Which statement describes competition for shelter?
Bees work together to construct a beehive.
Two prairie dogs fight over underground space.
Several monkeys work to create a space for their young.
Two male lions fight to be able to mate with a female lion.

Here's some advice;

take notes, pay attention in class, and use your textbook, if you can't find the answer look on the web, ask a friend, but never use brainly because people will say random stuff to get points.

Cholesterol is a type of lipid that is found in the animal cell membranes. It is important for maintaining the fluidity and stability of the bilayer. Cholesterol acts as a buffer, preventing the fatty acid tails of the phospholipid bilayer from packing too tightly together, which can make the membrane less fluid.

At the same time, it also prevents the tails from being too loosely packed, which can make the membrane too fluid. Therefore, cholesterol helps to regulate the fluidity of the membrane, ensuring that it remains flexible enough to allow for membrane proteins to function properly while maintaining the integrity of the bilayer.

This is particularly important in cells that are exposed to varying temperatures, as the fluidity of the membrane needs to be adjusted in response to changes in temperature.

Overall, cholesterol plays a crucial role in maintaining the proper structure and function of the animal cell membrane.

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The shape and height difference between the Appalachian and Rocky Mountains is primarily due to differences in the geologic processes that formed them.

The Appalachian Mountains were formed through a process called "continental collision," where two land masses collided and folded together, creating a long, relatively low range.

In contrast, the Rocky Mountains were formed through a process called "subduction," where one tectonic plate was forced beneath another, creating a taller and more jagged range.

Additionally, the age of the rocks that make up the two ranges is different, with the Appalachian Mountains being much older and more eroded than the younger and more rugged Rocky Mountains.

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All the mentioned changes in the options occurs during the embryonic development that will lead to a pattern of differential gene expression.

During embryonic development, gradients of molecules can establish differential gene regulation in different regions of the embryo. For example, the concentration gradient of morphogens can lead to differential gene expression and ultimately the formation of distinct cell types and tissues.

Gene expression patterns change over time during development, as cells differentiate and become specialized for their specific functions. Different tissues in the human body can express different type of gene regulations in the body that comes into the play to maintain the energy metabolism and muscle contraction.

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Complete question - identify changes that can occur during embryonic development that will lead to a pattern of differential gene expression unique to a specific cell type.

a. differential gene regulation can be established by gradients of molecules in the zygote and embryo

b. different cell types express different proteins

c. gene expression patterns change over time during development

d. different cells in an animal's body express different alleles of the same gene

e. different tissues in the body express different genes

Answer:

Some adaptations that dolphin may develop to capture food are:

Answer:

The nitrogen cycle represents one of the most important nutrient cycles found in terrestrial ecosystems (Figure 9s-1). Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids , proteins , and nucleic acids .

Explanation:

The molecules which are  involved in a Nitrogen Cycle include the following:

Nitrogen cycle is the biogeochemical cycle which involves the conversion of

nitrogen into various forms. This helps to ensure adequate availability and

distribution of the element in the soil and in the atmosphere.

The following below are processes which ensures nitrogen distribution

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In cybernetic terms, sweating to keep temperature within desired states is called d. negative feedback.

Negative feedback is a regulatory mechanism that keeps physiological variables within a normal range, despite internal or external changes that could otherwise move it away from its set point.

When the body's temperature rises, sweat glands are stimulated to release sweat to the skin's surface, which then evaporates to help cool the body. In this way, sweating acts as a negative feedback mechanism to regulate body temperature.

Autopoiesis refers to the ability of an organism to create and maintain its own structure through self-renewal processes. Sensing the external temperature is a way for the body to detect changes in the environment, but it does not describe the specific process of sweating to regulate body temperature. Therefore, the correct answer to the question is d. negative feedback.

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Answer: 2

Explanation: the numbers add up to make the highest number

The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is an inducible operon that is activated in the presence of lactose.

It is a cluster of genes in bacteria that is responsible for the metabolism of lactose. The lactose operon consists of three structural genes, lac Z, lac Y, and lac A, that code for enzymes that break down lactose, and a regulatory region, which includes the promoter, operator, and lac I gene. It functions as a switch that turns genes on or off in response to environmental changes. The regulatory region of the lactose operon contains the operator and the promoter. The operator is a DNA sequence that regulates the expression of the genes by acting as a binding site for the regulatory protein.

