The ways in which the rainforests have been devastated is Logging, Mining or deforestation for animal agriculture.
The Rainforest is an area of greenery with high amounts of rainfall. This offers a home for the thousands of animal and plant species, but it also contributes significantly to stopping climate change.
In the Rainforest, The use of pesticides and fertilisers have an impact on the local wildlife, plant species, and Indigenous people in the area, in addition to the problems brought on by the removal of such extensive portions of the rainforest.
The native animals, vegetation, and human population all suffer as a result of devastation.
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Many scientists oppose offshore drilling. Since the 1970s there have been several devastating oil spills as a result of oil exploration and drilling: Ixtoc, Exxon Valdez and, most recently, the Deepwater Horizon blowout off the coast of Louisiana. Ecosystems may survive, and some may eventually recover from such oil spills. But the overall effects are far reaching and long lasting. Scientists still see the effects of the toxic spill on the crab populations in surrounding wetlands. Others argue that the effects of not drilling are just as harmful. But, rather than ecosystems, it harms the economy. If we can drill our way out of poverty, then we owe it to ourselves to do so. In addition to this, it is put forth that reliance on foreign oil leads to the entrenchment of hostile regimes in oil rich regions. Extensive research along the Gulf Shore has uncovered a rise in cancer rates directly linked to consumption of seafood contaminated by the Deepwater Horizon blowout. How are the pro-drilling and anti-drilling arguments affected by this discovery?
A It weakens the anti-drilling argument and weakens the pro-drilling argument
B It is impossible to say how this evidence will impact either argument.
C It supports the anti-drilling argument.
D It supports the pro-drilling argument.
Offshore drilling, in actuality, carries significantly greater environmental danger than benefit. Utilizing these fuels and burning them results in significant carbon emissions and climate change. Thus, option B is correct.
What are the causes of offshore drilling?The impacts and dangers of human offshore oil and gas development, which include extensive onshore habitat loss.
Frequent oil spills, the release of toxic drilling muds, a potentially catastrophic oil spill, and direct harm to marine mammals during exploration, are in no way comparable to the seepage of tar that occurs naturally.
Therefore, The majority of accidents involving offshore oil rigs are caused by blowouts. Natural calamities continue to be a risk, but faulty machinery and structural flaws are a key factor in drilling rig mishaps.
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Let's say you are investigating the transfer of energy through a food chain and 1,000 Energy Units from the Sun are hitting a leaf. The leaf is eaten by a caterpillar. The caterpillar is eaten by a robin. The robin is eaten by a snake. The snake is eaten by a hawk. If you start with the 1,000 Energy Units, how much energy is available for the hawk? Hint: The answer is not 0.01, the answer is much smaller and doesn't end in a 1. Explain how you determined your answer.
Answer:
In a food chain, energy is not perfectly transferred from one organism to another, some energy is lost as heat and waste. A rough estimate is that about 10% of the energy is passed on to the next level. So, for each stage in the food chain, only 10% of the energy is available for the next level.
Starting from the leaf, which receives 1,000 Energy Units from the Sun, the caterpillar would receive 10% of this amount, or 100 Energy Units. Then, the robin would receive 10% of the caterpillar's energy, or 10 Energy Units. The snake would receive 10 Energy Units, and finally, the hawk would receive 1 Energy Unit.
So, the answer is that only 1 Energy Unit is available for the hawk. This is a much smaller amount compared to the initial 1,000 Energy Units, as a result of the energy losses through the food chain.
Explanation:
tell me if you still confuse
ALLEN
1,000 energy units from the sun are hitting a leaf, the leaf is eaten by a caterpillar, the caterpillar is eaten by a robin, the robin is eaten by a snake, the snake is eaten by a hawk, and the hawk has 0.1 percent of energy.
What is the energy transfer in the food chain?In this food chain, the energy from the sun is first absorbed by the leaf, and only 10% of the energy is transferred from the leaf to the caterpillar when it is eaten, so the caterpillar has 100 kcal as it is 10% of 1000. The robin would only receive 10 energy units, the snake would have 1 energy unit, and the hawk would get 0.1 as the hawk has the lowest energy level in the food chain.
As a result, the hawk has 0.1 percent of the sun's energy because 1,000 energy units hit a leaf before reaching the hawk.
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How does the medulla respond when the body's blood pH is too high?
