Biology High School

As shown in Figure 27–3, the ventricle in a single-loop circulatory system is responsible for

A)receiving blood from the body.
B)pumping blood out to the gills.
C)pumping blood out to the body.
D)receiving blood from the gills.

As Shown In Figure 273, The Ventricle In A Single-loop Circulatory System Is Responsible For A)receiving

Answers

Answer 1
C)pumping blood out to the body
Answer 2

The circulatory system of the fish is a single-loop. The heart of the fish is two-chambered, consisting of only one ventricle and one atrium. The atrium of the fish collects the blood which has come from around its body, while the ventricle pumps this collected blood to the gills. The blood goes to the gills where it is reoxygenated as the gas-exchange occurs.

Hence, the answer is 'option B - pumping blood out to the gills'.

Related Questions

A proposed theory in the history of evolution where prokaryotic cells engulfed aerobic heterotrophic prokaryotes and photosynthesis prokaryotes is called?

Answers

This theory is called endosymbiosis. 
Think this is how chloroplasts came into being as well as mitochondria.

Why is river water less clear at the mouth than at the source?

a.because the mouth is warmer

b.because the source is colder

c.because the mouth has debris

d.because the source is warmer

Answers

Final answer:

River water is less clear as it approaches the mouth compared to the source because of increased sedimentation, debris, and phytoplankton that accumulate in the slower, wider, and warmer parts of the river.

Explanation:

The clarity of river water changes from the source to the mouth due to a variety of factors involving the abiotic features of rivers and streams. At the source, the water is typically cold, clear, and low in nutrients, flowing rapidly through a narrow channel. As the river travels downstream, it gathers more water from tributaries, the channel widens, the gradient decreases, and the water slows down. This environment allows for more sedimentation and the growth of phytoplankton, which makes the water appear less clear. Moreover, the longer exposure to sunlight and less tree cover can make the water at the mouth warmer.

So, the correct answer to why river water is less clear at the mouth than at the source is c. because the mouth has debris, which is inclusive of the increased sedimentation and other particulate matter that accumulates as the river approaches its mouth.

The river water is less clear at the mouth than at the source is c. because the mouth has debris.

As a river flows from its source, it picks up sediment, organic matter, and other particles from the surrounding landscape. By the time the river reaches its mouth, where it meets a larger body of water such as an ocean or a lake, it often carries a significant load of these materials. This increase in suspended particles and sediments reduces the clarity of the water.

Additionally, at the mouth, the river's flow slows down, allowing particles to settle less efficiently and increasing turbidity. In contrast, the water near the source is typically clearer because it has not yet accumulated a large amount of debris and sediments.

Phospholipids are ____________ lipids that contain a phosphorus atom

Answers

Phospholipids are a class of lipids that contain a phosphorus atom. They are structural components in cell membranes. They have an amphiphilic ( having both hydrophobic and hydrophilic) characteristic and thus they can form a lipid bilayer. Their structure consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group. 

Final answer:

Phospholipids are amphipathic lipids with a phosphorus atom that form the hydrophilic heads and hydrophobic tails of cell membranes. Examples like Phosphatidylcholine illustrate their key role in maintaining membrane integrity and supporting cell functions.

Explanation:

Phospholipids are amphipathic lipids that contain a phosphorus atom. These lipids are unique because they have a hydrophilic (water-loving) head that contains a phosphate group and one or more glycerol molecules, and two hydrophobic (water-fearing) fatty acid tails. The amphipathic nature of phospholipids allows them to form cell membranes in a structure known as a lipid bilayer, where the hydrophobic tails face inward, shielded from water, while the hydrophilic heads face outward towards the aqueous environment on both sides of the membrane.

Phosphatidylcholine is an example of a phospholipid. The phospholipid structure is critical in maintaining cell membrane integrity and facilitating cell function, including signaling and substance transport across the membrane. In addition to their structural role, phospholipids can also participate in metabolism and cell signaling processes.

