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The human respiratory system intakes oxygen which is transported to all parts of the body by the circulatory system. Then, the circulatory system returns deoxygenated blood to the respiratory system.
At what level of organization does this interaction occur?
A.
organism
B.
organelle
C.
organ
D.
cell
Answers
Answer:
The answer is A. organism
Related Questions
Sharks have a disproportionate effect on coral species diversity by keeping weedy algae in check. Sharks are therefore this type of species, which when removed, can lead to dramatic decreases in species diversity. (true or false)
Answers
Sharks are considered a keystone species because they play a critical role in maintaining the balance of the ecosystem they inhabit.
In this case, they keep weedy algae in check by preying on herbivorous fishes that feed on algae-eating organisms. If sharks were to be removed from the ecosystem, the herbivorous fishes would increase in number and consume more algae-eating organisms, which would then allow the weedy algae to grow and outcompete the coral for space, sunlight, and nutrients. As a result, the coral species diversity would decrease, and the ecosystem would become less healthy and productive.
Keystone species are those species that have a disproportionate effect on their ecosystem relative to their abundance. Their removal can cause significant changes to the structure and function of the ecosystem. Some other examples of keystone species include sea otters, beavers, and wolves.
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How do your interactions with nonliving systems affect your environment?
Answers
Answer:
Some examples of important nonliving things in an ecosystem are sunlight, temperature, water, air, wind, rocks, and soil. Living things grow, change, produce waste, reproduce, and die. These living things interact with the nonliving things around them such as sunlight, temperature, water, and soil.
Explanation:
Nonliving factors determine what living things can be supported in an ecosystem. The living creatures in a habitat affect the nonliving elements within the community. For example, plants can affect soil chemistry or certain algae can influence water chemistry.
how many base pairs in a gene
Answers
A total of 23 chromosomes and around 3 billion base pairs of DNA make up the human genome.
About 50 million to 300 million nucleotide pairs make up a human chromosome. Since bases are found in pairs and one base's identification influences the identity of the other base in the pair, scientists are not required to report both bases of a pair, which is why DNA sequence is frequently expressed as single strings of letters. DNA sequencing entails figuring out the precise sequence of the base pairs throughout a DNA region of interest or throughout the complete genome. The creation of the first high-quality sequence of the human was a key objective of the Human Genome Project.
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Which biomes would contain animals that migrate?
a- savanna
b-tundra
c-temperate deciduous forest
d-all of the above
Answers
Answer:
the forest
Explanation:
Which statement describes a question that can be answered by a scientific
Answers
Answer:
it is based on an observation of a natural phenomenon
Explanation:
Is this answer you were looking for?
There were not answer options
I only got 10 MINUTES LEFT I NEED HELP ASAP 50 POINTS
Answers
Answer:
D.) The one you chose
Explanation:
Phospholipids form a bilayer that is largely impermeable to water-soluble molecules.
Good luck :)
What makes climate change research valid? A. Only a few scientists believe climate change is occurring B. Most climate change studies show variability
C. Most climate change studies are by unknown scientists
D. Many lines of evidence show climate
Answers
Answer:
The correct answer is D. Many lines of evidence show climate change occuring.
Explanation:
Answers A and C are obviously incorrect wich leaves B and D. Between those two, D seems the most logical.
Hope this helps:) Goodluck!
Which of the following is an example of homeostasis? A. During a time of high stress, Justin's heart races, his muscles tense, and he feels sweat dripping down his forehead. B. Sick with the flu, Alison's body temperature rises to fever levels. C. Boris doesn't drink very much water one day. To compensate, his kidneys remove less fluid from his blood, and produce less urine than normal. D. As Grace races up the ten flights of stairs to her apartment, the muscle cells in her legs produce excess lactic acid, causing a burning sensation in her legs.
Answers
Answer:
C.
Explanation:
Homeostasis refers to the tendency for the human body to attempt to maintain a certain state even during changes in environment, activity, intake, etc. Options A, B, and D all refer to instances where the body departs from its usual state. While the scenario in Option C does describe a change in environment, it also describes the reaction of the body that brings its internal systems back to a certain state of fluid level.
Biology and physics define
Answers
Answer:
Biology is the study of life, while physics are the study of matter and energy used to determine how the universe behaves.
Question 6 of 20:
Select the best answer for the question.
6. Which of the following is a benefit of intensive farming?
O A. Animals raised in intensive farms are healthier.
O B. There are nearly one million types of intensive farms in the US.
O C. A concentrated animal feeding operation is the smallest type of intensive farm.
O D. The food produced on intensive farms is cheaper than that on open ranges.
O Mark for review (Will be highlighted on the review page)
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Answers
Explain: As more is produced it becomes cheaper, and less it becomes more expensive.
