What factor determines the rate of exchange of oxygen between the alveolus and blood capillaries

Answer:
A universal common ancestor (UCA).

Explanation:
According to Darwin, all life on Earth evolved from a universal common ancestor; that is, the very first organism on Earth. If you pick any living plant or animal on Earth and trace its lineage back far enough, billions of years ago, you will eventually find the UCA. Every species on Earth is united to every other species through their connection with the UCA.

The UCA itself was probably a single-celled organism of some kind and died about 4.1 billion years ago. But through it, every species, be it human, dog, tree, or mushroom, shares this one ancestor with everyone else.

Species also have what's called a lowest common ancestor with each other, much more recent than the UCA. For example, the LCA between humans and chimpanzees probably lived and died around 4 million years ago.

Answer:

A consumer of energy

Explanation:

The conducting zone of the respiratory system is a series of interconnected cavities and tubes outside and inside the lungs that filter, warm, humidify, and direct air to the lungs.

The respiratory system functionally he can be divided into two zones. The conducting zone (nose to bronchioles) provides the conduction pathway for inspired gases and the respiratory zone (alveolar ducts to alveoli) where gas exchange takes place.

The conducting zone consists of all structures that allow airways to enter and exit the lungs.

Nasal cavity, pharynx, trachea, bronchi, and most bronchioli. The conducting zone, which includes everything from the nose to the smallest bronchiole, allows air to enter and exit the lungs. The respiratory zone includes respiratory bronchioles and alveoli, which move breathing gases, oxygen and carbon dioxide, into and out of the blood.

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Answer:

The answer is Carbon-Fixing Reactions or Light Independent Reactions.

Explanation:

a) Emile used four tubes to compare the rate of respiration in woodlice and maggots for a more accurate and reliable comparison.

b) The three variables Emile needed to keep the same were temperature, amount of limewater, and time.

c) Results Table:

Tube      | Time (minutes)

--------------------------

Maggots A | 6

Maggots B | 6

Woodlice A| 8

Woodlice B| 9

d) Emile can conclude that woodlice have a slower rate of respiration than maggots based on the longer time taken for the limewater to go cloudy.

a) Emile used four tubes in his experiment instead of two to have a comparison between woodlice and maggots.

By having multiple tubes for each organism, he can ensure that any differences observed in the rate of respiration are due to the organisms themselves and not variations in the experimental setup or conditions.

b) The three variables that Emile needed to keep the same in his experiment are:

1. Temperature: The temperature should be consistent throughout the experiment as it can affect the rate of respiration.

2. Amount of limewater: Emile needs to ensure that equal amounts of limewater are added to each test tube to maintain consistency.

3. Time: Emile needs to measure the time consistently for each tube to ensure accurate comparison of the rate of respiration.

c) Results Table:

Tube         | Time taken for limewater to go cloudy (minutes)

----------------------------------------------------------

Maggots A    | 6

Maggots B    | 6

Woodlice A   | 8

Woodlice B   | 9

d) Conclusion: Emile can conclude from his results that woodlice have a slower rate of respiration compared to maggots.

This conclusion is based on the observation that it took woodlice 8 to 9 minutes for the limewater to go cloudy, while maggots only took 6 minutes.

The difference in the time taken suggests that woodlice have a lower production of carbon dioxide, indicating a slower rate of respiration compared to maggots.

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Answer:

There are more but there is only one blank so,

The answer should be Organism (?)

Answer:

I disagree there are definetly more things that can up a country's GDP than killing off animals that are helpless and important to life itself there is no need be continously killing trees and destroying habitats. You can start more businesses or even try to find another source of GDP. But the simple truth is that it is wrong and unnessecary

Explanation:

brainiest plz

Answer:

A locus that shows a 100% association with fur color is known as the "Fur color gene." The Fur color gene is the gene responsible for determining the color of an organism's fur, hair, or skin. Mutations in this gene can lead to variations in fur color. For example, in mice, the agouti gene is located on chromosome 2 and is responsible for determining the color of the mouse's fur. The presence of a dominant form of the agouti gene results in a yellow coat color, while the recessive form of the agouti gene produces a black coat color.

Answer:

I believe it is receptors

background info:

Digestive system in animals is an important system in the context of digestion of ingested food into simpler forms that could be easily absorbed by the body cells.

This provides all the essential compounds needed by the body for the existence and development of the living organism. Different digestive systems have evolved according to different species, their feeding patterns, and their habitats.

answer:

Ruminant species survive only on plant matter. They are herbivorous animals.

