's usually multiple fazes in the decline of a species until it goes extinct, with the last one before extinction being ''endangered'', and from what has been seen so far, once a species reaches that faze, it is almost impossible to recover, but instead it goes extinct.
When two chromatids pair up, what is that location called?
Answer: it's called a chromosome.
Explanation: The center of the chromosome where they attach or pair up is called the centromere.
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Why should i care about saving an animal in adoption?
Compute the work done moving the 6.2 l of blood completely through the body, assuming the blood pressure always takes its average value. hint: when the heart contracts, it applies force to the blood. pressure is just force/area so we can write work = (pressure)(area)(distance). but (area) (distance) is just the blood volume passing through the heart.
What are the three substances that generally make up paint? describe each part. what are polymers? what is a scanning electron microscope? what are its advantages? what is the pdq? what is it used for?
Which of the following best explains how genetic recombination influences evolution?
The answer is ‘ The genetic variation introduced during recombination provides new allelic combination on which natural selection to act upon’. For a population to be well adapted to an environment and its dynamic and random changes, it has to have a wide variation in genotypes and phenotypes. This way some individuals are able to survive drastic changes and pass their genes to the successive generations, that is if the majority of the population is not able to survive a calamity such as disease (bottleneck effect).
Genetic recombination, resulting from mutation and sexual reproduction, fosters genetic diversity by creating new combinations of genes. This diversity enables populations to adapt to changes in their environment, thereby driving evolution. The concepts of gene recombination and its contributions to evolution are underpinned by the principles of Darwin's natural selection and Mendel's independent assortment and linkage.
Explanation:Genetic recombination influences evolution by increasing genetic diversity in a population. Primary mechanisms of genetic diversity include mutation and sexual reproduction. Mutation, a change in DNA, can introduce new alleles into a population. The effects of these mutations range from neutral to significantly altering an organism's fitness. On the other hand, sexual reproduction creates unique combinations of alleles, producing diverse genotypes and phenotypes in offspring.
Furthermore, during meiosis in sexually reproducing organisms, crossing-over events and independent assortment of chromosomes contribute to genetic diversity. New combinations of parental genotypes are formed in the diploid offspring, enabling adaptation to environmental changes.
The concept of genetic recombination and its influence on evolution is grounded in Charles Darwin's theory of natural selection and Mendel's principles of independent assortment and linkage. For example, Sturtevant's work represented alleles in a linear map, suggesting that gene linkage and recombination frequency could range widely depending on their location on the chromosome. This contributes to the understanding of genetic diversity and evolution.
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The coastal regions of Mississippi lie along the Gulf of Mexico. How does this affect the weather of the region? A) Proximity to the Gulf of Mexico makes the weather cold throughout the year. B) Proximity to the Gulf of Mexico results in low rainfall in the coastal regions. C) The Mississippi River empties into the Gulf of Mexico, making the weather humid. D) The coastal regions are prone to hurricanes that develop over the Gulf of Mexico.
The coastal regions of Mississippi lie along the Gulf of Mexico. This affects the weather of the region as it is more prone to hurricanes that develop over the Gulf of Mexico. Thus, the correct option for this question is D.
How does the Mississippi river affect the Gulf of Mexico?The Mississippi River and its delta play a significant and large role in affecting the Gulf of Mexico. The river is the largest source of freshwater, nutrients, and sediments in the Gulf, and as such, impacts the Gulf's circulation, geochemistry, and ecology.
According to the question, the coastal region of any location is highly prone to hurricanes, tornadoes, etc. This is because they have high temperatures, large amounts of water vapor in the air, and dry and humid climate conditions. Each of the above factors governs the weather and climate of the coastal regions to a large extent.
Therefore, the coastal regions of Mississippi lie along the Gulf of Mexico. This affects the weather of the region as it is more prone to hurricanes that develop over the Gulf of Mexico. Thus, the correct option for this question is D.
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Pelicans are large birds that usually live near water. They have large, expandable pouched bills, which are useful for _______.
A. digesting their food.
B. catching fish.
C. swimming quickly.
D. flying gracefully.
Pelicans are large birds that usually live near water. They have large, expandable pouched bills, which are useful for catching fish, which is option B, as pelicans are known for their large, expandable pouched bills, which are highly adapted for catching fish.
what is pelican ?Pelicans are known for their large, expandable, pouched bills, which are highly adapted for catching fish. They are excellent divers and use their keen eyesight to locate fish from the air. When a suitable fish is spotted, the pelican dives into the water, using its wings and feet to help it swim deeper. Once it has its prey in sight, the pelican opens its bill wide and scoops up the fish along with a mouthful of water. The water is then drained out of the bill, leaving the fish trapped inside the pouch.
Hence, pelicans are large birds that usually live near water. They have large, expandable pouched bills, which are useful for catching fish, which is option B, as pelicans are known for their large, expandable pouched bills, which are highly adapted for catching fish.
