In some instances, humans breed animals that are close relatives to produce desired traits. This is called

Answer:

headwater

Explanation:

Diffusion is an example of passive transport of materials through the cell membrane. Therefore option D is correct.

Passive transport is the movement of substances across the cell membrane without the use of energy. It occurs along the concentration gradient, which means that substances move from an area of higher concentration to an area of lower concentration.

Diffusion is a type of passive transport where molecules or ions move from an area of higher concentration to an area of lower concentration until equilibrium is reached. This process occurs spontaneously and does not require the cell to expend energy.

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Answer:

A small finger line projections find in the small intestine is called as villi. The main function of villi and microvilli is to increase the surface area of the intestine. It also contains specialized cells that work to transport substances in the bloodstream. They increase the absorptive surface area to 30 to 600 fold.

Folds and villi are specialized structures found in the small intestine of the digestive system, and their main function is to increase the surface area available for absorption of nutrients from digested food.

These structures significantly enhance the efficiency of nutrient absorption in the digestive tract.

Folds (or plicae circulares): Folds are large, permanent, transverse ridges or folds in the inner lining of the small intestine. They are circular or spiral in shape and run perpendicular to the length of the intestine. Folds serve to slow down the movement of food and increase the contact time between the intestinal lining and the chyme (partially digested food). This allows for more thorough digestion and absorption of nutrients.

Villi: Villi are finger-like projections that cover the inner surface of the small intestine. They are much smaller than folds and are present in large numbers. Each villus is lined with specialized cells, including absorptive cells (enterocytes) and goblet cells. Villi contain an extensive network of blood vessels and a lymphatic vessel called a lacteal. The villi significantly increase the surface area of the small intestine. Their main function is to further facilitate the absorption of nutrients, including carbohydrates, proteins, fats, and various vitamins and minerals.

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Ans.

The carrying capacity of a biological population in is defined as the maximum size of population or number of individuals of that species that can be sustained indefinitely by an environment, given the water, habitat, food and other resources.

Decrease in available resources lead to decrease in carrying capacity of an environment for a population. The rainforest's bee population is a limiting factor for orchid population, decrease in bee population will lead to decrease in orchid population.

Hence, the carrying capacity will decrease due to decrease in limiting factor as the number of orchids that can be sustained by the environment would decreases.

Thus, the correct answer is 'option). C.'

Answer:

C. The carrying capacity will decrease because the level of the limiting factor decreases.

Explanation:

Answer: Gases in the atmosphere absorb heat

Earth’s surface radiates energy back into the atmosphere.

Gases in the atmosphere radiate heat back to the surface.

Explanation:

The greenhouse effect is a natural process in this the light energy from sun is trapped by the diatomic gases like carbon monoxide, carbon dioxide and others. The abundance of these gases due to human activities like burning of fossil fuels and deforestation is responsible for raising the global temperature levels. Also the earth surface radiates back the incident light energy from sun back to the atmosphere. The gases accumulates in the atmosphere also radiate back to the surface of earth raising the temperature of biosphere, hydrosphere and lithosphere affecting the life of living beings.

Scientific method is an empirical method of knowledge acquisition, involving careful observation, formulating hypotheses based on such observations, testing deductions drawn from the hypotheses, and refinement or rejection of hypotheses based on the results of the tests.ext we have to know what “theory of evolution” we’re talking about. Let’s begin with the theory proposed by Charles Darwin in the Origin of Species.

I don’t know what “No assumptions here” in the question details is supposed to mean. Making hypotheses is part of the scientific method. Maybe it means that a hypothesis is assumed subject to verification, while an assumption is an axiom not subject to test. The scientific method makes testable hypotheses but never makes firm assumptions.

Darwin made a lot of observations. Then he made two hypotheses:

The observed variation among individuals can accumulate to produce all the differences we observe among species.

The effect of these variations on the ability of a living entity to survive and reproduce preserves some variations and eliminates others.

The heritability of variations was essential to the theory, but it was an observed fact, not an assumption or a hypothesis.

Answer:

soooooo whats the answer??

Explanation:

Genes are located on chromosomes which are found in the nucleus of cells  is relationship exists between genes and chromosomes. The correct option is A.  