Therefore, the digestive system of ruminants is evolved with the presence of a rumen which is a complex stomach with four different compartments.

Humans are omnivorous who depend on plant and animal matter both thus, their digestive system composes of one stomach.

This is the key difference between digestion of humans and ruminants.

hope this helped

Answer:The primary difference is that ruminants have modified their stomach into multiple compartments in order to host a very vibrant and diverse community of microorganisms. Some of these microorganisms are able to digest cellulose and produce volatile fatty acids. These volatile fatty acids are used as a source of energy by the ruminant. Propionate - a volatile fatty acid, is the only volatile fatty acid used for gluconeogenesis.

The rumimal microbe community also provides other nutrients as well but is mostly known for its role in cellulose digestion.

Ruminants have also evolved the ability to bring up a small ball of feed from their rumen to their mouth. They then masticate (chew) this ball to breakdown the fibrous material. This ability is commonly referred to as “chewing their cud” or ruminating. hope this helps have a bless day❤️❤️

Explanation:

Neurotransmitters carry impulses across the synapse between neurons. The synapse is a small gap that exists between two neurons. When an electrical impulse reaches the end of an axon (the long, slender part of a neuron), it triggers the release of neurotransmitters into the synapse.

These neurotransmitters then travel across the synapse to the dendrites (the short, branch-like structures of a neuron) of the neighboring neuron.

Once the neurotransmitters reach the dendrites, they bind to receptors on the surface of the dendrites, which causes an electrical impulse to be generated in the second neuron.

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Answer:

b) a fracture caused by shear stress

Explanation:

The relationship between climate change and the regularity of droughts in South Africa is complex but generally understood to be significant. Climate change, driven primarily by human activities such as the burning of fossil fuels and deforestation, is altering global weather patterns and contributing to shifts in precipitation patterns and increased temperatures.

In the case of South Africa, climate change has been associated with a higher frequency and intensity of drought events in certain regions. Here are some key points regarding their relationship:

Changing Rainfall Patterns: Climate change can lead to altered rainfall patterns, including changes in the timing, duration, and intensity of rainfall. South Africa's climate is characterized by regional variations, but overall, climate models suggest that the country will experience reduced average rainfall and increased variability. This can result in more frequent and severe droughts in some areas.

Increased Evaporation: Rising temperatures associated with climate change can increase evaporation rates, leading to drier soil conditions. This can exacerbate the impact of reduced rainfall and contribute to prolonged drought periods.

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Answer:it increases!

Explanation:

Answer:

it gets faster and shorter

Explanation:

Answer:

carbon dioxide statement is false

Answer: Macronutrients are a component of food that your body requires large amounts of support your survival.

Explanation: Macronutrients are nutrients that a person requires in large amounts. It provides energy. There are three types of macronutrients:

Macronutrients are the components of food that the body needs in large quantities to survive, including proteins, carbohydrates, and fats. They serve vital roles in growth, energy production, and nutrient absorption.

The components of food that your body requires large amounts of to support survival are known as macronutrients. These consist primarily of proteins, carbohydrates, and fats. Proteins are necessary as they help in growth and repair of body tissues. Carbohydrates act as the main source of energy for the body. Fats, on the other hand, provide a concentrated source of energy and aid in nutrient absorption.

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Answer:

rhizoids

Explanation:

structure that anchor a plant without transport issue to a surface.

Answer: infarct

Explanation:

Enzymes are a special type of protein that speeds up biological reactions. They accomplish this task as they

lower the activation energy of reactions.

what are enzymes?

They can be defined as biological polymers that catalyze biochemical reactions

What is activation energy?

Activation energy is defined as minimum amount of extra energy required by a reacting molecule to get converted into product

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Answer:

Explanation:Glucoce is a carbohydrate.

Vasoconstriction; their extremities will turn pale or blue as blood moves to the core of the body also their Sweating; the water released from their skin will evaporate.​

Vasoconstriction slows down the body's heat loss through the skin's blood vessels, warming the body. The body attempts to regain homeostasis as part of a negative feedback loop, which includes this action (maintaining a constant internal environment).

As an illustration, vasoconstriction causes the blood vessels to constrict and blood to move at a higher pressure in an effort to actively prevent a hypoxic reaction.

Your sweat glands produce perspiration when your hypothalamus feels that you are too hot, which helps to cool you off. The hypothalamus sends messages to your muscles to twitch in order to warm you up when it detects that you are too cold. Maintaining equilibrium is what we mean by this.