List 6 forms of renewable energy and compare the advantages and disadvantages of each

Answers

There are different types of renewable energy:  renewable energy is a concept that is focused on the fact in order to produce those type of energy their Source must be a renewable one. these renewable sources come from the sun the wind the water and all these forms have their advantages and disadvantages. 

Starting with the solar form of energy this form of energy sure as the advantages of Infinity power as well as the ability to be easily collected when possible but it also has the disadvantage that this technology available at this time allows to a limited efficiency.

 The eolic is one of the best known and used which of course is an advantage but large complex of eolic energy are expensive and often they are just as destructive as the fossil fuel forms of energy.

 There is also the geothermal energy which comes from the Earth this form of energy is well studied and known which is one of the plus sides of this type of energy but it is available only in remote areas or in places where it's not easy to build a geothermal complex.

 As for the water its great power can be used in many ways such as rain buy also tides and waves.  While hydroelectric power often is used in many countries the environmental impact of this form of energy is great, though it is proven to be extremely useful in many contexts.

 As for waves technologies, it is still a new form.  The advantages of this form of technology are obvious, as it is for many renewable technologies,  still, it is not well studied as other forms of Technologies,  so this could be considered as a disadvantage.

 For the last form of energy which is tide energy disadvantages and advantages are very similar to wave energy as it is one of the most not known form of renewable technology and so further studies should be pushed up in order to have a better knowledge.

Which part of the cerebral cortex is most important for a sense of touch?

Answers

the part of the cerebral cortex is cerebellum

Which of the following professions has NOT contributed significantly to the development of therapeutic use of herbs and pharmaceuticals?

anthropologist
biologist
chemist
botanist

Answers

The correct answer is ANTHROPOLOGIST.
An anthropologist is a professional, who engaged in the study of various aspects of human within past and present societies. Such professionals are involved in the research and study of socio-historical, linguistic, and biological aspects of human. Biologist, chemist and botanist are actively involved in the development of drugs.

BRAINLIESTTTT ASAP!!!!

1. Which statement is true about elements?

They are finite in number.
They are infinite in number.
They combine to form atoms.
They combine to form electrons.

2. Scientists have developed a new drug known to cure a previously incurable disease. What best explains if the new drug is a compound or not?

It is a compound because it will be able to cure a disease.
It is not a compound because it was developed by scientists.
It is a compound because compounds make all types of matter.
It is not a compound because compounds make up only living things.

Answers

I only know the first one i.e. they are infinite in number

Which organelle does protein synthesis

Answers

Protein synthesis is in the ribosome.  Or, occurs in the ribosomes.

Hope helps-Aparri

Answer:

The answer is Ribosomes.

Explanation:

Ribosomes are supramolecular complexes of proteins and ribonucleic acid, present in all cells. Ribosomes are organelles of the cytoplasm of a cell are composed of water, proteins and RNA, and whose function is to participate in the synthesis or manufacture of proteins from the information contained in the DNA, which arrives transcribed to ribosomes in the form of RNA messenger (mRNA).

Which piece of evidence supports the hypothesis shown in the "within the artiodactyls" origin of the whale lineage, suggesting that the whale lineage diverged from the lineage leading to the hippos after the other members of the order artiodactyla (pigs, camels, etc.) diverged?

Answers

I think the answer would be d because i think thats the answer.

Jewish americans are concentrated in the metropolitan area of

Answers

Jewish Americans are mostly concentrated in the metropolitan area of New York City. Big portion of them are descendants of the German Jews, some of which came in the late 19th century, while others after the World War II. Most of them were highly educated, so New York City was a nice place for an educated person with a sense for economics to prosper.

Answer: New York, Los Angeles, & Miami

First Jews who migrated to America as early as 1933 were from Spain and Portugal. They arrived in the US as refugees. The Ashkenazi Jews comprise the vast majority of American Jews who settled first in and around New York City; in recent decades have moved to Miami, Los Angeles and other large areas in the South and West. The number of American Jews are estimated at 6.4 million (almost 39% of the Jewish population) and approximately 2.1% of the total population of US.