A. It sends signals to the blood vessels to dilate.
B. It sends signals to the skeletal muscles to increase their activity.
C. It sends signals to the stomach to digest more food.
D. It sends signals to the lungs to decrease the breathing rate.
Which reactions below are condensation reactions? Select all that
apply.
Deoxyribonucleic acid → five-carbon sugar + phosphate group + nitrogen base
Glucose + fructose sucrose
4 of 8 QUESTION
Lysine (amino acid) + serine (amino acid) + glycine (amino acid) → polypeptide
Triglyceride three fatty acids + glycerol
Answer:
The reactions that are condensation reactions are:
Deoxyribonucleic acid → five-carbon sugar + phosphate group + nitrogen baseGlucose + fructose → sucroseLysine (amino acid) + serine (amino acid) + glycine (amino acid) → polypeptideExplanation:
In a condensation reaction, two molecules combine to form a larger molecule, and a smaller molecule, such as water, is released as a by-product.
3. Which salt concentration would you expect an obligate, extreme halophile to grow the best in?
Extreme halophiles (growing best in media containing 2.5-5.2 M salt), borderline extreme halophiles (growing best in media containing 1.5-4.0 M salt), moderate halophiles (growing best in media containing 0.5-2.5 M salt), and halotolerant microorganisms that do not show an absolute requirement for salt for growth but grow well up to frequently very high salt concentrations are the categories of halophilic organisms that are distinguished by the accepted theory [6]. (considered extremely halotolerant if the growth range extends above 2.5 M salt).
what is halophile ?The word "halophile" comes from the Greek for "salt-loving," and refers to an extremeophile that can survive in environments with a lot of salt. While the majority of halophiles fall within the category Archaea, there are also several bacterial and eukaryotic species that are halophiles, like the alga Dunaliella salina and the fungus Wallemia ichthyophaga.
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suggest any two contraceptive methods to control the size of human population and explain them
Indicate the expected number of Barr bodies in interphase cells of individuals with the following karyotypes.1. 46 XY
2. 45 XO (Turner's syndrome)
3. 47 XXX
4. 48 XXYY
The expected number of Barr bodies in interphase cells of individuals with the following karyotypes: In 46 XY Barr bodies is 0, In 45 XO Barr bodies is 1, In 47 XXX Barr bodies is 2, and In 48 XXYY Barr bodies is 1.
Barr bodies are inactivated X chromosomes found in female mammals. The number of Barr bodies in interphase cells depends on the number of X chromosomes in the cell.
46 XY: This is the normal male karyotype, which has one X chromosome and one Y chromosome. Since males only have one X chromosome, they do not have Barr bodies in their interphase cells. The expected number of Barr bodies in this karyotype is 0.
45 XO (Turner's syndrome): This karyotype is a female with only one X chromosome. In this case, the single X chromosome will become the Barr body. The expected number of Barr bodies in this karyotype is 1.
47 XXX: This karyotype is a female with three X chromosomes. In this case, two of the X chromosomes will become Barr bodies, and one will remain active. The expected number of Barr bodies in this karyotype is 2.
48 XXYY: This karyotype is a male with two X chromosomes and two Y chromosomes. Since males only need one X chromosome, one of the X chromosomes will be inactivated and become a Barr body. The expected number of Barr bodies in this karyotype is 1.
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whats the chromosomes ?
Answer:
In humans we have total 46 chromosomes out of which 44 are know as autosomes and rest last pair are termed as sex chromosomes. the last pairs are different in male and in female .
in female it is XX and in male it is XY
Explanation:
the last two pairs also helps in the determination of the gender of the child .
LIKE (the image) .
Which phrase best describes scientific inquiry?
The various ways that scientists explore the natural world and put forth explanations based on the data they gather are referred to as scientific inquiry.
what scientific inquiry?Models of scientific inquiry serve two purposes: first, they describe how scientific inquiry is conducted in practice; and second, they offer an explanation of why scientific inquiry appears to be so successful in acquiring true information or People can better understand observable events by using scientific inquiry as a tool for questioning and problem-solving.
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Using the template in the space provided for your response, construct an appropriately labeled graph that represents the data shown in table 1. based on the data, determine whether there is a statistical difference in the length of fin I between the groups of fish in slowly moving water and rapidly moving water
function of venules in a leaf
In a leaf, veins serve several important functions, including:
1 Transport of water and nutrients: Venules carry water and nutrients from the roots to the rest of the plant, including the leaves.
