Scientists found members of a plant species they did not recognize. They wanted to determine if the unknown species was related to one or more of four known species, A, B, C, and D. The relationship between species can be determined most accurately by comparing the results of gel electrophoresis of the DNA from different species. The chart below represents the results of gel electrophoresis of the DNA from the unknown plant species and the four known species.

Answer: Net primary productivity is the amount of gross primary productivity remaining after respiration, which is about 40 and 85 percent. Sloughs and marshes, as well as tropical rain forests, possess the highest rates of net primary productivity; deserts have the lowest.

Explanation:

I explained on the top-

The highest rate of primary productivity in terrestrial environments takes place in swamps and marshes and in tropical rainforests, and in aquatic environments it takes place in algal beds, estuaries, and reefs.  

• In ecology, primary productivity refers to the rate at which conversion of energy to organic substances takes place by the photosynthetic producers that attain energy and nutrients from the sunlight, and chemosynthetic producers that attain chemical energy via oxidation.  

• The majority of the energy assimilated by plants via the process of photosynthesis is not stored as organic substance, however, is utilized at the time of cellular respiration.  

• In the process, the organic components like proteins, carbs, and fats are dissociated to provide energy in the form of ATP for the metabolic needs of the cells.  

• The energy not utilized is stored in the tissues of the plants for future use and is known as the net primary productivity.  

• The highest net primary productivity in terrestrial environments takes place in marshes and swamps and in tropical rainforests, and in aquatic environments it takes place algal beds, estuaries, and reefs.  

These environments are mainly critical for the sustenance of global biological productivity.

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Answer:

Origin of Species by Means of Natural Selection

Answer:

B. Mitosis

Explanation:

In mitosis the chromosomes line up in a single line in the middle of the cell.

The state of maintaining a stable internal environment regardless of changing external conditions is called [tex]\sf\purple{homeostasis}[/tex].

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Answer:

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NCERT Chemistry Part II for Class 11.

NCERT Physics Part I for Class 11.

NCERT Physics Part II for Class 11.

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Answer:

AO and BO

Explanation:

For the offspring of two parents to have a recessive trait, both parents must have the recessive trait. In this case, the brother has type O blood, meaning both of the parents must have the type O blood present in their genotype, which is why the answer is AO and BO.

Answer:

AO and BO

Explanation:

if you cross the parents the possible outcomes are

       A       O

B ║AB    BO

  ║

O║AO   OO

Claim: This process uses expensive fertilizers and pesticides to grow pest free crops which may be produced in excess. Explain the reasons why people would go against growing wheat this way.

Your answer: Here are 3 reasons that go against growing wheat this way.

1. The fertilizers and pesticides are expensive and cost farmers a lot which takes away from the revenue that farmers make from growing the crops in the first place.

2. Other then fertilizers and Pesticides its a lot of work as you can see on the chart throughout the year there are many things you must do too keep crops bug free and pest free this reason I'm explaining says that taking and doing all of this work for not pests/bugs is too much and not needed.

3. Fungicide Is needed a lot and incredibly expensive when you used/spray it on crops that much and point goes a lot more for large crops too.

If these reasons don't work, find factors that or counterclaims that go against this method of harvesting wheat. (This is what your supposed too do)

Answer:

Sistema digestivo

Explanation:

Los principales sistemas del cuerpo humano son:

Sistema respiratorio, sistema circulatorio, sistema nervioso, sistema inmune, sistema digestivo, sistema óseo, sistema urinario, sistema reproductor y sistema muscular.

Como dice el enunciado, el estómago comienza a digerir los alimentos haciendo parte, así, del sistema digestivo cuya función es digerir los alimentos y absorber sus nutrientes.

Answer: The mass of carbon in the products is greater than the mass of carbon in the reactants.

Explanation:

Answer:

Rhizopus fungi are characterized by a body of branching mycelia composed of three types of hyphae: stolons, rhizoids, and usually unbranching sporangiophores. The black sporangia at the tips of the sporangiophores are rounded and produce numerous nonmotile multinucleate spores for asexual reproduction.

