Please help will mark brainliest and give 12 points

Answer:

i don"t know sorry

Explanation:

ask some one

Answer: Because Meiosis only occurs in reproductive cells, as the goal is to create haploid gametes that will be used in fertilization. Meiosis is important to, but not the same as, sexual reproduction. Meiosis is necessary for sexual reproduction to occ Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.ur, as it results in the formation of gametes (sperm and eggs). Hope this helps have a awesome day/night❤️✨

Explanation:

Answer:

Letter A.

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Answer:

D.migration

Explanation:

The factor that should be contributing to gene flow between the two geese populations is migration.

It is the movement that should be moved to another place. It can be the large people, or animals.

So based on this, we can conclude that the factor that should be contribute to gene flow between the two geese populations is migration.

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Answer:

Chimpanzee

Explanation:

It is the closest to humans

Answer:

B) The chromatids of each chromosome are separated.

The chromatids of each chromosome being separated doesn't occur in

meiosis I.

Meiosis is a type of cell division that produces four unique daughter cells

as a result of it undergoing two rounds of cell division. It is the cell division

that produces sperm and egg cells.

The meiosis I stage involves the resegregation of the chromosomes in the

diploid cell which has previously undergone division. This then produces

four haploid daughter cells which have unique features.

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Answer:

i am so sorry

good luck

Explanation:

Answer: The carbon cycle helps regulate Earth's temperature.

Answer:

Due to incomplete outermost shell.

Explanation:

Fluorine cannot exist monoatomic in nature​ because of its incomplete outermost shell. This incomplete outermost shell makes Fluorine more reactive and it can only be stable if it makes bond with other atoms through sharing of electron i. e. covalent bond or by complete transfer of electron i. e. ionic bond. This bond making completes its outermost shell and the Fluorine attain stability so that's why the Fluorine cannot exists in monoatomic in nature.

Answer:

20

Explanation:

I'm randomly guessed

Answer:

what do you mean by that?

Explanation:

Answer:

Cancer is caused by mutated, or out of control, cells

Explanation:

Answer:

Intercambio de oxígeno y dióxido de carbono

Por 

Rebecca Dezube

, MD, MHS, Johns Hopkins University

Última revisión completa jun. 2019

HACER CLIC AQUÍ PARA LA VERSIÓN PARA PROFESIONALES

La principal función del aparato respiratorio es inhalar oxígeno y eliminar dióxido de carbono. El oxígeno inhalado penetra en los pulmones y alcanza los alvéolos. Las capas de células que revisten los alvéolos y los capilares circundantes se disponen ocupando el espesor de una sola célula y están en contacto estrecho unas con otras. Esta barrera entre el aire y la sangre tiene un grosor aproximado de una micra (1/10 000 cm). El oxígeno atraviesa rápidamente esta barrera aire–sangre y llega hasta la sangre que circula por los capilares. Igualmente, el dióxido de carbono pasa de la sangre al interior de los alvéolos, desde donde es exhalado al exterior.

La sangre oxigenada circula desde los pulmones por las venas pulmonares y, al llegar al lado izquierdo del corazón, es bombeada hacia el resto del organismo (véase Función del corazón). La sangre con déficit de oxígeno y cargada de dióxido de carbono vuelve al lado derecho del corazón a través de dos grandes venas: la vena cava inferior y la vena cava superior. A continuación, la sangre es impulsada a través de la arteria pulmonar hacia los pulmones, donde recoge el oxígeno y libera el dióxido de carbono.

Intercambio de gases entre las alveolas y los capilares

Para mantener la absorción de oxígeno y la emisión de dióxido de carbono, entran y salen de los pulmones entre 5 y 8 L de aire por minuto, y cada minuto se transfiere alrededor del 30% de cada litro (cerca de tres décimos de galón) de oxígeno desde los alvéolos hasta la sangre, aun cuando la persona esté en reposo. Al mismo tiempo, un volumen similar de dióxido de carbono pasa de la sangre a los alvéolos y es exhalado. Durante el ejercicio, es posible respirar más de 100 L de aire por minuto y extraer de este aire 3 L de oxígeno por minuto. La velocidad de entrada del oxígeno en el organismo es una medida importante de la cantidad total de energía consumida por este. La inspiración y la espiración se llevan a cabo gracias a los músculos respiratorios.