2 Structural support: Venules provide structural support to the leaf, allowing it to maintain its shape and stability.
3 Photosynthesis: Venules supply the chloroplasts in the mesophyll cells with the water and nutrients they need to carry out photosynthesis, the process by which plants convert light energy into chemical energy.
4 Regulating water balance: Venules help regulate water balance in the plant by controlling the flow of water in and out of the leaf.
5 Temperature regulation: Venules also help regulate the temperature of the leaf, as the movement of water through the veins can help dissipate heat.
Overall, venules play a crucial role in supporting the overall health and function of a leaf, and by extension, the entire plant.
Chaz and Bev both have heterozygous genotypes for their tongues
If Chaz and Bev both have heterozygous genotypes (Rr) for their tongues rolling, if they crossed with each other, the possible genotypes of their offspring are RR, Rr, Rr, and rr.
What is a genotype?Genotype may be characterized as the ultimate combination of alleles of those genes which are significantly studied for specific objectives in order to determine traits based on that.
A person with the Rr genotype for tongue rolling would be capable to roll his or her tongue, because he or she has the dominant allele that allows tongue rolling. So “tongue rolling” is his or her phenotype.
The phenotype of the offspring would certainly depend on the genotypes on the basis of their parental attributes. If both parents are heterozygous for any trait, their offspring would show dominant, recessive, and heterozygous genotypes.
Therefore, if Chaz and Bev both have heterozygous genotypes (Rr) for their tongues rolling, if they crossed with each other, the possible genotypes of their offspring are RR, Rr, Rr, and rr.
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Your question seems incomplete. The most probable complete question is as follows:
Chaz and Bev both have heterozygous genotypes for their tongues rolling, if they crossed with each other, what are the probable genotypes of their offspring?
What causes the urge to defecate?
Question 11 options:
a stretched rectum
dehydration in the small intestine
muscle movement in the ascending colon
contractions in the ileum
Answer:
a stretched rectum
Explanation:
The urge to defecate is caused by the stretching of the rectum. The rectum is the last part of the large intestine and it is where feces are stored until a person has a bowel movement.
When the rectum is stretched by the accumulation of feces, the muscles in the rectum walls contract, creating an urge to defecate. This is known as the gastrocolic reflex, and it is the body's way of signaling that it is time to have a bowel movement.
The stretching of the rectum stimulates the nerves in the rectal walls, which then send a signal to the brain to initiate the urge to defecate. The contractions of the rectum also help to move the feces towards the anus, which makes it easier to pass them out of the body.
It is important to regularly have bowel movements to prevent the accumulation of feces in the rectum and maintain good digestive health.
What were the gases used to create earths primitive oceans and what were the contents of the liquid pool after the experiment ran for a week
The gases used to create Earth's primitive oceans are methane, ammonia, water vapor, and hydrogen. The contents of the liquid pool after the experiment are variety of organic compounds.
What are gases?
Gases are a form of matter consisting of particles that have no definite shape or volume but occupy the entire space they are contained in. Gases are made up of atoms or molecules that are in constant motion and can move in any direction. Examples of gases include air, helium, hydrogen, nitrogen, and oxygen.
The Miller-Urey experiment was designed to simulate the conditions that may have existed on the early Earth, where the atmosphere was thought to have been rich in gases like methane, ammonia, water vapor, and hydrogen. These gases were used to create Earth's primitive oceans in the experiment. In the experiment, the gases were placed in a closed system, and an electric spark was used to simulate lightning, which was believed to have been abundant on the early Earth. After running the experiment for a week, the liquid pool contained a variety of organic compounds, including amino acids, which are the building blocks of proteins.
Therefore, methane, ammonia, water vapor, and hydrogen are used to create Earth's primitive oceans.
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Increasing the external magnetic field strength ___ the energy gap between spin states and therefore ___ the frequency required for resonance.
Increasing the external magnetic field strength increase the energy gap between spin states and therefore increase the frequency required for resonance.
With increasing applied field, the energy gap between the two spin states widens. When electromagnetic radiation is at resonance with the processional frequency, resonance is achieved. The amount of magnetic field used alters the amount of energy needed and resonance frequency. The energy difference between the spin states grows as the magnetic field strength does, increasing the frequency in turn.
The frequency necessary for resonance rises when the energy difference between spin states widens due to an increase in the intensity of the produced magnetic field.
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Which of the following statements is not true?