The promoter is a DNA sequence that is recognized by RNA polymerase, which initiates the transcription of the genes. The lac I gene codes for a regulatory protein called the lac repressor. The lac repressor binds to the operator region of the lac operon and prevents RNA polymerase from transcribing the genes. In the absence of lactose, the lac repressor is active and the lac operon is turned off.

When lactose is present in the environment, it binds to the lac repressor and changes its conformation, preventing it from binding to the operator. This allows RNA polymerase to bind to the promoter and transcribe the genes necessary for lactose metabolism. Thus, the lactose operon is an inducible operon that is activated in the presence of lactose.

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The statute of limitations refers to the maximum period of time within which legal action can be taken after an event in a specific geopolitical area. It is a law that sets a time limit depending on the type of case and the jurisdiction in which it occurs.

The duration of the statute of limitations varies depending on the severity of the crime or the nature of the case. It can range from a few months to several years. The purpose of the statute of limitations is to protect the defendant's right to a fair trial by ensuring that evidence presented against them is not too old or unreliable.

Furthermore, the statute of limitations encourages plaintiffs to pursue legal action promptly if they have been wronged, rather than waiting for an extended period and potentially losing their opportunity for justice.

In summary, the statute of limitations plays a crucial role in defining the timeframe within which legal action can be initiated after an event in a specific geopolitical area. Its purpose is to balance the interests of both defendants and plaintiffs while promoting timely resolution of legal matters.

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Answer:

a. natural selection

Explanation:

Answer:

1.(D)

2.(D)

3.(C)

4.(B)

5.(B)

6.(C)

7.(B)

8.(D)

9.(A)

10.(africa)

11.(D)

12(B)

13(?)Convergent boundaries

14(C)

15(A0

16(​Sturdy Desks and Tables. The safest place to perform the 'duck, cover, and hold' action is under a sturdy desk or table. ...

Bed or Closet. When you are in bed during an earthquake, stay there. ...

A Room with No Windows. Stay away from glass windows during an earthquake. ...

Door Frame. ...

Outside your Home.

So C?

17(C)

18(D)

19(B or A)

20(B)

Extra credit question

Earth is special because it is an ocean planet. Water covers 70 percent of Earth's surface. Earth's atmosphere is made mostly of nitrogen and has plenty of oxygen for us to breathe.There are multiple reasons for earth to be a special planet. Reasons are as follows

1.Earth is the only planet known where intelligent life exist.

2.It lies in the circumstellar habitable zone (CHZ). CHZ is defined in the image given below.

3. Earth has a unique magnetic field which protects the earth from the harmful solar winds. These solar winds played a role in transforming venus into hell.

4. Earth has Van Allen radiation belts which protects it from cosmic rays.

5. Our large neighbour Jupiter protects is from many comets and asteroids that come from the keiper belt and Oort cloud.

6. Earth's atmosphere is favorable to support life on earth. This atmosphere consists of different gases in adequate amount. If the percentage of gases would differ then life on earth may face serious consequences.

7. Tectonic plates of earth differentiates it from most other planets.

8. Earth has a solid crust unlike the gaseous planets.

9. Earth has been gifted with a medium sized star which release solar winds and protect us from the harmful radiation of outer space.

Brainliest?

Explanation:

About the question:

You will a cladogram in the attached files.

Answer:

lungs

Explanation:

A Cladogram is a tree-type graph based on cladistic analysis. It represents the common ancestral relationships among the involved groups.  

• The tree-type graph is a ramified diagram that represents the relationship between the involved taxa.  

• The cladistic analysis follows the maximum parsimony criterium. Explains the character state from the point of view of the fewest changes through history. Explains evolution with the minimal amount of evolutive changes. It recognizes the monophyletic groups as natural groups. These groups are the clades, and their classification -sequencing- represents their phylogeny.  

• The sequencing term refers to lists of groups according to their relation. One group is the brother-group of the following one.  

So the cladogram represents the relationship between groups according to a derived character.  

