Why is it important for an organism to maintain homeostasis

Answer:

Low rates of evaporation

Polar climate is found in regions around the north and south poles. They include the Arctic and Antarctica regions.

Explanation:

The regions are mainly cold, dry and windy. This is mainly due to their positionon earth relative to sun causing them to receive very little annual sunlight energy compared to other latitudes of the earth. Therefore most of the moisture is locked up in ice hence the dryness of the region. This is not helped by the thin atmosphere in these regions. This means they cannot retain heat because infrared (the electromagnetic waves responsible for heat transfer) boucing up from the earth's surface easily escapes back to space from this region of earth. The heat needed to spur precipitation, therefore, lacks and hence the dryness.  Temperatures in these regions range at averages of 10 degrees centigrade on the warmest summer months.

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Answer:

c. Left atrium

j. right atrium

f. left ventricle

g. right ventricle

Explanation:

The heart consists of four chambers that is two ventricles and two articles.

Blood enters the right atrium goes into the right ventricle.

The right ventricle then pumps blood into the lungs where the blood gets oxygenated.

Pulmonary vein then brings back the blood from lungs into the left ventricle, blood is pumped into the left atrium and out of the heart.

That is the process through which blood navigates in the heart.

Light tan is a trait, which is more favorable in this new climate because rabbits can blend into any environment, hence option C is correct.

Temperature is the crucial abiotic factor, that affects the species, survival rate, increasing temperature decreases many species survival rates due to alterations that direct to less food, less flourishing reproduction, and intervention with the environment for native wildlife.

A particular Arctic climate affects the fur of rabbits, many rabbits in this climate have white fur, while some other rabbits have fur that changes color during the warm months.

If this climate changes, rabbits need to develop a trait that increases the chance of their survival.

Therefore, light tan is more favorable because the rabbits can blend into any environment.

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Answer:

The winter solstice in the Southern Hemisphere is June 20 or 21, while the summer solstice, the longest day of the year, is December 21 or 22.

So I think the answer is

D) celebrate the summer solstice

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Answer:

D) celebrate the summer solstice

Answer:

Presence of two copies of mutated alleles would cause sickle cell anemia in person.

Explanation:

The gene HBB codes for the beta globin protein of hemoglobin. Hemoglobin is the protein present in red blood cells and serve in oxygen transport. Mutation in HBB gene leads to production of abnormal hemoglobin molecules. These hemoglobin molecules stick to each other and impart stiffness and sickle shape to the red blood cells. Presence of two copies of mutated gene leads to sickle cell anemia characterized by reduced oxygen supply to the body cells and/or blocked blood vessels.

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Your answer is the first one.

Far greater than any known material on Earth.

Answer:

Option (1)

Explanation:

The white dwarf stars are defined as objects that are almost similar to the size of the Earth and their mass is equivalent to the sun. The materials that are present within the massive white dwarf cannot undergo any process of fusion reactions due to which they have an absence of energy source.

The density of these white dwarfs is roughly [tex]10^{9}[/tex] kg/m³, which is significantly very high. These are probably the most dense materials that are present in the universe. In order to study the white dwarf stars, the UV astronomy is generally used.

Thus, the correct answer is option (1).

The technique of lowering the cover slip at an angle is used to;

B. Reduce the formation of air bubbles

It is essential that the technique of lowering the cover slip at an angle is used to put a cover slip at that angle and to lower it onto the specimen to avoid creating air bubbles which would interfere with the view.

"The correct answer is B. The technique of lowering the coverslip at an angle is used to reduce the formation of air bubbles.

When preparing a microscope slide, the technique of lowering the coverslip at an angle is primarily used to reduce the formation of air bubbles between the coverslip and the slide. Air bubbles can interfere with the clarity of the specimen under the microscope by causing light to scatter, which can obscure details and reduce the quality of the image. By lowering the coverslip at an angle, one can gently lay it down on the slide, allowing air to escape from beneath it, thus minimizing the likelihood of air bubbles being trapped.