A. Proteins can assemble into filaments, sheets, and spheres.
B. The amino acid sequence illustrates the primary structure of proteins.
C. The first step in the purification of most proteins is to disrupt tissues and cells.
D. The protein domain is defined as any segment of a polypeptide chain that can fold independently into a compact stable structure.
The first step in the purification of most proteins is to disrupt tissues and cells.
Describe primary structure of protein.
The primary structure of a protein is thought to be its linear amino acid sequence. Only twenty different amino acids, each with a distinct side chain, make up proteins. Different chemistries can be found in the side chains of amino acids. The majority of amino acids have side chains that are nonpolar.
Any portion of a polypeptide chain that can independently fold into a small, stable structure creates the protein domain. A domain is the modular building block from which many larger proteins are assembled. A domain typically has between 40 and 350 amino acids.
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Question 24 of 30
Which of the following best represents a simple food chain?
A. Producer → primary consumer → secondary consumer
B. Primary consumer → secondary consumer → producer
C. Producer → secondary consumer → primary consumer
D. Secondary consumer primary consumer → producer
SUBMit
"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.
What is a food chain?A food chain is a network of links in a food web that runs in a straight line from producer organisms to apex predators, detritivores, or decomposer species.
A food chain also demonstrates how organisms are connected to one another by the foods they consume. A food chain's levels correspond to several trophic levels.
"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.
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What are properties of mitochondrial genetics and mitochondrial inheritance?
Answer:
Unlike nuclear genes, which are inherited from both parents, mitochondrial genes are inherited only from the mother. If there is a mutation in a mitochondrial gene, it is passed from a mother to all of her children; sons will not pass it on, but daughters will pass it on to all of their children, and so on.
You have discovered a bacteria, and obtained a pure culture. Your analysis reveals remnants of a large number of OpmF molecules as well as molecules appearing to be disaccharides of glucoseamine with attached fatty acids. Test for H antigen was positive, but no flagella were visualized, even after the application of a mordant. you also find N-acetlyMuramic Acid linked to Glucosamine with a Beta1,4 linkage. Testing reveal that the bacteria was motile. DESCRIBE this bacteria in terms of the Gram reaction you expect. In addition, describe the molecular structure of the typical cell wall expected (be detailed, as detailed as the text in describing the cell wall!). WHAT type of motility structure do you suspect and why can't it be visualized?
Based on the presence of OpmF molecules and disaccharides of glucosamine with attached fatty acids, a positive H antigen test, and N-acetylMuramic Acid linked to Glucosamine with a Beta1,4 linkage are given.
The bacteria is expected to be Gram-negative with a typical cell wall structure containing lipopolysaccharides and porins. The bacteria are likely to have peritrichous flagella, which cannot be visualized due to their small size and lack of a mordant.
The presence of OpmF molecules and disaccharides of glucoseamine with attached fatty acids, as well as a positive H antigen test, suggest that the bacteria is likely to have a Gram-negative cell wall structure. This is because Gram-negative bacteria have a unique outer membrane that contains lipopolysaccharides and porins, which are large protein channels such as OpmF that allow the passage of certain molecules.
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what is holoendemic and examples of diseases under it
Holoendemic is a kind of disease in which affects majority of people in a population are affected by this type of endemic sickness. Early in life, this infection is extremely common. As opposed to youngsters, adults do not exhibit disease signs as frequently.
Hepatitis B in parts of the Marquesas Islands and ocular trachoma in several regions of sub-Saharan Africa, where almost all children in those groups have been infected are examples of holoendemic disease.
more examples of holoendemic diseasesMalaria: A parasite transmitted by mosquitoes that affects millions of people in Africa, Asia, and South America.
Chagas disease: A parasitic disease caused by the Trypanosoma cruzi parasite that is found in Latin America and affects millions of people.
Schistosomiasis: A parasitic disease caused by a type of flatworm that affects millions of people in sub-Saharan Africa, South America, and Southeast Asia.
Dengue fever: A viral disease transmitted by mosquitoes that affects hundreds of millions of people in tropical and subtropical regions.
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Write out a summary that will go with your model to explain what it is showing. Remember that this should be scientifically accurate, but it's an explanation for elementary school students. Your summary should include:
Position and motion of the solar system (You did this in the Module 2 Check Your Learning activity! Modify your formal explanation for a younger audience.)
How the universe was formed through the Big Bang Theory (You did this in the Module 1 Check Your Learning activity! Modify your formal explanation for a younger audience.)
The planets orbit the Sun in the same plane and the Big Bang Theory states an explosion of space, marked the beginning of our cosmos.
