Which structure in the diagram below is a muscle that contracts during inhalation?
Answers
The diaphragm in the diagram below is a muscle that contracts during inhalation. thus option A is correct option.
What is the role of the diaphragm?The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
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Miohippus has been classified as a browser (an animal that feeds on shrubs and trees) while merychippus has been classified as a grazer (an animal that feeds on grasses). one valid inference that can be made regarding the evolution of modern horses based on this information is that
Answers
One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing
Description of PliohippusFrom the information provided in the question The modern day horse resembling the pliohippus can be inferred to have teeth which is adapted for grazing just like the pliohippus.
The pliohippus evolved from the merychippus which is classified as a grazer. because of its longer/taller teeth the pliohippus was more adapted to grazing than been a browser.
Hence we can conclude that One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing
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I need your guys's help!
I had a science exam a day or two ago, and this was one of the questions:
Identify and name the cell organelle:
M- It allows transportation of materials in and out of plant cell.
Isn't the correct answer supposed to be cell membrane? Even though they mentioned in a plant cell.. Because the cell wall is completely permeable.. so it lets anything pass through.. but the cell membrane decides and allows materials to enter and exit the cell..
The teacher said the correct answer is cell wall though.. I would like to know your thoughts!
Answers
I believe that the correct answer would be cell wall. You said that the question referred to the cell organelle within a plant cell, which is why the cell wall is correct. The cell membrane is found in animal cells while the cell wall is found in plant cells.
Most bacterial infections are treated with antibiotics that is commonly available at public hospitals.
TRUE OR FALSE?
PLEASE STATE WHETHER THE STATEMENT ABOVE IS TRUE OR NOT, TY.
Answers
Answer:
The statement is true
which trophic level does the frog occupy
Answers
Answer:
third trophic levelExplanation:
third trophic level
Grasshoppers in turn are eaten by frogs, which is occupying the third trophic level. Frogs here are termed as secondary consumers.
Which of the following is NOT an adaptation
that bacteria have evolved to survive
antibiotics?
A. They recognize when antibiotics enter the body and go dormant
to evade being attacked.
B. They have alternate ribosomal sites for protein synthesis.
C. They have become completely immune to the antibiotics.
Answers
They have become completely immune to the antibiotics is not an adaptation that bacteria have evolved to survive antibiotics.
What are Antibiotics?These are substances which inhibit the growth of bacteria through different mechanisms.
This is done through mutation in which there are alternate ribosomal sites for protein synthesis or being dormant.
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Answer: A
Explanation:
Pls answer pls help me
Answers
Many living organisms are adapted to specific temperatures. This is an example of which characteristic of life?
a. use of energy
b. reproductive ability
c. growth and development
d. maintaining homeostasis
Answers
Answer:
The answer is C growth and development
What is the relationship between matter and energy?
Answers
The typing of human blood is determined by three alleles: A, B, and O. Alleles A and B are codominant to one another and O is recessive to both alleles, A and B.
AA/ AO – type A blood, AB – type AB blood, BB/ BO – type B blood, OO – type O blood.
A woman who is homozygous for type B blood marries a man who is heterozygous for type A.
What is the genotype ratio of their offspring?
What is the phenotype ratio of their offspring?
Answers
Answer:
genotype ratio = 1AB:1BO
phenotype ratio = 1 type AB blood: 1 type B blood
Bill was really ill. he had salmonella food poisoning, which means he had __________, abdominal cramps, headache, vomiting, and diarrhoea. what main symptom of salmonella is missing from the list?
Answers
Answer:
Fever
Explanation:
Symptoms can last for seven days
Six hours to six days after infection, symptoms typically appear and continue for four to seven days. On the other hand, some people feel symptoms for a few weeks after infection, while others do not.
What cause salmonella to food poisoning?Infection with salmonella is typically brought on by ingesting raw or undercooked meat, poultry, eggs, or egg products, as well as by consuming unpasteurized milk.
The incubation period—also referred to as the latency period—can last anywhere from six hours to six days.