Here is the logic behind the other options:

A. Make organelles - Incorrect. The technique does not create or alter organelles within the specimen. Organelles are intracellular structures that exist naturally within cells.

C. Make the specimen transparent - Incorrect. While reducing air bubbles can improve the clarity of the specimen, the primary purpose of this technique is not to make the specimen transparent but to prevent air bubbles from obstructing the view.

D. Reduce the size of the specimen - Incorrect. Lowering the coverslip at an angle does not reduce the size of the specimen. The size of the specimen is determined by the preparation method before placing it on the slide, such as sectioning or smearing.

Therefore, the most appropriate reason for lowering the coverslip at an angle is to reduce the formation of air bubbles, ensuring a clear and unobstructed view of the specimen under the microscope."

Answer:

they mine for hard materials in Florida so it would be, b,c,e.

Explanation:

Answer:

Option B and F

Explanation:

Florida is rich in deposition of sedimentary rocks and thus mostly it is the rocks like sandstone, calcite etc. which are mined in Florida. Florida is also rich in phosphorus and thus it is also mined.  

Of all the given options, cement is made up of grinded calcite, paints consists of phosphorus thus the correct choice of answers is option B and F

Answer:

Consumers, on the other hand, consume materials generated by the producers and hence they use the food, nutrients and oxygen. ... Animals, man, etc. are good examples of consumers. Producers are capable of photosynthesis, a process by which they covert light energy into chemical energy, while consumers use respiration.

Producers in a food chain make their own food using sunlight, while consumers obtain energy by consuming other organisms.

In a food chain, producers are organisms that make their own food using sunlight in a process called photosynthesis. They are usually plants or algae. Producers belong to the first trophic level, as they convert sunlight into usable energy for other organisms in the food chain.

On the other hand, consumers are organisms that obtain energy by consuming other organisms. They cannot produce their own food and rely on producers or other consumers for energy. Consumers belong to higher trophic levels in the food chain.

In summary, the difference between a producer and a consumer is that producers make their own food, while consumers obtain energy by consuming other organisms.

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Answer:

There is a 0% chance that a child can donate blood

Explanation:

Since the O gene is recessive, if the mother is type O then she can only give the O gene.

If the father is homozygous for gene B, then he can only give that gene B which is the only one that has

Since gene B is dominant and your children will have an OB combination, then all your children will have type B blood.

To donate blood to a person O, you need to have blood type O. So none of your children can donate blood

Answer:

The answer is A. kinetic energy of moving water is converted to electrical energy.

Explanation:

In a hydroelectric power station, the kinetic energy of the water collides with the hydraulic turbines converting it into mechanical energy which rotates the rotor of a generator; which makes this mechanical energy finally becomes electrical energy. This process is known as Hydraulic Energy, where water energy is used to create electricity.

Answer:

A.The kinetic energy of moving water is converted to electrical energy.

Explanation:

I took the test!! FLVS? :)

First, that is not how to spell it (erinaceidae). You could also just say hedgehog.

You would need to gather more of the same data from a different group of students.

Final answer:

To support the generalization about human arm span, collect a large sample size of data, calculate the average, and plot a frequency distribution to visualize the normal distribution of measurements.

Explanation:

To provide additional support for the generalization that human arm span is a characteristic that falls within a range of lengths with most lengths falling in the middle ranges, one could conduct a substantial statistical analysis. This would involve collecting a large sample size of arm span measurements from a diverse population to ensure representativeness. With the data collected, calculating the average arm span and plotting a frequency distribution would illustrate the variation among individuals.

The resulting graph is likely to resemble a normal distribution or bell curve, where the majority of arm span measurements are clustered around the mean, with fewer individuals having arm spans significantly above or below the average. To further examine the factors influencing arm span, one could perform comparative studies between different populations, for example, comparing urban to non-urban dwellers as mentioned in the provided information. Such a study would allow us to see if lifestyle factors, such as those related to an urban environment, have any significant effect on arm span.