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Hypertensive disorders of pregnancy typically resolve with
Hypertension medication
Hypertension is a clinical condition encountered during pregnancy and it usually occurred after 20 weeks gestation without presence of protein in urine. Thus, pregnancy induced hypertension is determined by having a blood pressure greater than 140/90mm Hg.
The use of drug option is limited because many antihypertensive drugs have negative effect on the fetus but methyldopa, labetalol and hydrazine are commonly used for severe pregnancy hypertension.
How do mycorrhizal fungi benefit plants?
Answer:
Mycorrhizae are symbiotic relationships that form between fungi and plants. The fungi colonize the root system of a host plant, providing increased water and nutrient absorption capabilities while the plant provides the fungus with carbohydrates formed from photosynthesis.
Explanation:
EDGE 2020 baby!
What happens during the first trimester?
a.the fetus develops fully working eyes.
b.the major organ systems have started developing.
c.rhythmic breathing movements begin.
d.contractions begin in the womb?
Answer:
B. The major organ systems have started developing.
Explanation:
Did the question myself
Why do some foods have more caloric content per unit mass than other foods?
Caloric content is the amount of calorie (energy nutrients) present in a food. Carbohydrates, proteins and fats are the three macronutrients that make up all foods and they are the body’s sources of calorie. Some macronutrients contain more calories per gram than others and this is because proteins and carbohydrates foods contain 4 calories per gram while fatty foods contain 9 calories per gram. Potatoes and yam have the same amount of carbohydrate, so they contain the same number of calories. Alcohol contains 7 calories per gram.
When two pink flowers (rw) are crossed, there are four equally likely possible outcomes for the genetic makeup of the offspring: red (rr), pink (rw), pink (wr), and white (ww). complete the punnett square. if two pink flowers are crossed, what is the probability that the offspring is?
If two pink flowers are crossed, the probability that the offspring is
red flower (rr) = 1
pink flower (rw) = 2
white flower (ww) = 1
Punnet square
Pink flower x pink flower
rw rw
F1 generation
rr, rw, rw, ww
Probability:
red flower (rr) = 1
pink flower (rw) = 2
white flower (ww) = 1
What is genetic mutation?Genetic mutation, crossing over during meiosis, polypoidy is an example of a cause of natural variation to the mechanism of natural selection.Variation has been shown in many ways such as the physical appearance, metabolism, reproduction, fertility behavior, learning and mental ability, such variation has been known as natural variation.
Genetics has been known as the study of the heredity as well as the variation of the inherited the characters and the genetic properties and the organism's feature and the characteristics. It has been also known as the branch of biology that deals with the study of genetic variation, genes, and the heredity in the organisms.
Therefore, If two pink flowers are crossed, the probability that the offspring is
red flower (rr) = 1
pink flower (rw) = 2
white flower (ww) = 1
Punnet square
Pink flower x pink flower
rw rw
F1 generation
rr, rw, rw, ww
Probability:
red flower (rr) = 1
pink flower (rw) = 2
white flower (ww) = 1
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Which scientist is matched with his contribution to evolutionary theory
Atrophic gastritis is a common condition among older adults that impairs the ability to absorb ________.
Atrophic gastritis is a common condition among older adults that impairs the ability to absorb iron
Explanation:
Atrophic gastritis is a condition that is caused by the inflammation of the intestine due to the secretions of the stomach such as hydrochloric aicd, pepsin etc.
It may or may not involve the infection of helicobacter pyroli. It also leads to the arise of megaloblastic anemia which disturbs the absorption if iron in the body. Type A is caused due to ammonia whereas type B is caused due to infection.
why is my dog dyslexic
Which component of ATP is also found in DNA and RNA
Answer:
Adenine
Explanation:
Adenine is a nitrogenous base found in RNA and DNA. it is one of the purine bases and can be paired with thymine and uracil.
Adenine is not only found in nucleic acids (DNA and RNA) it is also part of the adenosine triphosphate, ATP, which is an extremely important molecule because it is the energy currency of the cell being used in various metabolic processes in the body.
What does the respiratory system do?
a. moves blood around the body
b. defends against invaders
c. sends hormones to the body
d. brings oxygen into the body?
Examine this food web for a particular terrestrial ecosystem. which species is most likely a decomposer on this food web?
Which organism obtains its energy from other organisms?
Select one:
a. rose bush
b. peach tree
c. algae
d. cougar
What is the testicular target for follicle-stimulating hormone (fsh)?
In males, the testicular target for follicle-stimulating hormone (FSH) is the Sertoli cells. FSH stimulates the Sertoli cells to support the development of sperm cells and initiate spermatogenesis.
Explanation:The testicular target for follicle-stimulating hormone (FSH) in males is the Sertoli cells. FSH stimulates the Sertoli cells to produce regulatory proteins and nutrients that support the development of sperm cells. Additionally, FSH plays a role in the initiation of spermatogenesis, the process of sperm cell production.
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