What instrument enables the observer to view binocularly the conjunctiva, sclera, cornea, iris, anterior chamber, lens, and anterior portion of the vitreous?

Answers

The slit lamp biomicroscope is an instrument that enables the observer to view binocularly the conjunctiva, sclera, cornea, iris, anterior chamber, lens, and anterior portion of the vitreous. This instrument provides a magnified image and gives detailed screening of the eye. The slit lamp consists of four important parts which are viewing arm, illuminating arm, patient positioning frame and the base.






The nucleic acid of a virus particle is enclosed in a protein coat. what is it called? see concept 19.1 (page 397) view available hint(s) the nucleic acid of a virus particle is enclosed in a protein coat. what is it called? see concept 19.1 (page 397) genome capsid envelope nucleoid nuclear envelope

Answers

The right option is Capsid

A capsid is a protein coat that encloses the nucleic acid (RNA, DNA etc.) of a virus particle. Capsids are in different shapes and the common ones are icosahedral, prolate, and helical. The main role of the capsid is to protect the virus by ensuring that the nucleic acid inside of it is safe.






Why do you think some zoonotic diseases have been used for bioterrorism throughout history?

Answers

Zoonotic disease is hard to treat and most of them fatal. Zoonotic disease also easily spread so it could kill many people in short time. Since the disease could also be carried by animals so it is hard to be isolated.
The damage that can be caused by the zoonotic disease is very high that it will easily cause panic, so it will be ideal for terrorism.

Which cells below possess unlimited proliferation potential, have the capacity to produce more of themselves and can give rise to all of the cells of the tissue? stem cells progenitor cells differentiated end products of a tissue anatomical cells?

Answers

This refers to stem cells.

Fires can result from both human disturbances and natural causes. An immediate effect that wide-spread fires have on any ecosystem is

Answers

Fires disrupt the equilibrium of an ecosystem. The results of a fire include a resetting of plant succession. Many ecosystems have adapted to a certain frequency and intensity of wildfires, and many plant species actually require fires as part of their life cycles. Fires can open up forests and grasslands that would be too congested and shaded to allow young grasses or trees to take root. Fires in fact act as a stimulus for some seeds to germinate. These would typically be pioneer plants that are able to grow in fairly harsh and varied conditions. Fires also remove accumulated dead tree matter that can accumulate in a forest, and if wildfires are too infrequent, fires and be very intense when they do happen as they are fed by the accumulated material. 

Answer:

decrease in vegetation

Explanation:

study island

You should only hold your breath when you're preparing to exert a force during exercise.
a. True
b. False

Answers

false is the correct answer 

why are humans called heterotrophs

Answers

Human are called heterotrophs because they can not prepare their own food from simple carbons sources but obtain ready made food from other organisms like plants etc.

Humans are heterotrophs because we depend on preformed organic molecules from other organisms for energy and building blocks for growth. We can't produce our own food through photosynthesis.

Humans are called heterotrophs for several reasons. Here are the key points:

We are totally dependent on preformed organic molecules from food to meet all our energy needs.We also require organic molecules as building blocks for our anabolic processes.Heterotrophs, including humans, cannot produce their own food through photosynthesis; instead, we must consume other organisms.The term 'heterotroph' comes from Greek roots meaning 'other feeder', indicating that our food comes from other organisms.All food consumed by humans can be traced back to autotrophs like plants, which produce organic molecules through photosynthesis.

Which example displays a type of point source pollution?
- rainwater carrying toxic chemicals and debris to a river
-melted snow mixed with debris flowing into a city
-untreated water from a factory flowing into a lake
-smoke released by trucks
-rainwater mixing with garbage on the sidewalks of a street

Answers

"Untreated water from a factory flowing into a lake" is an example of point source pollution. 
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.

If I helped you mark brainliest.
 

Answer: untreated water from a factory flowing to the river.