Answer: The correct answer is -

C. Lysosome.

Explanation:

Lysosomes are the specialised membrane bound organelles that contain digestive enzymes and help in the degradation of foreign particles ( such as bacteria or virus) as well as waste products. They help in the removal of waste products from the body.

Option C) Lysosome is depicted in the given label 9 of the figure.

Answer: I think D

Explanation: Blue stars are the hottest stars so therefore ít 15,000

Blue stars are the hottest stars so therefore ít 15,000.

The "surface" of the Earth would feel warm to the touch at a given point based on its land surface temperature.

The "surface" is anything a satellite observes when it peers through the atmosphere to the earth. It might be ice and snow, grass on a lawn, a building's roof, or the leaves in a forest canopy.

The maps displayed here were created using information gathered during the day by NASA's Terra satellite's Moderate Resolution Imaging Spectroradiometer (MODIS). The range of temperatures ranges from -25 (deep blue) to 45 (hot).

Therefore, Blue stars are the hottest stars so therefore ít 15,000.

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Answer:

nitrogen fixation

Explanation:

Answer:

Nitrogen fixation

Answer:

B. A body of igneous rock that forms within Earth's crust

Explanation:

Igneous rocks are of two types: intrusive and extrusive. The extrusive igneous rocks are formed by cooling of lava on the earth surface. The intrusive igneous rocks are formed when the magma cools down within the earth's crust. The intrusive rocks are also called as plutonic rocks. Hence, pluton is a body of an intrusive igneous rock.

Final answer:

A pluton is an intrusive body of igneous rock that forms from slowly cooled magma deep within the Earth's crust, characterized by large crystals. Significant surface exposures of plutons are known as batholiths.

Explanation:

A pluton is an intrusive body of igneous rock that forms when magma cools and solidifies beneath the surface of the Earth. This process allows the magma to cool slowly, leading to the development of large, well-formed crystals. Plutons come in various sizes and shapes, and a large pluton exposed at the surface can be referred to as a batholith, while smaller exposed sections are known as stocks.

Plutons are classified as intrusive, or plutonic, igneous rocks because they are formed from magma intruding into the crust, as opposed to extrusive igneous rocks, which form at the surface.

Using photosynthesis. They convert sunlight into energy. They eat algae.

They use photosynthesis as with all plants

Answer:

Explanation:

Egg and sperm join together and the resulting fertilized egg contains all the information needed to grow into a new individual.

By fussion of gametes into the ovum of the female (meiosis)

Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.

Explanation:

Answer:

The lining of the air away becomes swollen inflamed and thicker mucus is produced

A. The lining of airways become swollen

^^^That's why people start coughing a lot. Air is trying to get through the airways and past all the EXTRA mucous that gets produced (the mucous does NOT dry up)

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I have written your answer on my computer and took a photo here it is!!

Answer:

It forms on unconsolidated materials.

Explanation:

Penn Foster's answer

I'm not sure about the flower, but I know the narrow beak makes it easier to get certain foods like worms.

Pollution can be found in greater amounts at higher trophic levels compared to lower trophic levels by Biomagnification. It indicates the presence or increase in the concentration of toxic materials or pollutants in the tissues of living organisms in a trophic level of an eco system.

Answer:

Through the process of biomagnification. An example is what happens with mercury in marine species.

Explanation:

Mercury is a pollutant known as a problem for the environment and the oceans, which affects the marine fauna to varying degrees and therefore the health of human beings. Methylmercury is the most toxic form of mercury and accumulates in the tissues of organisms. It is capable of bioaccumulating up to about one million times along the marine trophic chain, from microorganisms to predatory fish and mammals. In view of the ability to accumulate in organisms through trophic levels, higher concentrations are expected to be found in predatory fish and marine mammals (higher trophic levels), through the process known as biomagnification.

