an excretory system, such as the flame bulb system of flatworms, consisting of a network of tubules lacking internal openings is called?

Answer:

No, it will never stop flowing

Explanation:

Osmosis is the movement of water from an area of lower concentration of solute to an area of higher solute concentration through a semi-permeable membrane. If one side of the membrane is completely free of solute, water will move to the hypertonic solution continuously in a bid to achieve equilibrium until all the water completely moves to the hypertonic side. This is because equilibrium cannot be attained since one side is completely void of solute and another has solutes.

It is like having red coloured paint on one side and water on another side of a membrane, and the water moves into the paint compartment and only stops when they both have the same color. No matter how much water moves across, they cannot have the same color on both sides.

Answer:

Measuring radioactive decay of element isotopes

Explanation:

Answer:

measuring radioactive decay of element isotopes

Explanation:

Answer:

Sunlight is converted to chemical energy in the form of ATP (adenosine triphosphate), which is the main energy-storing molecule in living organisms. ATP is then transported throughout the chloroplast and used to provide the chemical energy necessary to power other metabolic reactions.

Scale of the model: 1:10,000. To find the scale of the model, we need to compare the size of the model to the actual size of the red blood cell. Given that the diameter of the red blood cell is 0.008mm and the diameter of the model is 80mm, we can calculate the scale by dividing the diameter of the model by the diameter of the actual cell.

Scale = Model diameter / Actual cell diameter

Substituting the given values:

Scale = 80mm / 0.008mm

Simplifying the expression:

Scale = 10,000

Therefore, the scale of the model is 1:10,000.

1. Identify the diameter of the red blood cell: 0.008mm.

2. Identify the diameter of the model: 80mm.

3. Use the formula Scale = Model diameter / Actual cell diameter.

4. Substitute the values into the formula: Scale = 80mm / 0.008mm.

5. Simplify the expression to find the scale: Scale = 10,000.

6. The scale of the model is 1:10,000, indicating that the model is 10,000 times larger than the actual red blood cell.

For more such questions on scale, click on:

https://brainly.com/question/28743660

#SPJ8

Inulin, an exogenous substance, is useful in determining glomerular filtration rate (GFR) because it possesses specific characteristics that make it an ideal marker.

First, inulin is freely filtered by the glomeruli, meaning it passes through the glomerular capillaries without hindrance. Second, it is neither reabsorbed nor secreted by the renal tubules, ensuring that its concentration in the urine solely reflects the filtration process. Lastly, inulin does not undergo any metabolic changes within the body, so its presence in the blood and urine is unchanged.

By injecting inulin intravenously and measuring its concentration in both plasma and urine, one can accurately calculate the GFR, this process involves comparing the inulin clearance, or the volume of plasma cleared of inulin per unit time, to the actual rate at which the kidneys filter plasma. As inulin is not affected by tubular transport or metabolism, its clearance serves as an accurate proxy for the GFR. Consequently, inulin helps provide a precise measurement of kidney function, enabling the detection of renal diseases and monitoring of kidney health. So therefore inulin, an exogenous substance, is useful in determining glomerular filtration rate (GFR) because it possesses specific characteristics that make it an ideal marker.

Learn more about GFR at

https://brainly.com/question/28234212

#SPJ11

Answer:

C. Some of the energy in a grasshopper will be used for a frog's life functions is supported by the pyramid.

Chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and halons destroy the earth's protective ozone layer, which shields the earth from harmful ultraviolet (UV-B) rays generated from the sun.

Answer: A

The experiment that is to be conducted is intended to verify and test the widely accepted hypothesis that maggots appear spontaneously in decaying meat. Additionally, you should record each and every step you take during this experiment.

The following is the theory or hypothesis : Fly larvae are referred to as maggots. They feed on meat because females place their eggs in materials that give food for the hatched maggots. Many fly species prefer meat as a source of maggot feeding. Modern meat processing and packaging follow strict health code guidelines. Until it is time to make it, it is stored frozen or chilled and is packaged in plastic. Meat exposed to the air at room temperature, however, might draw female flies looking for a spot to deposit their eggs which leads to maggots. Fly eggs can easily hatch on leftover meat scraps causing maggots that aren't wrapped in plastic or placed inside of a bag.

Learn more about maggots https://brainly.com/question/17540058

#SPJ9

Answer:

Temperature and energy are closely related in science. Temperature is a measure of the average kinetic energy, or movement, of the particles in a substance. When the particles in an object have more kinetic energy, they move faster and collide more frequently.