Thus, Chromatin is the material that makes up chromosomes. The condensed DNA strands that make up chromosomes are known as chromatin.

The sections of DNA that code for proteins are known as genes. As a result, each chromosome is formed of DNA and has numerous genes because of DNA segments.

Chromosomes are where genes are found. Chromosomes are essentially collections of DNA. The cell 'wraps up' the lengthy DNA strands and compresses them into chromosomes in order to keep everything ordered.

Thus, Genes are located on chromosomes which are found in the nucleus of cells  is relationship exists between genes and chromosomes. The correct option is A.  

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undergo processing by metabolism.

verb

gerund or present participle: metabolizing

(of a body or organ) process (a substance) by metabolism.

(of a substance) undergo processing by metabolism.

"the refined foods soon metabolize"

glycolysis that is the first step in cellular respiration

The process of respiration that happens first in the cells of the body is called glycolysis.

Glycolysis is the first step in cellular respiration, which is the process by which cells produce energy. Glycolysis occurs in the cytoplasm of the cell, and it does not require oxygen.

In glycolysis, glucose is broken down into two molecules of pyruvate. This process releases a small amount of energy, which is used to synthesize ATP, a molecule that stores energy. Glycolysis also produces two molecules of NADH, which are used in later steps of cellular respiration to produce more ATP.

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Electrons.................................................

Electrons are the negatively charged subatomic particles. Protons are the positively charged particles, and neutrons have no/neutral charge. Hope I helped! :)

your correct answer would be A

The action of ATP is useful to the cell is stores chemical energy for the cell to use at a later time. The correct option is A.

A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphate.

When the cell needs energy, ATP can be taken out and used to fuel processes or stored for use in later ones. Animals use ATP to retain the energy released during meal digestion. ATP produces additional ATP whenever a muscle cell needs energy to contract. ADP is produced by the hydrolysis of ATP. The mitochondria get ATP once it has been phosphorylated.

Therefore, the correct option is A) stores chemical energy for the cell to use at a later time.

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Primary succession occurs when new land is formed or bare rock is exposed, providing a habitat that can be colonized for the first time.

Answer:

B- They Separate the Sister Chromatids

Explanation:

During cell division, microtubules form the spindle forms at the equator of a dividing cell. Thereon, duplicated chromosomes (sister chromatids which are not yet apart) are arranged on the equator plate. The spindle fibers then pull apart each and allow the movement of separated chromatids towards each pole. This process takes place both in mitosis and meiosis.

Answer:

they pull the cell membrane in

Explanation:

Yes, I would think of formulating this treatment to slow down the cell growth.

In a cancer patient, the cell cycle is disturbed because it undergoes division very rapidly, leading to the production of unwanted and uncontrolled growth of cells. For the treatment, it would be a better option for the researcher to formulate a anti-cancer agent that slows the cell cycle. Because if the growth of the cell is slowed, the tumour (unwanted and uncontrolled cell growth) will regress and thus more chances of recovery of the patient will be there.

It is a molecule that contains a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.

A macromolecule is a very large molecule, such as protein, commonly created by polymerization of smaller subunits (monomers). They are typically composed of thousands or more atoms. The most common macromolecules in biochemistry are biopolymers (nucleic acids, proteins, carbohydrates and polyphenols) and large non-polymeric molecules (such as lipids and macrocycles). hoped it helped.

Photosynthesis occurs in the chloroplasts within plant cells. These organelles contain chlorophyll, absorbing sunlight to convert carbon dioxide and water into glucose.

In biology, the process of photosynthesis, an essential part of a plant cell's energy production, primarily takes place in the chloroplast. Option A) Chloroplast is the correct answer to your question. Chloroplasts are specialized organelles within the plant cell structure which contain chlorophyll, a pigment that absorbs sunlight and gives plants their green color. This energy from sunlight is then used in the process of photosynthesis to convert carbon dioxide and water into glucose, a type of sugar that plants use as a source of energy.

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It prevents backflow of the blood

Blood enters from the right atrium to the right ventricle through the tricuspid valve also called right atrioventricular valve. Ventricles are filled during diastole (relax) period and blood leaves the ventricle during systolic (when the ventricle contracts) period. During systole, this tricuspid valve closes and prevents the backward flow of blood into the right atrium. This causes all blood to move towards the pulmonary arteries.