Answer: the answer is A

Explanation: It is mentioned int he hardy Weinberg equation.

Final answer:

In the Hardy-Weinberg equation, the letter q represents the frequency of the recessive allele in a population. By counting the homozygous recessive individuals, you can determine q² and then find q by taking the square root.

Explanation:

Understanding the Hardy-Weinberg Equation

In the context of the Hardy-Weinberg equation, the letter q stands for the frequency of the recessive allele in a population. This equation is an essential concept in population genetics and is used to predict allele frequencies in a population that is not evolving.

The Hardy-Weinberg equation is represented as p² + 2pq + q² = 1, where each term corresponds to the frequency of a specific genotype. The variable p represents the frequency of the dominant allele, while q represents the frequency of the recessive allele. If you know the frequency of one allele, you can easily calculate the frequency of the other since p + q = 1.

To calculate q, you can count the number of individuals with the homozygous recessive phenotype (aa) and divide by the total population to get q². Taking the square root of q² gives us q, the frequency of the recessive allele. Then, to find p, you can subtract q from 1 (p = 1 - q).

Answer:

ATP, or adenosine triphosphate, is chemical energy the cell can use. It is the molecule that provides energy for your cells to perform work, such as moving your muscles as you walk down the street. ... When ATP is broken down into ADP (adenosine diphosphate) and inorganic phosphate, energy is released.

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ATP, or Adenosine Triphosphate, provides energy to the body by breaking down into Adenosine Diphosphate (ADP) and an inorganic phosphate (Pi), releasing stored energy in the process. This process can be compared to a rechargeable battery, with ATP as energy storage that the body can use.

ATP, or Adenosine Triphosphate, is the primary energy source for the cells in our body. It provides energy through a process where it breaks down into Adenosine Diphosphate (ADP) and an inorganic phosphate group (Pi). This process releases energy stored in the ATP molecule that your body can use for numerous functions.

Think of ATP as a rechargeable battery. When ATP breaks down (discharges), energy is released for the body to use. When your body has excess energy, it can charge the battery again by converting ADP and Pi back into ATP. This process is repeated thousands of times in our cells every second. So, ATP is essentially the way our body stores and uses energy.

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Final answer:

Dendrites are the branches that carry signals toward a neuron's cell body, and nerve cells make up the nervous system and send messages to the brain.

Explanation:

The branch-like extensions that carry nerve signals toward the cell body are called dendrites. These structures are specialized in receiving incoming information from other neural cells and directing it towards the neuron's cell body.

The components that make up the nervous system and send messages to the brain are nerve cells. These cells, also known as neurons, communicate through their dendrites and axons to transmit nerve impulses throughout the body, enabling our brain to process information and respond accordingly.

Answer:

he amount of living space for the rats and the amount of food are two different variable that will make a  mistake the student changed. If you're doing an experiment, you need to control the conditions and the only change ONE variable at a time of each one . If you want to know if the food and the living space affect weight, you should do two different experiments.

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In the described investigation, two major errors are the lack of control group and altering two variables simultaneously. A control group is essential for comparing results, while keeping all but one variable constant helps in asserting a cause-effect relationship.

A major error in this investigation is the lack of control group. A control group is a group of subjects that are kept under normal conditions and not exposed to the experimental variable, in this case, changes in living space and food amounts. Without a control group, it’s difficult to determine whether changes in the rats' weight are due to the manipulated variables or to some other, uncontrolled factors.

Another potential error is the simultaneous manipulation of two variables - living space and food amount. Scientific investigations typically require a single variable to be altered at a time while keeping all others constant. This helps to assert a cause-effect relationship between the one changing variable and the observed effect. If two variables are altered simultaneously, it cannot be definitively concluded which one is causing the change in the rats' weight.

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Answer:

The cell wall is on the inside of the plant cell and it serves to contain the contents in the cell.

Explanation:

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