what veins return deoxygenated blood from the head and neck to the heart

Answers

Answer 1
The Venae Cavae

These veins return deoxygenated blood from the body into the heart, emptying it into the right atrium.

Related Questions

the presence of a lophophore in a newly discovered species would suggest that the species ________.

Answers

Answer: the answer is has an exoskeleton

The lophophore is the feeding organelle in aquatic organisms. Its presence in a species suggests that the species is a suspension feeder. Thus, option D is correct.

What are lophophores?

Lophophores are the feeding organelles present in the marine invertebrates like Brachiopoda, Hyolitha, etc., of the Lophophorata group. They are used for respiration, brooding, and collecting food.

Suspension feeders use these lophophores to collect and feed on the suspended organic matter and particles in the water. Lophophorates are a major example of suspension feeders.

Therefore, the presence of the lophophores suggests the species to be a suspension feeder.

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The complete question is attached to the image below.

Imagine that you are managing a large wildlife preserve that was formerly a cattle ranch. You know from historical accounts that wild sheep used to live there, but they were hunted until the local population was exterminated. After doing some research to determine what might be an appropriate starting population, you introduce them. Food is abundant and they have no natural predators. You then spend several years graphing the number of individuals (on the vertical axis) against the number of generations (on the horizontal axis). By the 10th generation, the population begins to reach carrying capacity.

Requried:
What BEST defines this mathematical model used in population studies?

Answers

Being that they don’t have any natural predators by that 10th generation it should be back to normal capacity because of all the hunting. Sometimes humans do things out of convenience because they think that those animals are pests but,sheep aren’t predators and they are actually a very essential part of the animal kingdom in the farms and how they distribute food and kind of take care of each other, other animals and help farmers tremendously. and I mean they’re kind of amazing creatures and they provide a lot of resources for us that there’s it’s not necessary for us to hunt them. We won about 100 head of black Angus beef cattle and we only feed them organic however we won’t kill them unless maybe one has a bad leg or if there’s like an anomaly somewhere other than that he’s happy as most humane as possible and I appreciate your question and I hope it helped.

The mathematical model used in this population study is known as the logistic growth model.

What is logistic growth model?

The logistic growth model is a mathematical model that is used to describe the growth of a population over time. It is based on the idea that the growth of a population is limited by resources such as food, habitat, and space, and that as the population grows, the rate of growth begins to slow. This results in a curve that starts out steep and then levels off as the population approaches its carrying capacity, which is the maximum population size that can be sustained in a particular environment.

In the scenario described, the population of wild sheep is introduced to a wildlife preserve where food is abundant and there are no natural predators. This means that the population is able to grow at a relatively fast rate, but as the population increases, it begins to approach the carrying capacity of the preserve. At this point, the rate of growth begins to slow, and the population levels off.

This is reflected in the graph, which shows the population increasing rapidly at first and then leveling off as it reaches carrying capacity. The logistic growth model is often used to understand and predict the growth of populations in a variety of contexts, including agriculture, biology, and economics.

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What did people previously believe about the movements of Sun and Earth?

Answers

Answer:

They thought of the geocentric theory, or that the earth was the center of the universe

Explanation:

if you found a vertebrate skull in the woods and the teeth were sharp and scissor-like, what type of food would you expect this animal to eat?

Answers

Answer:

meat, or flesh.

Explanation:

sharp and scissor-like teeth are used to slice through bone and muscle, while flat-topped teeth are used for vegetables. this animal is a carnivore or an omnivore.

Sharp and scissor-like teeth are used to slice through bone and muscle, while flat-topped teeth are used for vegetables. This animal is a carnivore or an omnivore.

What are the characteristics of carnivores?

A carnivore, or meat-eater, is an animal or plant whose food and energy requirements derive from animal tissues whether through hunting or scavenging.

Big carnivores include lions, tigers, and wolves. Some birds such as hawks and eagles are also carnivores. Snakes are usually carnivores as well. Small carnivores include frogs, birds such as robins, and spiders.

A carnivore is an organism that mostly eats meat, or the flesh of animals. Sometimes carnivores are called predators. Organisms that carnivores hunt are called prey.

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Describe an approach for understanding global systems and the changes they undergo

IN UR OWN WORDS

ill give brainliest if its in ur own words

50 points :)

Answers

Answer

To understand the global systems and the changes they undergo in a better way, we can use a model to represent the various ecological processes that occur within the biosphere. One example of a model that we can use is the earth systems model. It can show the causes and effects of global change to provide us with insights and learning about the global system as a whole.

Explanation:

Answer:

To be able to understand global systems and their changes first we must survey them before and relook at the systems and analyze how they have changed and what caused these changes.

Explanation:

Some midwestern farmland in the United States is covered by

Answers

Answer:

dominant crops

Explanation:

pls help

match the nutritient molecules with their breakdown products


amino acids

glucose

triglycerides



carbohydrates

fats

proteins



plato

Answers

Amino acids- proteins
Glucose- carbohydrates
Triglycerides- fats

Which of the following includes organisms that can use energy from the sun to make food?

Answers

Answer:

Explanation:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.