Explanation: Point source pollution can be defined as the single source by which the polluted water is coming or pollution is coming.

Here the source is factory and the polluted water from the factory is discharged into the lake.This water from the lake can be transferred to other places.  

So, the point source is polluted water from factory

Why are finches important to Darwin's idea?

Answers

It helps to give solid evidence of natural selection. The idea is that there are a number of finches in the Galapagos Islands. These birds vary slightly in appearance, in the function of their beaks and in size. Two species can eventually alter themselves because of the environmental conditions they live in. Some traits will be passed on or developed in one group and not in the other or vica versa. These finches are remarkable in that it did not take long for the changes to take place. It is probably one of the strongest reasons for believing in natural selection, because only those birds who could adapt to change could easily pass on these advantages to their offspring. The relatively short period of time to enact these changes is what makes the this example  so attractive.
 

Each chromosome in humans has a maternal and paternal version. these pairs are called

Answers

Each chromosome in humans has a maternal and paternal version. These pairs are called homologous chromosomes. Homologous chromosomes are similar but not identical. They contain the same genes in the same loci which enable them to align correctly with each other before separating during meiosis, but the alleles may not be the same.T he homologous chromosomes are the basis for Mendelian inheritance.

Homologs

Homologs are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during meiosis. The relationship between the two chromosomes (inherited from the father and mother) is separated by the action of genetic duplication.






A client with a history of hypertension is diagnosed with primary hyperaldosteronism. this diagnosis indicates that the client's hypertension is caused by excessive hormone secretion from which gland

Answers

aldosterone from the adrenal gland is the answer

A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is _____.(think about the relationship between a dolphin and a shark).

Answers

Answer:  " convergent evolution " .
________________________________________________________
     " A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is  convergent evolution ."
_________________________________________________________

A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is convergent evolution.

The pattern of evolution that results when unrelated species begin to appear similar due to environmental conditions is known as convergent evolution. This is the development of similar adaptations in species of different lineages that have evolved independently to respond to similar environmental demands.

Convergent evolution may also involve species adapting similar survival strategies such as camouflage. For instance, species like the arctic fox and ptarmigan (a bird) both develop seasonal white coverings to blend with snow and ice. Though their coverings are of fur and feathers respectively, these adaptations result from common selection pressures—the benefits of avoiding predation.

Therefore, convergent evolution is the process where unrelated species develop similar traits due to similar environmental pressures, exemplified by the similar body shapes of dolphins and sharks for efficient swimming.

The quality of dietary protein differs among various sources. list and explain the factors that influence protein quality.

Answers

proteins consist of amino acids and other acids. these acids help the body's functions to making new cells. is something's wrong with the acids that are contained within a protein then there is a problem

Proteins are essential for tissues, bones, muscles, and various biological processes. A protein's quality is based on how many important amino acids are present in its structure.

What is dietary protein?

This amount determines how digestible a protein is full proteins are more digestive than incomplete proteins. A protein's quality can also be impacted by exposure to heat or alcohol.

The degree to which a protein satisfies the body's requirements for both essential amino acids and physiological demands is measured by its protein quality.

It is based on a scoring system for amino acids that evaluates the protein's essential amino acid composition in relation to the pattern of requirements.

Therefore, the quality of dietary protein differs in whether a protein contains enough necessary amino acids depending on how it was initially created.

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If mitotic cell division is the only way a particular species of single-celled organism can reproduce, it is most likely that

Answers

If mitotic cell division is the only way a particular species of single-celled organism can reproduce, it is most likely that the rate of evolution in this species is slower than in one that reproduces sexually. This is asexual reproduction, which causes mutations in a population to accumulate and combine more slowly than sexual reproduction in a cell line, as the mutations would have to arise multiple times in one line, rather than a few separate times and then be allowed to combine sexually for the descendants to have those traits. 

Final answer:

(2) the rate of evolution in this species is slower than in one that reproduces sexually, due to the lack of genetic diversity that arises from meiosis and sexual reproduction.