What is Big Bang Theory?The galactic plane and the planetary orbital plane form a roughly 60° angle as the Solar System travels through the galaxy.
As it circles around the Milky Way, the Sun appears to move up and down and in and out of the galaxy.
The Big Bang, an explosion of space, marked the beginning of our cosmos. Space expanded, the cosmos cooled, and the basic elements emerged from a very high density and temperature starting point.
The first stars and galaxies were created as a result of the slow gathering of stuff by gravity.
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PLEASE ANSWER I NEEDED THIS DONE A WEEK AGO
There is the conservation matter and energy in photosynthesis.
How do we show that matter and energy are conserved during photosynthesis?The conservation of matter and energy can be demonstrated in photosynthesis by considering the mass of reactants and products and the amount of energy involved in the reaction.
The total mass of the reactants (carbon dioxide and water) is equal to the total mass of the products (glucose and oxygen). This demonstrates that the total amount of matter in the system remains constant, as required by the law of conservation of mass.
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What are the labels of this heart diagram
Labels of the heart diagram is given in the attachment hope it helps you
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Question 4 of 10
A scientist performed an experiment to learn how the thickness of a piece of
wood affects its ability to support weight without breaking. The scientist
prepared three different pieces of wood and applied weight until they broke.
What is the responding variable in this experiment?
OA. The breaking weight
OB. The number of pieces of wood
O C. The type of scale used to measure the weight
O D. The thickness of the wood
The responding variable in this experiment is the breaking weight.
The correct option is A.
What is a responding variable in an experiment?In an experiment, a responding variable, also known as a dependent variable, is a variable that is measured or observed to determine the effect of the independent variable. The value of the responding variable may change as a result of changes in the independent variable.
For example, in an experiment to learn how the thickness of a piece of
wood affects its ability to support the weight without breaking. The scientist prepared three different pieces of wood and applied weight until they broke, the responding variable is the breaking weight.
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Construct an argument supported by evidence as to how the increase in human population and per capita consumption of natural resources has affected Earth’s systems.
The increase in human population and per capita consumption of natural resources has had significant impacts on Earth's systems. Here is an argument supported by evidence highlighting these effects:
Climate Change: The rise in human population and increased consumption of fossil fuels for energy production, transportation, and industrial activities have resulted in higher greenhouse gas emissions. This has led to the accumulation of carbon dioxide and other greenhouse gases in the atmosphere, contributing to global warming and climate change.Deforestation and Habitat Loss: The growing demand for agricultural land, timber, and urbanization has driven extensive deforestation worldwide. Forests are crucial for carbon sequestration, biodiversity conservation, and regulating local and regional climate patterns. Water Scarcity and Pollution: As the global population increases, so does the demand for freshwater resources. Agriculture, industry, and domestic use place immense pressure on water sources. Over-extraction, pollution from industrial and agricultural activities, and inadequate water management practices have resulted in water scarcity in many regions. Biodiversity Loss and Ecosystem Disruption: The expansion of human settlements, infrastructure development, and resource extraction have led to habitat destruction, fragmentation, and loss of biodiversity. Species extinction rates are now estimated to be 100 to 1,000 times higher than the natural background rate. functions, threatening the stability and resilience of Earth's systems.Pollution and Waste Generation: The increase in population and consumption has resulted in the generation of vast amounts of waste, including plastics, electronic waste, and hazardous materials. Improper waste management practices contribute to pollution of air, water bodies, and soil, negatively impacting ecosystems and human health.These examples illustrate the profound effects of the increase in human population and per capita consumption on Earth's systems. The evidence supports the urgent need for sustainable practices, resource conservation, and a transition to cleaner energy sources to mitigate further damage and ensure the long-term well-being of our planet.
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The enzyme _____forms a Schiff base upon formation of the enzyme-substrate complex allowing aspartate mediated cleavage of the substrate.Entry field with correct answera. hexokinaseb. phosphoc. glucose isomerased. glucose-6-phosphatasee. phosphoglucose mutasef. aldolase
The enzyme aldolase forms a Schiff base upon formation of the enzyme-substrate complex allowing aspartate mediated cleavage of the substrate.