The derived character is any trait that a group passes to the descendants. Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.

A cladogram provides an image of how new species keep characters that were inherited from older species.

In the attached cladogram, you can see that the lungs are the derived character that distinguishes the salamander from the perch.

Claws or nails separate salamander from lizards.

Fur separates birds and reptiles from mammals.

Jaws separate hagfish from perch.

Mutations occurred in evolution producing new traits, and these traits also appear in posterior groups. So, after the hagfishes emerged the jaws, and all the animals that followed the hagfishes have jaws.

Lungs appeared after the perch and before salamander, so salamander, and all the posterior animals, have lungs. And so on.

white

Explanation:

the white bug is lighter so the bird will most likely to go for it

The statement 'triplets of nitrogen bases encode specific amino acids that are assembled by RNA molecules to form a protein' describes the way in which information specifies traits in DNA.

The genetic code is the information contained in the DNA molecule which is used to synthesize proteins.

DNA is transcribed in a messenger RNA, which is composed of triplets of nucleotides or codons that determine amino acids.

In conclusion, triplets of nitrogen bases encode specific amino acids that are assembled by RNA molecules to form a protein describes the way in which information specifies traits in DNA.

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We noticed that the exercise provides us with the following information:

• The animal is ,active at night, and only goes to the surface at night;

• He stays during the day underground.

Analyzing the alternatives, we can say that:

• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.

• B) is correct. As mentioned in alternative "A", the predator is active during the day.

• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.

• D) is incorrect, he increased his mating opportunities at night times.

Answer: B.

PCR testing is the best method for fetal DNA typing due to its specificity, sensitivity, speed, and ability to detect specific genes. However, it requires specialized equipment and trained personnel.

PCR (polymerase chain reaction) testing is considered the best method for fetal DNA typing for several reasons, but not all the options listed in the question are accurate.

Firstly, PCR testing is highly specific and sensitive, which makes it a reliable method for detecting fetal DNA in maternal blood.

This is important because traditional methods for fetal DNA typing, such as amniocentesis and chorionic villus sampling, are invasive and carry risks for the mother and fetus.

PCR testing, on the other hand, requires only a small sample of maternal blood and can detect fetal DNA with a high degree of accuracy.

Secondly, PCR testing is relatively fast, with results typically obtained within a few days. This allows for early detection of fetal genetic abnormalities or other conditions, which can be critical for treatment decisions and parental planning.Thirdly, PCR testing is a highly standardized and automated process, making it relatively inexpensive and widely available.

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Answer:

b

Explanation:

Answer:

1. Light energy.

2. Heat energy.

3. Kinetic energy.

4. Potential energy.

5. Chemical energy.

Hope this helps!

Caesar Salad, milk and cereal, Blood, Sand  are heterogeneous mixture while water, sugar and salt are compounds and Iron filings is a element and Sea water is a homogeneous mixture

A pure substance with only one kind of atom makes up an element. The elements oxygen, hydrogen, and iron are examples.

A compound is a substance that is composed of two or more distinct elements that have been chemically bonded together in a specific proportion. Examples include sodium chloride, carbon dioxide, and water.

A combination of two or more substances that are evenly distributed at the molecular level is referred to as a homogeneous mixture. The mixture's composition is constant throughout. Examples include air, sugar water solutions, and saltwater.

A combination of two or more substances that are not distributed equally is referred to as a heterogeneous mixture. Visual differentiation between the various elements is possible and with time, they may settle or separate. A salad with various ingredients, soil and vinegar dressing are some examples.

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In Animal Crossing, gyroid fragments are used to make gyroids that can be put in your house.

Obtaining Gyroid Fragments is the only way to get gyroid fragments in Animal Crossing: New Leaf is through the Dream Suite. This can be accessed through Main Street. The Dream Suite provides players with the ability to visit Dream Towns. These towns are fictional and allow players to interact with new characters and acquire new items.

Exchanging Gyroid Fragments for every five gyroid fragments collected, a gyroid will be created. The gyroid's design is chosen randomly, but it can be exchanged if it's not what the player is looking for. The exchange can be done with Lloid, the gyroid character who is standing outside the recycling shop. This exchange is not free and will cost the player 10 bells.