If a chromosome fragment breaks off and then reattached to the original chromosome, but in the reverse direction, the resultant chromosomal aberration is called:

Answers

Answer:

An inversion

Explanation:

An inversion occurs when a chromosome breaks in two places; the resulting piece of DNA is reversed and re-inserted into the chromosome. Genetic material may or may not be lost as a result of the chromosome breaks.

The amount of available ______ limits the number of trophic levels in a community.
help!!!!

Answers

resources :) take care

Why does Iceland have geothermal energy?

Answers

Answer:

Due to the geological location of Iceland (over a rift in continental plates), the high concentration of volcanoes in the area is often an advantage in the generation of geothermal energy, the heating and making of electricity. During winter, pavements near these areas (such as Reykjavík and Akureyri) are heated up.

Explanation:

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Answer:

Due to the geological location of Iceland (over a rift in continental plates), the high concentration of volcanoes in the area is often an advantage in the generation of geothermal energy, the heating and making of electricity. During winter, pavements near these areas (such as Reykjavík and Akureyri) are heated up.

Explanation:

The fish shown here is normally found in a pond but is being studied in an aquarium. The amount of water and salt intake and excretion is measured as the fish maintains homeostasis. What scientific
question is most likely being asked based on the information in the model?

Answers

Based on the information in the question, we can infer that the question being asked is most likely "What mechanisms do fish use to maintain homeostasis in salt-water environments?".

What is homeostasis?Homeostasis is a series of regulatory processes by which an organism maintains core values (or range of values) necessary for everyday life.

How to test the questionThe question is in the form of a hypothesis.This means that the scientist must first propose a possible solution to the question.Then, the scientist will make observations based on this question. In this case, it would seem the scientist has placed the fish into an environment that differs from its natural habitat, in order to observe how the fish maintains homeostasis.

Therefore, we can infer that the most likely question being asked is in regards to the way in which fish maintain homeostasis.

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Answer:

Im not sure but from the answer is D)

Explanation:

Since the experient is about salt, a water that is hypertonic, thus A and C are out and the question states that they are testing it on a pond, meaning it is in fresh water. Thus B are out and there is only D in this question

Which population would most likely survive in a major environmental change?
A. G
B. F
C. H
D. J

Answers

Answer:

H

Explanation:

It has the most variation

Hope that helps

Summarize the lytic cycle. (1 point)

The viral DNA incorporates itself with the host cells and replicates whenever the host cell replicates itself.

A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.

A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.


A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.

Answers

Answer: A virus injects its genetic material into the host cell, copies itself using the host's structures and resources, and then forms new viruses that burst out of the host cell

The lytic cycle is one of the two main life cycles of viruses, the other being the lysogenic cycle. In the lytic cycle, a virus infects a host cell and hijacks its cellular machinery to replicate and produce new virus particles, or virions.

The correct option is D .

The lytic cycle is rapid and results in the destruction of the host cell. It is often associated with acute infections, where the symptoms of the infection are more severe and appear relatively quickly. Examples of viruses that follow the lytic cycle include the flu virus (influenza), the common cold virus (rhinovirus), and many bacteriophages that infect bacterial cells.

The lysogenic cycle, on the other hand, is characterized by the integration of the viral genetic material into the host cell's genome, allowing the virus to remain dormant for a period before switching to the lytic cycle.

Hence , D is the correct option

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Can somebody help me with my phycology

Answers

Yeah I can help with that

what's the difference between a pathogenic virus and a harmless one?

Answers

Answer: Pathogenic viruses end up killing cells; harmless ones don’t.


Yw

PLZZZZ HELP MEEE I WILL GIVE BRAINLYEST

Answers

What's the question?

I cannot download anything from the internet sorry, so i need the question to be able to answer.

The answer would be choice A

What is XX and XY? And which are their differences?

Answers

Answer:

chromosomes

Explanation:

the diefference is that one is combination of female genes and the other a combination of female with male genes


Which elements atoms have 2 electrons in the first energy level and 4 electrons in the second energy level?
A. Carbon
B. Nitrogen
C. Helium
D. None of the above

Answers

Answer:

Carbon

Explanation:

Carbon has 2 electrons in the first energy level and 4 electrons in the third energy level.

Please HELP the correct answer will get BRAINLIEST! What nutrient fits the table? I already did Vitamin A, C and D and I also did calcium, iron, carbohydrates, fats and oils and protein. What ELSE could possibly fit?

Answers

Answer:

A SOLVENT FOR MANY DIFFERENT CHEMICAL

ANSWER:

water

waterWater is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the "universal solvent" because it dissolves more substances than any other liquid. This is important to every living thing on earth.

ANY KIND OF DRINK

ANSWER:

WATERCOKE ORANGE JUICEMILK COFFEE

#CARRY ON LEARNING:)

Which ion/molecule in the saliva allows you to taste sugar as sweet? A. Hydrogen ions B. Sodium ions C. Glucose D. Alkaloid molecules​

Answers

Answer:

C. glucose

Explanation:

the presence of energy-rich carbohydrates, such as glucose, which increases the hedonic tone of food and strongly influences our eating behavior.