Escribir las 3 razones propuestas para la situacion 1 Si tú estás en casa y te han hablado y has escuchado sobre el coronavirus, que es un virus respiratorio que al ingresar al cuerpo puede provocar daños en tu sistema respiratorio, escribe 5 medidas de bioseguridad que debes de tener en cuenta para evitar el contagio, debes explicar cada una de ellas diciendo o cómo se debe realizar o por qué es importante realizarlo. y escribir 5 ventajas de la respiración aerobia frente a la anaerobia.
Answers
Answer:
pvp o miedo manco de mierda hijueputa pones sala mi id es 542233308
how many teeth in an adult human
Answers
Answer:
32 teeth
Explanation:
8 incisors
4 canines, also called cuspids
8 premolars, also called bicuspids
12 molars, including 4 wisdom teeth.
A population of wood beetles lives on a peninsula. A nising ocean turns the peninsula into a chain of islands The beetles are terrestrial and cannot cross the ocean.Which statement describes the most likely outcome for the beetles on the new islands?A. Some beetles in the population will be able to swim across, maintaining gene flow across the populations.B. The isolated beetle populations will not be able to survive the disruption and will go extinct.C. Geographic isolation will lead to the formation of new beetle species.D. Most beetle populations will die off, but one will remain.
Answers
The isolation of the wood beetles in a penincula will result to less survival of the species since the habitat have a limiting factor that will not be able to provide for its population when it increased in size. Since they do not have the ability to cross the ocean because they are terrestial, if food is no longer sufficient for their survival in their habitat, the population on the wood beetles will decrease.
Answer - Option B
An oligopoly is:
a.
fifteen to eighteen firms producing 90 percent of the output.
b.
one firm producing 95 percent of the output
c.
ten to fifteen firms producing 40 percent to 50 percent of the output.
d.
a few firms producing the majority of the output.
Answers
help me please starting from 12 the labeling part till. 15 please
Answers
In the labeling process, starting from step 12, you need to carefully examine the data and assign appropriate labels to each instance. This involves categorizing or tagging the data based on predefined criteria or classes. The labeling process is crucial for supervised machine learning tasks as it provides the labeled examples necessary for the model to learn and make accurate predictions.
To begin, review the data and understand the labeling guidelines or instructions provided. This helps ensure consistency and accuracy throughout the process. Next, analyze each instance and assign the corresponding label based on the specific task at hand, such as sentiment analysis, object recognition, or text classification.
It is essential to be diligent and pay attention to detail while labeling to minimize errors and maintain the quality of the labeled dataset. Document any uncertainties or ambiguous instances for later review or clarification.
Finally, once all instances have been labeled, it is advisable to conduct a quality check or review to identify and correct any labeling mistakes or inconsistencies. This step helps guarantee the reliability and usability of the labeled dataset for training machine learning models.
In summary, the labeling process from step 12 to 15 involves carefully examining the data, assigning labels based on predefined criteria, ensuring consistency, and conducting a quality check to maintain the accuracy and reliability of the labeled dataset.
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Which of the following statements are true of Moons in our solar system?
a. are spherical
b. Made of Gas
c. Orbit planets, dwarf planets and even some asteroids in out solar system
d. Made of ice or rock
Answers
Answer:
Option (C)
Explanation:
Moons – also known as natural satellites – orbit planets and asteroids in our solar system. Earth has one moon, and there are more than 200 moons in our solar system. Most of the major planets – all except Mercury and Venus – have moons.
Answer:
c
Explanation:
it just made more sense then the others
Very fast brainlist
One person consumes the equivalent of five cows per year. Five cows consume a total of 39 million Calories of vegetation per year. One person only needs one million Calories a year to survive. Which statement best describes the efficiency of energy transfer in this scenario?
It is very efficient because the person can eat less.
It is inefficient because less energy is needed at the top.
It is very efficient because most energy is made by producers
Only a portion of energy from vegetation makes it to a person.
Answers
Answer:
It is very efficient because the person can eat less.
Explanation:
the common knowledge answer
Only a portion of energy from vegetation makes it to a person. The correct option is D.
What is energy efficiency?The definition of energy efficiency is the use of less energy to carry out a task or achieve a goal.
Ecological efficiencies at each trophic link determine the food chain efficiency (FCE), which is calculated as the percentage of energy fixed by primary producers that is transmitted to the top trophic level.
The energy supply accessible to trophic level N+1 divided by the energy used by trophic level N is the definition of ecological efficiency.
Only a percentage of the energy from vegetation makes it to a person, which best sums up the efficiency of energy transmission in this situation.
Thus, the correct option is D.
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Which of the following statements about cell organelles is NOT true?
A. Chloroplasts contain chlorophyll and are the site of photosynthesis.
B. Many of the same organelles are located in both plant cells and animal cells.
C. The nucleus in an animal cell has a different primary function than in a plant
cell
D. The endoplasmic reticulum has several roles, including packaging and
transporting proteins.