As a result, the object's temperature increases. Conversely, when particles have less kinetic energy, they move slower and collide less often, causing the temperature to decrease.

Therefore, temperature can be considered as a way to measure the amount of energy present in a substance, where higher temperatures correspond to greater energy levels.

Answer:

Temperature is a measure of the average kinetic energy of the particles in a substance. Kinetic energy is the energy of motion, and it depends on the speed and mass of the particles. The faster the particles move, the more kinetic energy they have, and the higher the temperature of the substance. The relationship between temperature and energy is also affected by the specific heat capacity of the substance, which is the amount of energy needed to raise the temperature of one gram of the substance by one degree Celsius. Different substances have different specific heat capacities, depending on their molecular structure and interactions. For example, water has a high specific heat capacity, which means it takes a lot of energy to change its temperature, while metals have low specific heat capacities, which means they heat up and cool down quickly.

MARK AS BRAINLIEST!!!

To verify scientific data through repetition, accurate records must be kept, which means option C is the right answer.

Scientist generally repeat experiments to gain more reliability in their results. The experiment are repeated by the scientist to develop a theory which can be presented before the world with strong evidences to support it. It is believed that performing a single experiment to prove any hypothesis correct is not sufficient and so repetition is necessary, therefore it is done by different scientists in different lab conditions to get verified results. Accurate data helps in maintaining precision between the results produced by scientists and so it is necessary to collect them.

Learn more about accurate data at:

brainly.com/question/26711803

#SPJ4

Answer:

2)carcinogens are unavoidable

Answer:There are 3 alleles for the gene that determines blood type.

Explanation:

Answer:

im gonna say 3...

Explanation:

but if im wrong. ill prob edit my answer and say its not. but im PRETTY SURE its right.

EDIT: It is correct! i have done it and got 100 percent on my quiz!

If the genes in morgan's three-factor crosses were all located together on the x chromosome, some of the f2 generations display recombinant traits due to  X chromosome recombination.

Morgan also proposed the theory of "crossing over" on the grounds that the frequency of recombination of the X chromosome was correlated with the separation of genes on a chromosome and that the exchange of genetic material destroyed the connection between genes. According to Morgan, he thought that the genes on chromosomes were like pearls together—that is, they were actual physical things.

The likelihood of two genes inheriting together increased as two genes' distance from one another on a chromosome increased. On the other hand, genes that were further apart on the same chromosome were more likely to be split apart during recombination. A mutation Morgan found that the dye altered the hue of a fly's eyes. He noticed that the way the flies inherited the mutation was different.

Learn to know more about recombination on

https://brainly.com/question/12323417

#SPJ4

A reduced oxygen supply to a body part or organ is known as ischemia.

A reduced oxygen supply to a body part or organ is known as ischemia, not toxemia. Toxemia is a condition where there are toxins in the blood, usually as a result of an infection or other medical condition.

The condition can result from a variety of causes, including blood clots, atherosclerosis, arterial spasms, and trauma. The severity of ischemia depends on the degree and duration of oxygen deprivation, and can lead to tissue damage or death if left untreated. In summary, ischemia is a serious medical condition that requires prompt diagnosis and treatment to prevent further complications.

To know more about ischemia visit:-

https://brainly.com/question/25997163

#SPJ11

Answer:

The digestive tract of the rat, similar to the human one, starting from the mouth, involves the pharynx, esophagus, stomach, small intestine and large intestine. The digestive glands can appropriately be divided into the large and small ones.

Explanation:

Answer:hope this picture helps

Explanation:

Answer:

when you burn fuels like propane or wood, the creation of the burning produces things like water Carbon dioxide and other gasses.

Explanation:

burning fuels makes carbon dioxide, when we lite a campfire we release gasses and cause a chemical reaction with the air.

Answer:

when you burn fuels like propane or wood, the creation of the burning produces things like water Carbon dioxide and other gasses.

hope it helps

True, some areas of skin lack warm receptors. The skin contains a variety of receptor types that react to pressure, temperature, and pain, among other stimuli.

The sensation of warmth in the skin is the result of the activation of warm receptors. These are sensory neurons that are sensitive to heat. The warmth receptors are more numerous in some areas of the skin than others. Some areas of the skin lack warm receptors. Some areas of the skin lack warm receptors, and this is true.