Glusose is the correct answer

What types of information can scientists learn from fossils?

Answers

how long life has existed on earth, an idea of an organisms size and how it has changed or evolved, and how some species may have gone extinct

Answer:

Types of information scientists learn from fossils is what it was like back then before we existed, these fossils also tells us our history and we might learn from the history and prevent any disaster that killed that animal or plant from happening to us

Explanation:

Hope this helps!

How is computer science helping this scientist do her research?​

Answers

Answer:

Computer and information research scientists invent and design new technology and find new uses for existing technology. They study and solve complex problems in computing for business, science, medicine, and other uses.

Explanation:

Answer:

While following a similar education and career path to that of information systems managers and computer programmers, computer and information research scientists have a specific subset of skills and duties that sets them apart from other computing professionals.

Information research scientists work to advance the field of computing and create new computing-based solutions to problems in countless industries. Their role is as a trailblazer: The development and design of new digital technologies, such as data mining software, is the quintessential duty of a computer research scientist.

Repurposing older technology to work in specific contexts is another frequent activity of a research scientist. They put the “science” into computer science — they research, test, and create, whereas other CS disciplines might focus on information systems management or programming software. Notable historical figures in computing, such as Ada Lovelace and Alan Turing, would be classified as computer and information research scientists today. The advancement of the field is the mission for those in this career.

Due to the broad applicability of computing technology to various fields, computer and information research scientists can be found in almost every industry. From food service to aerospace engineering, nearly every line of work can use these research scientists. As a result, duties for this career can vary greatly.

Many computer research scientists can be found in the field of robotics, where software combines with mechanical hardware to create machines that are more efficient and viable in commercial use. Others might find themselves in the medical field, creating new systems for collating and analyzing patient data. The ubiquity of computing technology means that a typical day for a computer and research scientist is almost impossible to define, and this makes the field quite exciting and dynamic.

There are some common trends that can be defined, however. Computer and information research scientists should expect to become familiar with machine learning and artificial intelligence. This emerging field of computing is perceived as the iconic technology of the future. The demand for computer scientists experienced in machine learning and AI is growing fast. As research scientists, those in this career will be hard-pressed to avoid work that involves AI. Many roles in academic and private settings focused on the research and advancement of artificial intelligence can be found. This field is slowly dominating the focus of many different industries: Automotive, health care, marketing, and even private military companies all have their hands in the world of AI, and that list is growing bigger each day.

The basic idea of the occupation is that information scientists invent new computing technologies in response to various needs. Invention naturally leads to technological advancements in many different lines of work.

the global distribution of the diversity of phytoplankton is indicated in the map shown here. which statement best describes the reason for the distribution of different species of phytoplankton as shown here?

PLEASE HELP ME OUT!!

Answers

Answer:

A)Light levels and average temperatures are higher at 0 degrees latitud…

Explanation:

got it right on usa testprep :)

Which of the following statements does NOT describe a river delta?
A. sediment that builds up where a river meets a larger body of water
B. some are muddy and unstable; others are so big crops can grow on them
C. earth scooped out that can form a lake or deep valley
D.where a flowing river empties its load at the mouth of a river

Answers

Answer:

C: Earth scooped out that can form a lake or deep valley

Answer:

letter C po Ang answer

Explanation:

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What are some characteristics of animals in “class”


Please help this is for a project pls help it will mean so much for me

Answers

Animals can be classified according to different physical characteristics, such as body covering (e.g., hair, fur, feathers, scales, shells), body shape (e.g., two main features, three main features), appendages (e.g., arms, legs, wings, fins, tails), and method of movement (e.g., walking, crawling, flying, swimming).

Beets add minerals to the soil. The greens are very good for the compost.

Answers

This is very true, greens and beats add minerals to the soil. But if it grows, it also takes some minerals from the soil.

In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis.

Answers

In biology, a model can be regarded as representation of the structure and function of biological molecules or maybe an event.

The advantages and disadvantages of these maps in modeling mitosis includes

They depicted the Interphase stages comprising of the G1, S and G2 phases.They also listed  the phases involved in mitosis which is also goodThe other image is depicting mitosis too but there is no title and labeling to it which might be confusing.The models should be able to depict the various activities that occurs during mitosis meaning the second model should have contained labeling to indicate the process of mitosis.The first model should have contained pictorial representations to enable better understanding.

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Answer:

The disadvantages for both cells are that neither is an accurate representation of the cell themselves, or the processes. The first cell doesn't tell us exactly what phases the cell is currently going through, and the cell doesn't go through is phases through grey arrows either. However, it does tell us what the phases look like, and the process of how the cell goes through them. The disadvantages of the second map is that, it doesn't show what the phases look like, the advantages are that tells us what the phases are and what comes before and after them, while showing how this occurs in a cycle and keeps going until senescense.

Explanation: Please give me Brainliest! Thank you!

How would the decimal point move to solve the equation 124 ÷ 10 to the power of 1?

Answers

The answer is 12.4 the decimal point will move to the left

Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.

Answers

Answer: the first is Peripheral and the second blank is more

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