The tricuspid valve closes when the ventricle is full, preventing backflow of blood due to increased pressure from the contracting ventricle. This action ensures the directionality of blood flow through the heart. In the second phase of ventricular diastole, the tricuspid and mitral valves open allowing the atria to refill the ventricles.

When the ventricle is full, the action of the tricuspid valve is to close. This closing action happens due to the contraction of the ventricle muscle that increases the pressure of blood within the ventricle chamber causing the blood to flow back towards the atrium. This backflow leads to the closure of the tricuspid valve in a process known as isovolumic or isovolumetric contraction.

The tricuspid valve, a one-way membranous flap of connective tissue between the atrium and the ventricle, functions to maintain unidirectional blood flow through the heart, specifically on the right side. As the pressure drops within the ventricles during the second phase of ventricular diastole (also known as late ventricular diastole), blood flows from the major veins into the relaxed atria and from there into the ventricles when the tricuspid and mitral valves open.

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The phenomenon of small water droplets remaining stuck to the glass despite emptying can be accounted for by the properties of cohesion and adhesion in water. Cohesion makes water molecules stick together forming droplets, whereas adhesion makes these droplets stick to the glass walls.

The student's observation of small droplets of water remaining stuck to the glass can be explained by two properties of water: Cohesion and Adhesion. Cohesion is the property of water that makes its molecules attracted to each other, causing them to stick together and form droplets. Adhesion is the property that allows water molecules to be attracted to other substances, in this case, the glass, allowing it to stick to the glass walls.

For example, when the student empties the glass, the cohesion property makes water molecules stick together, thus forming small droplets. Meanwhile, the adhesion property causes these droplets to stick to the glass. Together, these two properties explain why droplets of water remain in the glass after it has been emptied.

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Pulmonary Artery: Carries deoxygenated blood from heart to lungs

Pulmonary Veins: Carries oxygenated blood from lungs to heart

Inferior Vena Cava: Carries deoxygenated blood from inferior body to heart

Coronary Arteries: Carries oxygenated blood to heart tissues

Answer:

Pulmonary artery conducts deoxygenated blood from the heart to the lungs.  

Aorta mediates oxygen-enriched blood away from the heart.  

Inferior vena cava conducts deoxygenated blood from the lower body to the heart.  

Coronary artery branches from the aorta and offers oxygen to the muscles of the heart.  

Explanation:

Pulmonary artery transports deoxygenated blood from the heart, it is also the specific artery found in the circulation system, which transports deoxygenated blood. When the blood goes inside the lungs it picks up oxygen and goes back to the heart with the help of a pulmonary vein.  

The aorta refers to the biggest artery found in the human body. When the blood is pumped upwards through the left ventricle, then it goes via the aorta and then gets distributed to the other body parts.  

The inferior vena cava transports deoxygenated blood from the lower limbs of the body, on the other hand, the superior vena cava transports blood from the upper limbs and head of the body.  

The heart gets its blood supply through the coronary artery. There are two prime coronary arteries, the right and the left coronary artery that gets separated even further into small arteries.  

Salt makes your body hold on to water. If you eat too much salt, the extra water stored in your body raises your blood pressure. So, the more salt you eat, the higher your blood pressure.

Salt affects kidney delicate balance of fluid and increases blood pressure.

Kidneys exclude the unwanted fluid from the body by filtering the blood. The sodium and potassium ions play their role to get extra water from the blood to urine collecting channels which then lead this water or fluid to the urinary bladder. So, eating the more salt increase these ions which wreck the delicate balance of filtration.

The more salts in the body also result in a higher blood pressure because of holding more water in the blood than the kidney filtrate channels.

Answer:

dominant alleles are expressed as I. so in your punnet square it would look like this: Ii, II, ii, Ii.  

Explanation:

so only one will have the dominant alleles, which will be the bottom left corner one.

Final answer:

Psychology is the scientific study of mind and behavior, exploring various areas such as learning, emotion, and social interactions through the scientific method. It is a young science rooted in the 19th century and provides critical thinking skills, along with preparation for careers in various fields that apply psychological principles.