Explanation:

If a single-celled organism reproduces solely by mitotic cell division, it is most likely that the rate of evolution in this species is slower than in one that reproduces sexually. This is because mitotic division creates clones, or genetically identical offspring, whereby the only method for introducing genetic diversity is through mutations. Sexual reproduction, through meiosis and fertilization, mixes and matches parental DNA, thus providing significant genetic variation which is essential for the evolutionary process. Sexual reproduction also includes mechanisms like crossovers during prophase I and random assortment at metaphase I, which further increase diversity.

It is crucial for adaptation and overall survival that a species can introduce genetic variability into its gene pool. For species that reproduce asexually through mitosis, the evolutionary change relies solely on random mutations, which can be a much slower process compared to the shuffling of genes achieved through sexual reproduction.

Some of the most ancient water on earth can be found in ________.

Answers

Aquifers is correct answer.

Aquifers found in of the most ancient water on earth.


Hope it helped you.

-Charlie

Fill the punnett square below to show a cross between two between two guinea pig that Are heterozygous for the coat color

Answers

25% CC 25% cc 50% Cc

_____________ is the most common method of uploading a website

Answers

The File Transfer Protocol (FTP) program is considered the most common method of uploading a website or uploading files and folders to a hosting account server. It has an easy method where you select files from your computer and copy them to the hosting account’s computer by providing two windows that shows your files and the other the files in your hosting account server. Just drag the chosen files or folders from window displaying the files on your hard drive and drop them to the hosting account’s windows, which essentially copy’s your website’s files to the server.
Final answer:

The most common way to upload a website is by using File Transfer Protocol (FTP). An FTP client is used to transfer your website's files from your computer to the server. This then publishes your website on the internet.

Explanation:

The most common method of uploading a website to an online server is by using File Transfer Protocol (FTP). FTP is used to transfer data from one host to another over the internet. It involves using an FTP client, which is a program that runs on your computer and connects to the server where your website will be hosted. After developing your website and saving the pages as .html files, you would use the FTP client to upload these files from your computer to the server. This process effectively publishes your website on the internet.

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When charles darwin set sail on the hms beagle, what did he and most of his contemporary scientists think about the origin of species? when charles darwin set sail on the hms beagle, what did he and most of his contemporary scientists think about the origin of species?

Answers

In the 19th century, before Charles Darwin published his book ''On the origins of species'' most of the naturalists believed that the species were each created by a higher power just the way they are and that they were not able to change through time and evolutionary processes. Darwin's work was highly controversial at the time because it challenged this idea.

What is the primary function of wave summation?

Answers

1. To Prevent Muscle Fatigue
2. To Increase Muscle Tension
3. To Prevent Muscle Relaxation
4. To Produce Smooth ,, Continuous Muscle Contraction

The main function of wave summation is to produce continuous and smooth contraction of the muscle.  

• Wave summation is also known as temporal summation.  

• This event takes place when another stimulus is imparted onto a muscle prior to the completion of the previous relaxation period.  

• This results in stronger contraction, mainly due to more availability of calcium in the stimulated muscle cells.  

• The phenomenon of wave summation works on the principle of the excitation-contraction coupling effects.

Thus, the main function of wave summation is to generate smooth and continuous contraction of the muscle.

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What is carbon dioxide used for in the chloroplasts of green plants?

Answers

In plants carbon dioxide is reduced into simple carbohydrates (e.g. glucose) with energy absorbed from the sun within the chloroplast.

This is also known as photosynthesis.

Hope this helps!

The carbon dioxide in the chloroplasts of green plants is used for photosynthesis.

Plants are called primary producers because they are able to harness the energy from the sun in making their own food via a complex process called photosynthesis.

During photosynthesis, energy from the sun is used to combine carbon dioxide and water in order to form glucose. The glucose units join together to form a complex molecule called starch.

The starch is broken down in animals when they eat plants to produce energy.

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