In addition to causing diarrhea, the acute inflammatory reaction can result in mucosal damage and ulceration. The germs have the potential to spread from the intestines and result in systemic illness.
Diarrhea, fever, and cramps are the most common symptoms of Salmonella infection.
Therefore, Symptoms can last for seven days.
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Blood pumps through arteries due to contraction of the arterial walls but flows more freely through veins because there is little to no contraction. Based on this information, which would you expect to be present in higher quantities in arteries than in veins
Answers
Excitable cells like those found in muscle tissue are expected to be present in higher quantities in arteries than in veins.
What are Excitable cells?Excitable cells are defined as those cells that are capable of generating electrical impulses when stimulated. Example of such cells include:
Neurons,muscle cells( smooth, skeletal and cardiac)Endocrine cells.The artery is made up of higher amount of smooth muscles than the veins therefore, excitable cells like those found in muscle tissue are expected to be present in higher quantities in arteries than in veins.
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Why is the action of phagocytes considered a nonspecific response? it does not occur at any specific temperature. it is not involved with the production of any specific type of lymphocyte. it does not respond to any specific type of hormone. it is not a response to a specific type of pathogen.
Answers
The action of phagocytes is considered a nonspecific response because it is not a response to a specific type of pathogen. Thus, the correct option is D.
What are Phagocytes?Phagocytes may be defined as a type of cell that swallows and consumes foreign materials, or any microorganisms or their debris and eliminates it.
Phagocytes perform a process known as phagocytosis to engulf non-self agents and destroy them completely. It is non-specific because they usually give the same response to all kinds of antigens.
Therefore, the correct option for this question is D.
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Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal
because it has always been observed to be true?
O theory
O probability
Olaw
Ohypothesis
Answers
I think it's theory
Please give brainliest
A scientific law is a factual claim that is commonly acknowledged to be true or universal because it has consistently been seen to be true.
Thus, Only a law among the alternatives is acknowledged as being universal.
After several years of experiments, a finding is recognized as a law. It must demonstrate its universality in order to be regarded as such at any time and in any location on Earth.
A theory is merely the best explanation for a fact, and it can be abandoned when a better one emerges. As a result, it is impossible to predict how long a theory will last.
Thus, A scientific law is a factual claim that is commonly acknowledged to be true or universal because it has consistently been seen to be true.
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Gram per gram, ______ provide the most calories. group of answer choices alcohol proteins lipids carbohydrates
Answers
Gram per gram, lipids provide the most calories. group of answer choices alcohol proteins lipids carbohydrates. Thus, the correct option is C.
What is lipids?A lipid is defined as any of a number of chemical molecules that are water insoluble. They are energy-storage molecules and chemical messengers that include fats, waxes, oils, hormones, and some membrane components.
Lipids are fats that offer nine calories per gram to the body, making them the most energy-dense component of food.
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Juan measured the temperature of salt water. He then added 273 to the measured value. Which temperature conversion is Juan most likely doing?
degrees Celsius to degrees Fahrenheit
degrees Celsius to kelvins
kelvins to degrees Celsius
degrees Fahrenheit to degrees Celsius
Answers
Answer: B
Explanation: Degrees Celsius to kelvins
Answer:
Celsius to Kelvin
How do the sizes of the degrees compare between the Celsius scale and the Kelvin scale?The Celsius and Kelvin scales have the same size degree, but have different 'zero' or starting points. The freezing point for water is C and 273 in the Kelvin scale.
State 2 features each viruses have in common with non living things
Answers
Answer:
1. Viruses are unable to respire
2. Viruses are unable to excrete
Explanation:
Both respiration and excretion are essential parts of the life processes of living organisms. Viruses, however, are unable to perform these processes and are therefore considered non-living.
label the structure of a plant cell ( worksheet is due after 5 days )
Answers
Answer:
Explanation:
A)Vacuole
B)Cell wall
C)Endoplasmic reticulum
D)Nucleus
E)Ribosomes (ig)
F)Chloroplasts
G)Golgi apparatus
Jada wants to eat a meal that will sustain her energy during a long run. Which of these food items is the best source of long-term energy?
grape juice
sugar cookie
baked potato
strawberries
Answers
Answer:
Baked Potato
Explanation:
since the potato contains a high amount of carbohydrates
at about 37 grams
hope this helps:)
We call it ________________ when the nucleus divides into two identical _____________________.