Explanation:

Introduction to Psychology

Psychology is defined as the scientific study of mind and behavior. This field encompasses a wide range of topics, from the basic functions of the brain to the complexities of human behavior and interactions. Psychology as a science is relatively young, with its roots in the 19th century, and it offers insights into numerous aspects of the human condition, such as learning, memory, emotion, and social interaction.

Psychological research relies on the scientific method to explore theories and understand how the mind works. Through branches such as biopsychology, researchers can investigate the biological underpinnings of thought and emotion, whereas areas like industrial-organizational psychology apply psychological principles in business and organizational contexts.

As a college-level subject, students engaging with psychology will gain critical thinking skills, become familiar with the scientific method, and appreciate the multifaceted nature of human behavior. The objectives of a comprehensive psychology program include understanding various psychological concepts and preparing for a diverse set of careers involving psychological expertise.

C. I think because then you don't need so much paper waste. It cuts down on so much wasted paper

Answer:

C. Eletronic storage of files

Explanation:

The pigs on the farm generate a lot of waste like manure and excrement residues left on the ground by these animals.

Nuclear power still produces radioactive waste (liquid, solid, gas and biological waste).

Replacing paper with electronic files, in turn, drastically reduces the amount of waste, as no large physical space or bulky material disposal will be required, as with paper files.

Disposable milk cartons can facilitate recycling processes, but do not necessarily reduce the amount of waste from these materials.

Given these statements, it can be concluded that the correct alternative, which shows a greater reduction in waste is C.

There is an important difference because the solar energy is provided by the sun and matter doesn't decrease from Earth no matter what. The solar energy input provides plants with energy to grow and for animals to not die of the cold. Plants are food for omnivores and herbivores and thus supporting the earth's ecosystem.

Answer:sleep

Explanation:u need it

I think would be C im pretty sure

is B because he growth rate of a population that has a limited food supply will most likely be logistic. A limited food supply is not natural. Exponential growth rate would require unlimited resources. A random growth rate would occur with changing food supplies.

Answer:

Mesoderm gives rise to muscles, bones, the heart, circulatory system, and internal sex organs .

Explanation:

The mesoderm is a germ layer that forms during gastrulation and is formed in between the ectoderm and endoderm.

The mesoderm gives rise to muscle, cartilage, bone, connective tissue, bone marrow, blood, lymphoid tissue, and to the epithelia of blood vessels, lymphatic vessels, genital ducts, body cavities, ureters, sex organs, adrenal cortex, kidneys, and certain other tissues.

Thus, mesoderm gives rise to muscles, bones, the heart, circulatory system, and internal sex organs .

Answer:

D. all of these

many large or deep bruises, randomly bleeding

Final answer:

Individuals with hemophilia appear like anyone else and show no distinguishing physical characteristics. The disorder affects the blood's ability to clot, with the most common forms linked to the X chromosome, making it more prevalent in males.

Explanation:

People with hemophilia look like any other person and do not have any distinct physical features that indicate the presence of the disorder. Hemophilia is a genetic disorder that impacts the blood clotting process, causing individuals to bleed excessively from even minor injuries. In hemophilia A, there is an inadequate synthesis of clotting factor VIII, whereas hemophilia B is characterized by a deficiency of clotting factor IX. Both disorders are X-linked, meaning they are more common in males who inherit one mutated X chromosome. Females need two mutated X chromosomes to express the disease, making it rarer in females. Hemophilia C, a less common form, involves a deficiency of factor XI and is not sex-linked.

Regular treatment for individuals with hemophilia includes infusions of clotting factors to prevent bleeding episodes. Advances in medical science, such as genetic therapy, hold promise for future treatments. Hemophilia affected historical figures, including the royal families of Europe, shedding light on the hereditary nature of the disease.

Hey there!

Decomposition is a term used to describe the processes in which organic matter is degraded into smaller particles and nutrients. These nutrients are returned in the middle and can be reused by other Organisms. therefore, we can conclude that decomposers are fundamental organisms for the realization of the biogeochemical cycles, such as carbon and nitrogen, because they release these substances so that they can be reused.

Happy to work with you.

The meaning of decomposition = the breakdown of raw organic materials to a finished compost