How can we tell that two species shared a common ancestor

Answer:

Carnivore, consumer.

Explanation:

Predators do that, not scavengers or herbivores (or any other category).

Answer:Biodiversity

Explanation:

Wetlands have high biodiversity because they are able to support a wide variety of organisms.

Wetlands may be defined as a type of ecosystem that has an excess amount of water throughout the year. Some of the examples of the wetlands are Mangroves, estuaries, coasts, and swamps.

Due to the excess amount of water present, wetlands also possess a high amount of resources that benefit the variety of organisms to survive.

They have high nutrient value, rich primary productivity, and better conditions for adaptation.

Therefore, wetlands have high biodiversity because they are able to support a wide variety of organisms.

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Answer:

A converter

Explanation:

Answer:

- Osmoconformers: echinoderms, lobsters, jellyfish, ascidians, mussels, etc.

- Osmoregulators: freshwater fish

Explanation:

Osmoregulation refers to the control of the osmotic pressure in order to maintain the organism's homeostasis. Osmoconformers are animals that maintain an internal osmotic pressure in equilibrium with the surrounding water environment, i.e., they are isoosmotic, where salinity within their cells is the same as the external (aqueous) environment. These animals (e.g., marine invertebrates) continuously need to regulate the cellular osmotic pressure, which is accomplished by decreasing the intracellular concentration of osmotically active solutes of their tissues. Conversely, osmoregulators are animals that have to control their internal osmolarity despite the salt concentrations in the environment. Osmoregulatory freshwater fish are hypertonic, where the concentration of salt is higher in the body compared to the surrounding environment. These animals absorb controlled amounts of water through the mouth and accumulate salt from the external medium through mitochondria-rich cells in the gills.

Most cellular sorts are permeable to water. An exception is cells of the distal nephron which can be either impermeable or permeable, depending upon the place of aquaporins.

High medullary interstitial osmotic pressure provides the driving pressure for the osmotic glide of water through collecting ducts making water permeable by means of the action of vasopressin. high permeability permits osmotic equilibrium among urine and medullary interstitial fluid. The distal nephron epithelium is impermeable to water without vasopressin.

Water loss from the frame occurs primarily thru the renal device. On average, a person produces 1.5 liters of urine according day. Urine output varies with hydration stages, however minimal urine output is essential for proper frame features. The bicarbonate buffer system is the maximum essential buffer inside the extracellular fluid. If there's too much acid lactic acid the bicarbonate ions will take in.

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The following best explains why a hypotonic solution causes a cell to swell is solutes rush into the cell

A hypotonic solution is a solution that has a lower osmotic pressure than other solutions because a hypotonic solution has a lower concentration of solutes than the concentration of solutes in other solutions

In a hypotonic solution, the concentration of solutes (eg salt and sugar) outside the cell is lower than the concentration inside the cell. This creates an osmotic gradient, which draws water into the cells, and solutes follow the water into the cells. This causes the cell to swell as the inside of the cell gets denser.

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Arterioles and venules are two types of blood vessels.

Arterioles are small blood vessels that carry oxygen-rich blood away from the heart to various organs and tissues, while venules are small blood vessels that transport deoxygenated blood back to the heart from different organs and tissues. Arterioles have thicker smooth muscle layers than venules, and they are made up of a layer of endothelial cells, a basement membrane, and some connective tissue.

The muscle layers in the arteriole are composed of smooth muscle cells, which help control blood flow by contracting and relaxing. In the walls of the venules, smooth muscle cells are rare. Instead, they contain collagen fibers and elastic fibers, which aid in the vessel's flexibility. Their walls are thinner, and they have a larger diameter compared to arterioles. Arterioles contain endothelial cells, basement membranes, smooth muscle cells, and some connective tissues, while venules contain endothelial cells, collagen, and elastic fibers.

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False. Cholesterol is not composed of 3 fatty acid chains attached to glycerol. Cholesterol is a type of lipid, specifically a sterol, that has a complex ring structure.

It does not have fatty acid chains or a glycerol backbone, which are characteristic of triglycerides. Triglycerides are the lipids that consist of 3 fatty acid chains attached to a glycerol molecule. Cholesterol plays a crucial role in maintaining cell membrane fluidity, and it serves as a precursor for the synthesis of steroid hormones, bile acids, and vitamin D. Despite its importance, excessive levels of cholesterol in the blood can contribute to cardiovascular diseases. It's essential to maintain a healthy balance of cholesterol in the body through a balanced diet and regular exercise.

