complete the sentences about genetic variation with the correct terms. two or more genes derived from an ancestral gene are:_______

I hope this helps!!!!

Answer:

I think it's true

Explanation:

hope this helps:)

Answer:

True

Explanation:tell me if i am wrong

Answer:

true

Explanation:

Answer:

False

Explanation: Chicken hands do not have any similarites to a human hand since their both built differently they also have different type of veins

Answer:

the water would evaporate and the water would be gone

Explanation:

hope this helps

Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.

Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.

Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.

The chemical equations involved in acid deposition formation are:

  a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)

  b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)

Acid deposition can be classified into two types: wet deposition and dry deposition.

  a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.

  b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.

The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.

A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.

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Answer:

Diffusion and Osmosis

Explanation:

Osmosis is a process in which water diffuses across cell membranes. Osmosis is the process of transferring water through a semipermeable membrane, with the solvent (for example, water) going from a low solute (dissolved substance) concentration to a high solute concentration.

Answer:

Either too much or too little potassium in the blood can cause Multiple Choice excessive sweating. extreme hunger. liver damage

On several branches of the tree, the many ecomorphs are clustered together, but none of them are gathered in a single large group.

These are anoles that live on the top branches of trees; they share a few physical traits, including as very large bodies, large heads, extensive subdigital lamellae, and serrated dorsal crests. The majority of species are green.

Male anoles battle other adult males and court females using brightly coloured skin flaps behind their necks, known as dewlaps. Dewlaps also enable lizards to discriminate between members of their own species and those of other species.

The presence of identical ecomorph classes on several islands is explained by many theories. According to one theory, each ecomorph only underwent one evolution, and animals that belong to the same ecomorph are closely linked to one another.

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Fetal nourishment is required for the growth and development of the fetus during pregnancy. The structure responsible for providing fetal nourishment is called the placenta (option D).

The placenta is an organ that forms during pregnancy and is responsible for providing nourishment and oxygen to the developing fetus. It develops from the uterine lining and the embryonic tissues. The placenta acts as a connection between the mother and the fetus, allowing for the exchange of nutrients, oxygen, and waste products between their bloodstreams.

Through the placenta, the mother's blood supply provides oxygen and nutrients, such as glucose, amino acids, and vitamins, to the developing fetus. At the same time, waste products, including carbon dioxide and metabolic waste, are removed from the fetal bloodstream and transferred to the mother's bloodstream for elimination.

In addition to nutrient exchange, the placenta also plays a role in hormone production, including human chorionic gonadotropin (hCG), progesterone, and estrogen, which are important for maintaining pregnancy and supporting fetal development.

Overall, the placenta serves as a vital interface between the maternal and fetal circulatory systems, ensuring the necessary nourishment and oxygen supply for the growing fetus throughout pregnancy.

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Answer:

C. A group is the sum of the behavior of all of the group members.

Explanation:

The statement which best describes group behavior is: C. A group is the sum of the behavior of all of the group members.

A group is also referred to as a team and it can be defined as a group of people or set of individuals having various skill set, knowledge, ideas and experience, who come together to work on a project or task, in order to successfully achieve a set goal and objective.

Therefore, individuals working as a group usually interact with the other group members and as a result, this enhances performance and strengthen the level of relationship they share.

In conclusion, a group is the overall sum of the behavior of all of the members in a particular group.

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Answer:

if u can list it then list it :/

Explanation:

Environmental factors help cells and organisms mutate to get better results and less deaths in an ecosystem

ur welcome :)

brainliest please?

Answer:

30 years

Explanation:

Answer:

30 Years

Explanation:

The Hudson river was contaminated in 1947-1977. Which is about 30 years

Answer:

The rate would slow down.

Explanation:

as ATP binds to the regulatory site, lowering phosphofructokinase activity.

Answer:

Should be Organic Compound

The cloud that is confined to the middle height range is the altostratus cloud. Altostratus clouds are characterized by a uniform gray or blue-gray appearance and cover the sky in a layer. They often indicate the approach of a warm front, and can bring steady precipitation or drizzle.

Altostratus clouds are typically found at altitudes of 2 to 6 kilometers (6,500 to 20,000 feet). They are composed of water droplets and sometimes ice crystals. These clouds are thicker and less transparent than cirrostratus clouds, but not as dense and heavy as nimbostratus clouds.
Unlike cumulonimbus clouds, which are associated with thunderstorms, altostratus clouds do not produce intense vertical development or significant vertical motion. They can sometimes be mistaken for high-level stratus clouds, but their position in the middle height range distinguishes them.
In summary, the cloud confined to the middle height range is the altostratus cloud. It appears as a uniform gray or blue-gray layer, can bring steady precipitation, and is found at altitudes of 2 to 6 kilometers. Altostratus clouds are not as dense as nimbostratus clouds or as transparent as cirrostratus clouds.

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Explanation:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

Answer:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

1) False 2) False 3) The opportunity cost of one more pound of Fish decreases as Crusoe spends more time catching fish 4) The opportunity cost of Fish from Possibility A to Possibility B is 3 less pounds of Fruit.

1) The given combination of 10 pounds of Fish and 0 pounds of Fruit is not attainable since it does not correspond to any of the possibilities provided. None of the possibilities mention this specific combination.