Answers
Answer:
Mitosis, Daughter Cells
Explanation:
Mitosis is the process in which a eukaryotic cell nucleus splits in two, followed by division of the parent cell into two daughter cells. The word "mitosis" means "threads," and it refers to the threadlike appearance of chromosomes as the cell prepares to divide.
In photosynthesis what is released as a waste product.
Answers
Answer:
Oxygen and Glucose
Explanation
CO2+H20-------->C6H1206+6O2
PLEASE HURRY! WILL MARK BRAINLIEST
Answers
Answer:
Here is the ans hope it helps:)
Which animal is native to a different part of the world than the other two? walrus polar bear penguin.
Answers
Penguin is an animal that is native to a different part of the world other than the other two
What is native species?Native species refers to species of organisms that of a particular origin. They are organism found in a location where they are native to or have there origin there .
Therefore, Penguin is an animal that is native to a different part of the world other than the other two
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Rosalind Franklin used what technique in her study of DNA molecules?
Answers
Answer: Rosalind Franklin used X-ray crystallography in her study of the DNA Molecules.
Which is the reason cells divide
Answers
Answer:
Cells devide because in order to meet the requirements of the body.
The body need to grow and every part of a body needs cells for their functions.
By the end of the first week following conception, the fertilized egg now has approximately 100 cells and is known as the ____________.
Answers
Answer:
blastocyst
Explanation:
blastocyst is a rapidly dividing ball of cells.
By the end of the first week following conception, the fertilized egg now has approximately 100 cells and is known as the blastocyst.
What is cell?
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore,by the end of the first week following conception, the fertilized egg now has approximately 100 cells and is known as the blastocyst.
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Mushroom and yeast are called saprophytes
Answers
Answer:
they are a fungus or plural they are a fungi or funguses
Fish populations in some areas of the ocean have been exhausted by overfishing. This has caused ecosystems to become imbalanced and species to become endangered. The diagram below breaks the ocean's total fish population into three categories—species declining in population (overfished), species growing in population (moderately fished), and species with stable population (fully fished). The graph shows the percentage of the total fish population represented by each category for various years between 1974 to 2000. For example, in 1974, 51% of the population was fully fished, 39% was moderately fished, and 10% was overfished. What can be said about the trend in fish populations between 1974 and 2000? A. The percentage of the total fish population that is fully fished decreased by 18%. B. The percentage of the total fish population that is overfished increased by 18%. C. The percentage of the total fish population that is moderately fished increased by 18%. D. The percentage of the total fish population that is overfished decreased by 18%. Reset Submit
Answers
The image is NOT found here but fish overexploitation may even lead to the extinction of the total fish population.
What is fish overexploitation?The expression fish overexploitation is associated with the unresponsible use of fish resources (not only for consumption).
Fish overexploitation is a serious problem and it may lead to the disappearance of fish populations (even extinction).
In conclusion, the image is NOT found here but fish overexploitation may even lead to the extinction of the total fish population.
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Should scientific laws be considered 100 % reliable ? Explain .
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Answer:
Not always. We are constantly learning more and more about the universe, and what we find is forever changing. these scientific laws could change at a moment's notice. While they are reliable, you shouldn't trust anything 100% all the time.
Which of the following is NOT an adaptation of the
parasitic tapeworm?
A. No digestive system because food is already digested.
B. Hooks to hang onto host intestine.
C. Fangs to pierce intestine wall and absorb nutrients.
D. Mucus for protection from being digested.
Answers
which one is a organic molecule .
Answers
option c is the right answer please mark me as brainlist
Answer:
Ch4 is a organic molecule.