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Answer:

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The 3 major common features of all cells are :-

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Answer:

Explanation:

About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapor, dust, and ozone, and 48 percent passes through the atmosphere and is absorbed by the surface. Thus, about 71 percent of the total incoming solar energy is absorbed by the Earth system

Answer:

The earth-atmosphere energy balance is the balance between incoming energy from the Sun and outgoing energy from the Earth. Energy released from the Sun is emitted as shortwave light and ultraviolet energy. When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth's surface.

Answer:

you wouldn't live

Explanation:

it's way to hot to stand on a scarf star

Cardiac cells possess the unique ability to generate their own electrical impulses without external stimuli, a property known as automaticity hence the correct answer is a) automaticity.

This impulse initiates the contraction of the heart muscle, leading to its rhythmic beating and efficient pumping of blood throughout the body. Conductivity and contractility are also important properties of cardiac cells, as they allow for the propagation of the electrical signal and the forceful contraction of the heart muscle, respectively.

Vasodilation, on the other hand, refers to the widening of blood vessels, which can affect blood flow and blood pressure regulation but is not directly related to the electrical activity of cardiac cells.

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Cardiac cells have the ability to generate an electrical impulse, which is called automaticity. Automaticity refers to the inherent property of certain cells, including cardiac cells, to spontaneously initiate an electrical signal or action potential without external stimulation.

Automaticity is essential for the coordinated contraction of the heart and the maintenance of its regular beating pattern. The specialized cells responsible for generating the electrical impulse in the heart are called pacemaker cells or sinoatrial (SA) node cells. These cells have a unique ability to depolarize and generate an action potential at regular intervals, setting the pace for the heart's rhythmic contractions.

While conductivity, contractility, and vasodilation are all important functions related to the cardiovascular system, automaticity specifically refers to the ability of cardiac cells to generate electrical impulses and initiate the heart's rhythmic contractions. Conductivity refers to the ability of cardiac cells to transmit electrical impulses, contractility refers to the ability of cardiac muscle cells to contract, and vasodilation refers to the widening of blood vessels.

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Photosynthesis is a process used by plants, algae, and some bacteria to produce glucose, which is a type of sugar.

In this process, they use energy from sunlight, carbon dioxide (CO2) from the air, and water (H2O) to produce glucose (C6H12O6) and oxygen (O2).

The photosynthesis process takes place in the chloroplasts of plant cells, which contain chlorophyll, a green pigment that absorbs light energy.

The energy absorbed by the chlorophyll is used to convert carbon dioxide and water into glucose and oxygen.

Photosynthesis can be divided into two main stages: the light-dependent reactions and the light-independent reactions.

During the light-dependent reactions, the absorbed light energy is used to produce ATP, a molecule that provides energy for the light-independent reactions.

Oxygen is also produced during this stage.

During the light-independent reactions, the energy stored in ATP is used to convert carbon dioxide into glucose.

This stage does not require light, but it is dependent on the products of the light-dependent reactions.

In summary, photosynthesis is a process used by plants, algae, and some bacteria to produce glucose and oxygen from carbon dioxide, water, and sunlight.

This process is essential for the survival of plants and is also important for the production of oxygen in the atmosphere.

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Answer: 2/3 of the water is not availible for human use because it is salt water not fresh.

Explanation:

The ADP-ATP cycle is critical to producing cell energy. Option a, b, c, d, and f are correct regarding this cycle.

The ADP-ATP cycle is a process that continuously occurs in all living cells and is critical for producing cellular energy. The cycle involves the interconversion of ATP (adenosine triphosphate) and ADP (adenosine diphosphate) through the addition or removal of a phosphate group.

When a phosphate group is added to ADP by the enzyme ATP synthase, it forms ATP. The energy required for this reaction comes from the breakdown of food molecules such as glucose during cellular respiration. This reaction is known as phosphorylation.

On the other hand, when a phosphate group is removed from ATP by the enzyme ATPase, it forms ADP, releasing energy that can be used by the cell for various metabolic processes. This reaction is known as dephosphorylation. The hydrolysis of ATP to ADP is a reversible reaction, which means that ATP can be regenerated from ADP and inorganic phosphate when needed.

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Answer:f

Explanation:

Answer:

True

Explanation:

Just took test and the one above was wrong.

Answer:

Sulphur

Explanation:

You're welcome please like

C. Condensing water absorbs excess heat from the skin.

Answer:

b or c i hope this helps

Explanation:

This farming is responsible for organ failure and bad health condition of organism.

Animals get adversely affected by inhumane farming because in this farming animals should treated as a production material not the animals. In inhumane farming methods the animals are reared by giving highly nutritive feed and apply hormones to the animals in order to produce milk and meat in large amount. This farming method affects the health of the animals such as organ failure and lameness.

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Answer: Yes.

Explanation: Because if it causes disease or problem then why continue to do it?