Aldolase is a cytosolic enzyme involved in glucose and fructose metabolism. It specifically catalyzes a reversible reaction converting fructose-1,6-bisphosphate to dihydroxyacetone phosphate (DHAP) and glyceraldehyde-3-phosphate. This enzyme acts on her six reversible reactions in gluconeogenesis and glycolysis. Aldolase is a glycolytic enzyme that catalyzes the conversion of fructose-1-6-diphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate via the glycolytic pathway. Within cells, aldolase is localized in both the cytoplasm and the nucleus.
Fructose-1,6-bisphosphate aldolase (FBPA) is a glycolytic enzyme that catalyses the reversible cleavage of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. The catalysis of class I FBPAs to form Schiff bases relies on a series of intermediates covalently attached to the catalytic lysine.
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PLEASE HELP ME!!?!?!?!???
Answer:
The stripe winged beetle will increase in population because they camouflage with their surroundings, whilst the black beetle will decrease because they stand out in their environment.
The most common reason that introduced species cause trouble is because they are larger than native species. True or False
The fact that introduced species can result in biological exponential multiplication does not mean that they are a threat to biodiversity.
Biodiversity is defined as the variety of all living things, including various plants, animals, and microorganisms. It is often investigated at three levels: genetic diversity, species diversity, and ecological diversity. We cannot have healthy ecosystems, which we rely on to provide the air we breathe and the food we consume, without a variety of animals, plants, and bacteria. One reason why introduced species are a hazard to biodiversity is that they have the potential to become invasive species that supplant native species and prey on native species, causing unnatural reductions in native species populations. Even if imported species have the potential to multiply biologically exponentially, this does not necessarily entail that they endanger biodiversity.
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How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension ability:
short and long distance? (1 point)
O The proportion of tortoises with the ability to extend their necks a long distance would increase.
O The variety of tortoises with the ability to extend their necks a long distance would go extinct.
O The variety of tortoises that could only extend their necks a short distance would go extinct.
O The proportion of tortoises that could only extend their necks a short distance would increase.
Reducing low-growing plants from an area will impact a population of tortoises with two varieties of neck extension ability:short and long distance such that the proportion of tortoises that could only extend their necks a short distance would increase which is therefore denoted as option D.
What is a Population?This is used to refer to the number of people in a single area at a given point in time.
Reducing low-growing plants from an area will lead to a proportion of tortoises that could only extend their necks a short distance increasing due to natural selection which would occur.
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What are the labels of this heart diagram?
The heart is a muscle that pumps blood to different parts of the organism. From the left to the right, labels are Right atrium, Muscle wall - myocardium, Septum, Right ventricle, Left ventricle, Tricuspide valve, Bicuspid valve, Left atrium, Aortic semi-lunar valve, Pulmonary semi-lunar valve.
What are the parts of the heart?The heart is a muscle composed of four cameras
2 ventricles2 atriumsA septum divides the two ventricles and another septum separates the two atriums.
When the heart contracts it sends blood. This contraction can occur in the ventricle or the atrium. It is called Systole.
Atrial contraction occurs first and is followed by ventricular contraction.
During contraction, blood is ejected from the atrium to the ventricles. Then, from the ventricles to the arteries (pulmonary or aorta).
When the heart relaxes blood enters the cavities. It is called diastole. New blood enters and fills first the atrium and then the ventricles again. And the cycle begins all over again.
Steps
1)
Deoxygenated blood returns from the body tissues through the superior cava vein (SCV) or inferior cava vein (IVC).
This blood enters the heart's right atrium (RA), which is the right superior cavity.
2)
Once in the right atrium, blood flows through the tricuspid valve (TV), to the right ventricle (RV), which is the right inferior cavity.
3)
From the right ventricle, the heart pumps blood into the principal pulmonary artery (PPA), through the pulmonary valve (PV).
4)
The pulmonary artery (PPA) takes deoxygenated blood to the lungs, where gas interchange is produced.
5)
Oxygenated blood goes from the lungs to the heart's left atrium (LA), which is the superior left cavity, through the pulmonary veins.
6)
From there, blood flows to the left ventricle (LV), which is the left inferior cavity, through the mitral valve.
7)
Finally, oxygenated blood goes from this last ventricle to the aorta (A) through the aortic valve. And from the aorta oxygenated blood moves to the rest of the body tissues.
Note: Usually, oxygenated blood is represented in red, while deoxygenated blood is represented in blue.
Image (from the left to the right):
Right atriumMuscle wall - myocardiumSeptumRight ventricleLeft ventricleTricuspide valveBicuspid valveLeft atriumAortic semi-lunar valvePulmonary semi-lunar valveYou can learn more about the heart parts at
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