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Answer:

Explanation:

Hydrophobic (fat soluble) hormones like the steroid hormones do not attach to surface receptors. They break off from their blood transport proteins and then pass right through the cell and nuclear membranes attaching to receptors near or on specific regions of DNA (genes).

The definition of species is that the members are able to reproduce having viable offspring. Being a group of living organisms with similar characteristics and capable of exchanging genes and produce viable offspring.

Answer:

the cell would split in two and put 12 chromosomes in each daughter cell

Explanation:

Answer:

♡Hi darling!♡

-- The answer is protons and neutrons♡

Hope I could help!

~Clara

✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ *:･ﾟ✧*:･ﾟ✧✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ

Explanation:

Answer:

1.  To ensure continuity and preservation of genetic material

2.  Semi-conservative

3. DNA Polymerase: unzips the DNA strand

Helicase: unwinds dna strands

4. During the S stage of interphase

5. Nucleus

Explanation:

Increasing the applied voltage in a simulation corresponds to an increase in neuronal excitability in vivo.

Increasing the applied voltage in a simulation refers to the manipulation of the membrane potential of neurons. In vivo, this corresponds to various physiological and pathophysiological events that affect neuronal excitability. Neuronal excitability refers to the propensity of a neuron to generate an action potential in response to a stimulus.

In the context of the nervous system, changes in the membrane potential can occur due to a variety of factors such as synaptic inputs, neurotransmitter release, ion channel activity, or neuromodulatory influences. Increasing the applied voltage in a simulation replicates the effect of these factors by depolarizing the neuronal membrane.

By increasing the applied voltage, the threshold for action potential initiation is reduced, leading to a higher likelihood of generating action potentials. This increase in neuronal excitability can mimic conditions such as increased synaptic input, enhanced neurotransmitter release, or altered ion channel conductance.

Therefore, in vivo, an increase in neuronal excitability can be associated with various physiological processes such as learning and memory formation, sensory processing, or pathological conditions like epilepsy or hyperexcitability disorders.

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Answer: Answer: preventing water from being wasted due to leaks

Explanation:

Water loss control has to do with the efforts which involves managing leakage to low levels.

From the excerpt, we can infer from the information given that 14 percent of the water treated by water systems is lost due to leaks. Therefore, the phrase "water loss control" simply means how water loss will be minimize.

The phrase "water loss control" means preventing water from being wasted due to leaks.

A water loss control program helps to identify real or physical losses of water from the water system and. apparent losses, the water that is consumed but not accounted for.

Water loss control includes

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Several biotechnology approaches are currently being used to improve the quality and quantity of the food supply. Although these approaches have the potential to address food insecurity and nutritional deficiencies,

They also pose several challenges that must be addressed before they can be widely adopted. Genetic engineering, gene editing, and nanotechnology are some biotechnology approaches that have been used or are being developed for use in food productionOne biotechnology approach that has been used to improve the quality and quantity of the food supply is genetic engineering. Genetic engineering involves inserting foreign genes into organisms to produce desired traits, such as increased yield or pest resistance.

For example, genetically modified (GM) crops have been developed to resist pests and tolerate herbicides, which has resulted in higher yields and reduced pesticide use. However, GM crops have also been criticized for their potential environmental and health impacts, and their long-term effects on ecosystems and biodiversity are not fully understood. Additionally, many consumers are concerned about the safety of GM foods and prefer to avoid them. Therefore, while genetic engineering has the potential to address food insecurity and nutritional deficiencies, its widespread adoption must be carefully considered and regulated to ensure that its benefits outweigh its risks.

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In today's world, biotechnology has taken a great leap in various industries. From genetically engineering to gene editing to nanotechnology, a number of biotechnology approaches are currently being used or developed for use to improve the quality and quantity of our food supply.

However, the question is whether it is a good idea or not.The use of biotechnology approaches to improve the quality and quantity of our food supply is a good idea. One such biotechnology approach that has been in use for the past few decades is genetically modified crops. Genetic modification involves the insertion of foreign genes into crops to make them resistant to pests, herbicides, and diseases. This approach has been successful in increasing crop yields and reducing the need for harmful pesticides.

One example of the use of genetically modified crops is the production of Bt cotton. Bt cotton is a genetically modified variety of cotton that is resistant to bollworm infestation, reducing the use of insecticides by up to 50%. This has not only increased the quality and quantity of cotton produced but also reduced the harmful effects of insecticides on the environment and human health. In conclusion, the use of biotechnology approaches to improve the quality and quantity of our food supply is a good idea. The use of genetically modified crops has proven to be successful in increasing crop yields, reducing the need for harmful pesticides, and improving food security.

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