Answer: Well, from what my research is saying. cell phones emit low levels of non-ionizing radiation when in use. It can also referred to as radio frequency (RF) energy. And as stated by the National Cancer Institute, "there is currently no consistent evidence that non-ionizing radiation increases cancer risk in humans. So, it has not been proven weather or not you could get a tumor or cancer from the energy waves.

Some information about a radio wave is that we can have an energy of around 4 x 10-10 eV.

Okay so, I do think people should limit their cell phone use for other reasons. For one, Phones can be overly addicting, I do speak from experience. Phones can also take up way to much of your time is you're just scrolling around on them.

Explanation: So at least that's what I would say. Hope this helped! :)

Chest pain secondary to oxygen deprivation to the myocardium is called angina pectoris.

Chest pain known as angina pectoris develops when the heart muscle doesn't get enough oxygen-rich blood. It is frequently a sign of underlying atherosclerosis or coronary artery disease.

A squeezing, pressure-like discomfort in the chest that can also affect the arms, shoulders, neck, jaw, or back is the hallmark of angina. Physical effort, emotional stress, or exposure to low conditions can all cause pain. Angina symptoms are frequently treated with rest and drugs like nitroglycerin.

Angina should not be disregarded because it may be an early indicator of a heart attack. In order to effectively manage angina and lower the risk of cardiovascular events, lifestyle modifications, proper diagnosis, and medication therapies are essential.

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Correct question:

Chest pain secondary to oxygen deprivation to the myocardium is called  _______.

Answer:

I think it's a good idea to use technology in the feild of agriculture because, it is easier to use technology and machines and farmers have to put in less physical effort into their work which can be better for their health since working in the fields all day doing heavy work isnt the best for you.

Answer: substitution

Explanation: 1.Mutations affect protein synthesis which impacts the way traits are expressed.

2.substitution

3.substitution

4.food availability

5.two nucleotides are deleted

answers for connexus students hope this helps

The type of mutation error that has occurred to cause the disorder shown is known as Substitution.

A mutation may be defined as sudden, stable, and inheritable changes in the genetic material of an organism. An organism that undergoes an event of mutation is known as a Mutant. The agents that are responsible for causing mutation are known as Mutagens.

A mutation may alter the sequence of DNA, and as a result of this, the protein may also be altered due to which functions may changed within the organisms. In sickle cell anemia, the shape of the RBCs of organisms may be changed from oval to sickle-shaped.

Therefore, the type of mutation error that has occurred to cause the disorder shown is known as Substitution.

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The average cropland fraction for the small farms is option B) 25%.What is cropland fraction? the correct option is B) 25%.

Cropland fraction is the percentage of land used for crops or agriculture. Cropland fraction is calculated as follows: Cropland fraction = (cropland area/total land area) × 100%.Cropland fraction for small farmsCropland is land that is mainly used for agricultural production. The average cropland fraction for small farms varies according to the size of the farm. Small farms usually have a higher percentage of cropland. The average cropland fraction for small farms is around 25%.

The average cropland fraction for small farms can vary depending on the specific region and agricultural practices. However, without further information or context, it is not possible to provide an accurate average cropland fraction for small farms.

The percentage of cropland can be influenced by factors such as farm size, location, climate, crop types, and farming techniques. It can range widely from less than 10% to more than 75%, depending on these variables.

Therefore, without specific information or a defined context, it is not possible to determine the average cropland fraction for small farms.

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Are the reproductive rates of mud snails affected by environmental changes? This question was most likely to study by scientists. Therefore, option B is correct.

They are freshwater snails with gills and an operculum.

They are known to reproduce sexually in their natural environment, but they can also reproduce asexually, and all transplanted populations are clonal. This implies that all it takes to establish a new population of snails is one.

Scientists were most likely to study about the reproductive rates of snails affected by environmental factors. Therefore, option B is correct.

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Answer:

Respiration is the process in which food is oxidized to release energy. Complex organic compounds are converted into simpler ones, e.g glucose into CO2 water and energy released. Gaseous exchange is the diffusion of gases from a region of higher concentration to a region of lower one.

Explanation:

Breathing is the physical process by which air is passed on a gaseous exchange surface i.e. ventilation of the gaseous exchange surface. It involves Inhalation and Exhalation.

Gas/Gaseous exchange is the process whereby gasses diffuse across a gaseous exchange surface. In humans, oxygen diffuses from the inhaled air into the blood and carbon dioxide diffuses from the blood into the exhaled air. The gaseous exchange surface here being the Alveoli.

Respiration is the metabolic process whereby organic molecules are broken down to release energy in the cells. In humans, this process takes place inside the mitochondria of cells. Aerobic respiration requires oxygen whereas qnqerobic respiration takes place in absence of oxygen.