Answer:

true

Explanation:

Answer:

The rock cycle is a constant transformation of rocks between the three rock types of igneous, sedimentary, and metamorphic. If the sediments are buried behind other layers of sediment, they can lithify and form sedimentary rock. When rocks melt, magma is formed. Rocks form deep below the Earth, move and sometimes change, rise to the surface, and eventually return to their original location.

Answer:

it would probably break something depends on were you are

Explanation:

Answer:

B. False

Explanation:

Crossing over not occurs in prophase II. It occurs only during prophase I.

Answer:

B. Increase

Explanation:

Since lions rely on zebras as a food source, if there are more zebras (more food sources for the lions), there will also be more lions. Therefore, the lion population would increase initally.

Answer:

The way something changes to fit its natural environment or surroundings to have a better chance at success for anything

Explanation:

Answer:

One might carry more genes from the father and the other might carry more genes from the mother. Also, the children may carry the genes of their grandparents and stuff like that.

Explanation:

Hope this helps

Answer: Anorexia nerviosa.

Explanation:

La anorexia nerviosa es un trastorno o desorden alimenticio en donde se produce un rechazo de la comida debido a un temor excesivo a subir de peso, llegando a un estado de inanición serio. Entonces, se produce un deterioro en la salud y una debilidad causada por una ingesta insuficiente de nutrientes causando una desnutrición que altera diversas funciones del organismo. Es mas común en mujeres jóvenes o adolescentes aunque se reportan casos en ambos sexos y a cualquier edad. No debe confundirse con otro trastorno llamado simplemente anorexia, que es un síntoma que se caracteriza por una falta de apetito debido a alguna causa orgánica.

Este trastorno puede ocurrir por diversas causas que vienen acompañadas por una distorsión de la imagen corporal propia, en donde la persona considera que debe perder más peso de lo que se considera saludable y normal para su edad y estatura, llegando a estados raquíticos. También hay muchos casos en donde además de una dieta extrema, se realice ejercicio de manera excesiva o que utilicen otros métodos para bajar de peso como el abuso de laxantes u otros medicamentos.

 Algunos factores de riesgo para el desarrollo de la anorexia nerviosa pueden ser:

Answer:

Allopatric speciation

Explanation:

Where a population forms new species due to geographical barrier

That has separated the initial original population into 2 separate population which cannot interbreed

Answer:

Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons.

Explanation:

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Answer:

increased evaporation.

Explanation:

there is no methane in or near the process of evaporation.

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Answer:

mRNA

Explanation:

There are three types of ribonucleic acid (RNA) viz: messenger RNA, ribosomal RNA (rRNA) and transfer RNA (tRNA). These three RNA types function differently from one another. mRNA is a type of RNA that conveys genetic information that was previously stored in DNA into the ribosome for translation i.e. synthesis of amino sequence.

In other words, mRNA acts as a temporary copy of DNA's instructions and provides details on how to assemble a polypeptide chain using the amino acid sequence that arise from translating it in the ribosomes.

Answer:

cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments. The cell membrane is sometimes also referred to as the plasma membrane.

Answer:

The plasma membrane, or cell membrane

Explanation:

Answer:

Water is a chemical compound and polar molecule, which is liquid at standard temperature and pressure. It has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. Water is found almost everywhere on earth and is required by all known life. About 70% of the Earth's surface is covered by water. Water is known to exist, in ice form, on several other bodies in the solar system and beyond, and proof that it exists (or did exist) in liquid form anywhere besides Earth would be strong evidence of extraterrestrial life.

Explanation:

hope it helps maya

Answer:

The Answer is C

Explanation:

When scientists breed cows to produce more milk, this has not occured naturally and thus is not natural selection.

Answer:

C. Scientists breed cows that give greater amounts of milk than their ancestors.

Explanation:

The scientists breed cows that give greater amounts of milk than their ancestors is not an example of natural selection. So, option (C) is correct.

Answer:

I believe it is C to make something