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Answer:

A:

ATP

Explanation:

Science yeah

Answer:

True

Explanation:

Usually, dominant traits will show more often because they are, well, dominant. For example, BB and Bb would both show up with dominant traits. It would be required for all lowercase bs in order for a recessive trait to be seen.

The most accurate statement about the evolution of modern camels is that as a common ancestor of camels, llamas, vicuñas, and Guanacos migrated out from North America and evolved over time.

This is referred to as the changes in heritable features of an organism over successive generations and is usually passed as a trait from the parent to offspring.

Camels, llamas, Vicuñas, and Guanacos had common ancestors which migrated out from North America. They however went through evolutionary processes so as to aid them adapt to their new environments.

This is therefore the reason why option D was chosen as the most appropriate choice.

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Answer:

9 pm

Explanation:

A pulls into the station every 6 hours while B pulls into the station every 3 hours. Hence, for every time A pulls up, B must have pulled up twice.

They both pulled into the station at 3 pm. At 6 pm (3 pm + 3 hours), B would pull into the station while A would still be on the road. At 9 pm (3 pm + 6 hours), B will pull in once more while A will just be pulling up the first time since 3 pm.

Hence, the next time both trains will pull into the station at the same time would be 9 pm.

Individuals with diabetes are encouraged to take note more importantly than the quantity of macronutrients, the quality of the dietary fats and carbs consumed.

It has been shown that diets high in whole grains, fruits, vegetables, legumes, nuts, moderate alcohol consumption, and low in refined grains, red/processed meats, and sugar-sweetened beverages improve glycemic control and blood lipids in diabetic patients while lowering the risk of developing the disease. Diabetic patients' blood glucose levels can be improved by dietary factors like a favorable energy balance and excessive adiposity, dietary fat quality and amount, carbohydrate quality and quantity, vitamin and mineral intake, and individual and group foods.

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1. The process that generates energy in the sun's core, known as nuclear fusion, is fundamentally different from an explosion caused by a chemical reaction. 2. Energy is transferred from the core of the sun to its surface through a process called radiative transfer. 3. Energy from the surface of the sun is transferred to Earth primarily through electromagnetic radiation. 4. The 11-year solar cycle, also known as the sunspot cycle, refers to the periodic variation in the activity of the sun.   5. The solar cycle can influence the amount of energy Earth receives from the sun.

1. In nuclear fusion, hydrogen nuclei combine to form helium, releasing a tremendous amount of energy in the form of light and heat. This process occurs under extremely high temperature and pressure conditions, driven by the gravitational force in the core.

On the other hand, an explosion caused by a chemical reaction involves the rapid release of stored chemical energy through breaking and forming of molecular bonds, which is different from the nuclear reactions occurring in the sun's core.

2. In the sun's core, photons are continuously emitted and absorbed by the highly dense plasma.

These photons undergo a random walk, interacting with the plasma particles and being repeatedly absorbed and re-emitted. As they move toward the surface, this process gradually transports the energy generated in the core to the outer layers of the sun.

3. The sun emits a wide spectrum of electromagnetic waves, including visible light, ultraviolet radiation, and infrared radiation. These waves travel through the vacuum of space and reach Earth, where they are absorbed by the atmosphere, the land, and the oceans.

This absorbed energy is then redistributed and transformed through various processes, driving weather patterns, ocean currents, and supporting the Earth's biosphere.

4. It is characterized by an increase and decrease in the number of sunspots, which are dark spots on the sun's surface associated with magnetic activity. The solar cycle is driven by the sun's internal magnetic field, with the magnetic activity reaching a peak every 11 years.

5. During periods of high solar activity, there is an increase in the number of sunspots, and the sun's output of electromagnetic radiation, including visible light and ultraviolet radiation, is generally higher. This can lead to a slightly increased amount of energy reaching Earth's atmosphere and surface.

Conversely, during periods of low solar activity, the solar output decreases, resulting in slightly reduced energy reaching Earth. While these variations are relatively small and have minimal impact on Earth's climate on their own, they are important factors to consider when studying long-term climate patterns and solar influences on our planet.

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