Answers
Answer:
A
Explanation:
Answer: A
Explanation:
Difference between "Releasing" and "Inhibiting" hormones?
Answers
Releasing hormones cause downstream release of a hormone and Inhibiting hormones does the opposite.
Hope this helps you!
The nucleus of an atom is made up of
Answers
Answer:
protons and nuetrons
Explanation:
in an atom, there are protons, nuetrons, and electros
in the nucleus, there are varying amounts of protons and nuetrons.
surrounding the nucleus, is a cloud of electrons called the electron cloud
Explain how you could use a balloon to show a friend why the universe looks the way it does.
Answers
Answer: When scientists talk about the expanding universe, they mean that it has been growing ever since its beginning with the Big Bang.
Explanation: The galaxies outside of our own are moving away from us, and the ones that are farthest away are moving the fastest. This means that no matter what galaxy you happen to be in, all the other galaxies are moving away from you.
However, the galaxies are not moving through space, they are moving in space, because space is also moving. In other words, the universe has no center; everything is moving away from everything else. If you imagine a grid of space with a galaxy every million light years or so, after enough time passes this grid will stretch out so that the galaxies are spread to every two million light years, and so on, possibly into infinity.
True or False: it is believed that hyper sanitation may lead to an allergy epidemic.
Answers
It is believed that hyper sanitation may lead to allergy epidemic : True.
Why does hyper sanitation causes an allergy epidemic?There is a hypothesis known as the hygiene hypothesis, which suggests that increased cleanliness and reduced exposure to certain microbes and parasites in childhood can cause overactive immune system and increased risk of developing allergies and autoimmune diseases later in life.
While the exact mechanisms are still being studied, some researchers believe that excessive use of antibiotics and disinfectants and lack of exposure to microbes and parasites, may be contributing factors to the rise in allergies and autoimmune diseases in the recent decades. It is important to note that this is still a developing area of research and more studies are needed to fully understand relationship between hygiene and allergies.
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What could Mendel conclude?
Answers
PLS HURRY!!!
What is the function of chloroplasts in plants?
O to produce food
O to absorb nutrients
O to provide support
O to allow air to pass
Answers
Answer:
To produce food is the correct answer.
Question List
Which describes the importance of taxonomy?
enables scientists to organize large amounts of information
enables scientists to communicate scientific information
provides basic understanding about the components of biodiversity
all of the above
Answers
All of the above describes the importance of taxonomy. Therefore, option (D) is correct.
What is taxonomy?Taxonomy is the science of classifying and naming organisms. It involves grouping organisms based on shared characteristics and assigning them scientific names according to established rules.
Taxonomy helps scientists to understand the relationships between different species and to organize and communicate information about the diversity of life on Earth. It provides a system for classifying and naming organisms that is widely used in biology and is essential for understanding the diversity of life on our planet.
In taxonomy, organisms are classified into a hierarchical system of categories, starting with the broadest (kingdom) and becoming more specific (phylum, class, order, family, genus, species). Each organism is assigned a scientific name consisting of two parts: the genus and the species. The genus is the first part of the scientific name, and the species is the second part. Together, these two parts form the unique scientific name for each organism
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Compare and contrast the end products of protein and carbohydrate digestion between the pigand the cow.
Answers
In the late 1800s, more women
were able to enter the workforce
due to the need for what?
Answers
(Hope this helped?)
Answer: Typists
Explanation: I hope this helps you
What two movements cause pressure in the lungs to decrease when breathing in?
Answers
Answer:
The two movements that cause pressure in the lungs to decrease when breathing is inhalation and exhalation.
Explanation:
Inhalation is when air or other gases enters the lungs and Exhalation is the flow of the breath out of an organism.
Based on the cell theory, which of the following is true?
Large organisms have fewer cells than small organisms.
Small organisms have smaller cells than large organisms.
All living things are made of more than one cell.
New cells are produced from old cells
Answers
Answer:
New cells are produced from old cells
Explanation:
According to cell theory, which is a scientific theory first formulated in the mid-nineteenth century, organisms are made up of cells, they are the basic structural/organizational unit of all organisms, and all cells come from pre-existing cells¹. So, out of the options you provided, the statement that is true according to cell theory is: "New cells are produced from old cells."
Source: Conversation with Bing, 4/27/2023
(1) Cell theory - Wikipedia. https://en.wikipedia.org/wiki/Cell_theory.
(2) Cell theory | Definition, History, Importance, Scientists, First .... https://www.britannica.com/science/cell-theory.
(3) Cell Theory - National Geographic Society. https://www.nationalgeographic.org/encyclopedia/cell-theory/.
Look at the microscope image of cheek cells below. Identify which letter represents the area where DNA is stored.
Answers
Answer:
nucleus
tissues
proteins
'X' represents the nucleus of the cheek cells which is the area where DNA is stored.
What is DNA ?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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