2) The combination of 11 pounds of Fish and 0 pounds of Fruit is not efficient. Efficiency refers to achieving the maximum possible output with the given resources. Since Possibility F allows Crusoe to produce 11 pounds of Fish and still produce 0 pounds of Fruit, it indicates that more Fruit could be produced without sacrificing Fish production. Therefore, it is not an efficient combination.

3) As Crusoe spends more time catching fish and catches more fish, the opportunity cost of one more pound of Fish decreases. Opportunity cost refers to the value of the next best alternative that is given up when making a choice. In this case, as Crusoe catches more fish, he has to allocate more time and resources to fishing, resulting in a decrease in the production of fruit. The decrease in fruit production represents the opportunity cost of producing one more pound of Fish.

4) The opportunity cost of one more pound of Fish when moving from Possibility A to Possibility B is 3 less pounds of Fruit. This is because Crusoe gives up the production of 3 pounds of Fruit (from 28 to 24 pounds) in order to produce 4 pounds of Fish instead of 0 pounds. The difference in Fruit production between the two possibilities represents the opportunity cost of producing one more pound of Fish.

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Answer:

The functional groups determine the shapes of macromolecules and this in turn determines their functions.

Functional groups affect the bonds that hold a macromolecule together. For example, the ring forms of glucose in starch and cellulose have different configurations. As a result, cellulose and starch serve different purposes.  

Functional groups also affect the polarity of the bonds. Lipids consist of hydrophilic heads (red) and hydrophobic tails (black and white). This characteristic of lipids allows them to form bilayers, which serve as membranes of cells.  

Proteins have complex structures caused by interactions between the functional groups. A change of a single amino acid can make a major change in the function of a protein.

Explanation:

Answer:

1. 0.24255319g/l

2. 2.7g/cm^3

3. 1.3g/ml

(im not sure about the units of measurements)

Explanation:

1. density = mass/volume

5.7g/23.5l = 0.24255319g/l

2. d=m/v

m=2700g, v= 20x5x10 = 1000cm^3

= 2700/1000= 2.7g/cm^3

3. d=m/v

m= 78g, v= 60ml

= 78/60 = 1.3g/ml

Answer:

To survive

Explanation:

Without water, we wouldn't have organisms such as fish. We also need it to break down food molecules or generate energy during the respiration process.

Answer:

D

Explanation:

phosphorus is usually not shown in gas form

Answer:

The student found that each of these organisms had a heart to pump blood.

Answer:

can you translate this is English?

Answer:

Explanation:

in all the question we have to use same technique

in 1 question

weight/force exerted by dorje(F)=1500N

total surface area of sole(A)=0.5m²

we know that,

   P=\(\frac{F}{A}\)

or, p=\(\frac{1500}{0.5}\)

∴ P=3000pa

in question 2nd

pressure(P)=40 pa

force exerted by block(F)=80N

we know,

pressure(P)=\(\frac{Force(F)}{Area(a)}\)

   area=\(\frac{80}{40}\)

∴area =2m

ow you can do other by yourself

Answer:

Absorption: The process of absorbing nutrients occurs primarily in the small intestine. Once the food is broken down into smaller molecules through digestion, these molecules are absorbed into the bloodstream. For example, carbohydrates are broken down into simple sugars, proteins into amino acids, and fats into fatty acids and glycerol.

Circulatory System: The circulatory system, composed of the heart, blood vessels, and blood, plays a crucial role in transporting absorbed nutrients. The blood vessels form an extensive network that reaches all tissues and organs in the body.

Hepatic Portal System: After absorption, most of the nutrients are transported to the liver through a specialized system called the hepatic portal system. This system ensures that the liver, which performs various metabolic functions, receives a concentrated supply of nutrients before they are distributed throughout the body.

Bloodstream Transport: Once in the bloodstream, nutrients are carried by the plasma, the liquid component of blood. Different nutrients use specific mechanisms for transport:

Glucose: It is transported by facilitated diffusion or active transport, depending on the concentration gradient, with the help of insulin.

Amino Acids: They are transported through the bloodstream by specific carrier proteins.

Fats: Dietary fats are initially packaged into structures called chylomicrons and transported through the lymphatic system before entering the bloodstream. Once in the bloodstream, fats are carried by lipoproteins such as low-density lipoprotein (LDL) and high-density lipoprotein (HDL).

Distribution to Tissues: As the blood circulates, nutrients are distributed to various tissues and organs according to their specific needs. Nutrients are delivered to cells through the capillaries, the smallest blood vessels in the body, which have thin walls that allow for the efficient exchange of nutrients and waste products.

Cellular Uptake: Nutrients are taken up by cells through various mechanisms. For instance, glucose enters cells with the help of insulin, while amino acids are transported into cells through specific carrier proteins. Fats are taken up by cells through receptor-mediated endocytosis or by diffusion.

Metabolism: Once inside the cells, nutrients undergo metabolic processes to produce energy or build new molecules. Glucose, for example, can be metabolized through glycolysis, the Krebs cycle, and oxidative phosphorylation to generate ATP, the cell's energy currency.

Waste Removal: Metabolic byproducts, such as carbon dioxide and urea, are generated during nutrient metabolism. These waste products are transported back into the bloodstream and eventually eliminated from the body through the lungs (carbon dioxide) or the kidneys (urea).

It's important to note that different nutrients may have different transport mechanisms and pathways. The body's ability to efficiently transport and utilize absorbed nutrients is vital for maintaining proper functioning and overall health.