Warm receptors are activated as a result of heat, giving rise to the sensation of warmth in the skin. Heat sensitivity is present in these sensory neurons. Different parts of the skin have different numbers of warmth sensors. Warm receptors are absent from certain skin layers.

For instance, the cold receptors are located closer to the surface of the skin compared to the warm receptors. The lack of warm receptors in some areas of the skin causes an inability to detect warmth, which could be a result of nerve damage, genetic mutations, or other causes.

Therefore, the statement is correct. There are several types of receptors in the skin, which respond to different stimuli like temperature, pressure, and pain.

To know more about skin, visit:

https://brainly.com/question/15440945

#SPJ11

Answer:

Bedrock

Explanation:

in oretty sure it forma underground

Answer:

Igneous rocks

Explanation:

Igneous rocks that form below the Earth's surface are called intrusive igneous rocks (or plutonic). They form when magma enters an underground chamber, cools very slowly, and forms rocks full of large crystals. Igneous rocks that form above the Earth's surface are called extrusive igneous rocks.

The daughter cells have a different number of chromosomes what is an indication of failure in the motitic division, thats because during division the parent cell have to duplicate the genetic material to pass for the next generation in equal number, since this is important to maintain the cellular integrity, as weel as the characteristics of the cellular species. The Cell A is an identical copy of the parent cell (somatic cell), having the same traits and functions, as well as a normal cellular activity, while Cell B have only half of the genetic information of the mother cell, this cell more close to an sex cell than a somatic cell, numerically speaking, since the fact of it having 1/2 of the information makes it more difficult to perform its cellular functions as a somatic cell.

The answers include the following below:

This is referred to as the process in which green plants manufacture food in the presence of sunlight. The green pigment known as chlorophyll helps to trap solar energy which is used to initiate the reaction.

It comprises of two types of reactions which are light dependent and independent reactions.

Read more about Photosynthesis here https://brainly.com/question/19160081

#SPJ1

Answer:

Milk

Explanation:

it promotes strong teeth and bones

A mutation is basically an alteration in the genetic sequence of an organism which happens to occur randomly.

A genetic mutation, or simply, a mutation is a change or an alteration which occurs in an organism's genome. Most of the mutations happen to occur randomly. They may or may not be present in multiple individuals in a particular population. It might also be present in a small part of the population or in a larger chunk of it.

Not all the mutation are beneficial. Some mutation can be lethal while other might have no effect at all. Mutations can occur due to multiple factors and not just environmental factors. These factors can be both internal factors as well as some external factors.

To know more about mutation here

https://brainly.com/question/17106056

#SPJ4

Answer:

B.

Explanation:

Answer:

In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

Explanation:

d. Macrophages kills cells infected with an intracellular pathogen such as a virus or bacterium

In the field of biology, macrophages can be described as immune cells that are majorly involved in detecting microorganisms such as bacteria and viruses, phagocytosing them and causing them to become destroyed.

Another important function of the macrophages is to activate the T cells so that an inflammatory response can be generated by the body at the site of the antigen or bacteria.

Macrophages engulf foreign particles such as bacteria or viruses in order to destroy them.

To learn more about macrophages, click here:

https://brainly.com/question/28496020

#SPJ4

Answer:

The Philippines.

Explanation:

The Philippines receive the brunt of the landfalls, with China and Japan being less often impacted.

Tapeworms have a life cycle in which proglottids are released in feces, farm animals become infected by consuming contaminated food or water, and humans become hosts again by consuming undercooked meat containing larvae. The correct answer to the question is: A. proglottids; larvae in undercooked meat.

The cestodes, also known as tapeworms, have a complex life cycle. In this life cycle, proglottids or segments of the tapeworm are released from the human host and passed out in feces. These proglottids contain fertilized eggs. The intermediate host, such as farm animals, can become infected by ingesting contaminated food or water that contains these eggs. Once inside the intermediate host, the eggs develop into larvae.

Humans can become hosts again by consuming undercooked meat that contains the mature worms. When a person consumes the undercooked meat, the larvae from the meat will develop into mature worms inside their intestines, completing the life cycle of the tapeworm.
The proglottids, containing the fertilized eggs, are released from the human host and passed out in feces. The intermediate host, such as farm animals, become infected by consuming contaminated food or water that contains these proglottids. Humans become hosts again by consuming undercooked meat that contains the larvae. The larvae then develop into mature worms in the human intestines.

Learn more about proglottids here:-

https://brainly.com/question/14663772

#SPJ11

Answer:

i think A and B

Explanation:

can get brainliest