Answer:

1. . For example, lake trout are native to the Great Lakes, but are considered to be an invasive species in Yellowstone Lake in Wyoming because they compete with native cutthroat trout for habitat.

2. Japan

3. Kudzu was introduced from Japan to the United States at the Philadelphia Centennial Exposition in 1876 as an ornamental and a forage crop plant. The Civilian Conservation Corps and southern farmers planted kudzu to reduce soil erosion.

4. Kudzu grows out of control quickly, spreading through runners (stems that root at the tip when in contact with moist soil), rhizomes and by vines that root at the nodes to form new plants. Once established, kudzu grows at a rate of one foot per day with mature vines as long as 100 feet.

5. Pythons compete with native wildlife for food, which includes mammals, birds, and other reptiles. Severe mammal declines in Everglades National Park have been linked to Burmese pythons. ... Raccoons and opossums often forage for food near the water's edge, which is a habitat frequented by pythons in search of prey.

Explanation:

hope this help bae

Answer:

the surroundings or conditions in which a person, animal, or plant lives or operates.

Explanation:

Answer:

An enviroment is an ecosytem made up of all living things.

Answer:

D

Explanation

carbon dioxide is enhanced by human activity as it icrease it leads to many consequences so B and C are canceled

increasing carbon dioxide does not increase the water vapor immediatly

so A is canceled

so the left answer will be D

The choice that provides the ordering of the chain of events should be option D where the carbon dioxide should be increased.

It should be treated as colorless and nonflammable gas at the normal temperature and the pressure. Also it comprise of one carbon atom and 2 oxygen atoms. Here it should be enhanced by the human activity due to which the flooding should be increased, water vapor is also increased also the storms too.

Therefore, the option d is correct.

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Answer:

where is the entire question??

Answer:

cuting trees, killing animals, and pollution.

Answer:

"Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water."

Explanation:

sources: nationalgeographic

Answer:

systems

Archaea

Bacteria

Eukarya

Explanation:

The three domain system resulted in dividing all life into three systems, called Archaea, Bacteria, and Eukarya.

Hope this helps! :)

The function of the glycoprotein structures of an HIV virion is the envelope glycoprotein (Env) performs two functions that are very crucial for replication cycle of HIV and these are

The functions of the cilia of an animal cell are

The main function of the cilia is locomotion and sensory function and the main functions of glycoprotein structure of an HIV virion is binding to a receptor and fusing with the plasma cell membranes.

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Answer:The correct answer is B

Explanation:

I hope this helps you out!

From the image, the letter that represents the enzyme is B.

Enzymes are substances, made up of proteins, which are capable of speeding up the metabolic reactions in the human body.

There is a theory that explains the mechanism of action of enzymes. This is called the enzyme lock and key theory.

This theory states that enzymes bind to substrates temporarily forming enzyme-substrate complex that appears like the fitting of a lock and key.

This simply means that the same way a particular key can only fit into a particular lock is the same way a particular substrate must combine with  a particular enzyme for a reaction to occur.

From the diagram,

B represents the enzyme with an active site which must fit into a substrate

A represents the substrate.

Therefore, the the letter that represents the enzyme is B.

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Answer:

gg

Explanation:

Not 50 pts but... recessive usually means it's the tiny letters.

Dominant traits have capital letter GG or Gg, so the dominant trait is going to show as the phenotype.

Answer:

Qweers

Explanation:

Fggs

Scientists have discovered the function of the cell of complex organisms according to their structure.

The fundamental building blocks of form and operation in living things are cells. This implies that cells make up an organism's components and carry out all of its operations and functions.

The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell.

They provide the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks.

Therefore after a long studied scientist discovered the function of the cell, which perform to do many processes inside the cell of complex organisms.

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Answer:

a) Into the cell.

Explanation:

The water molecules outside the cell would move into the cell until there is no net movement of water molecules. This process is known as osmosis.

Osmosis is the movement of molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane until the concentrations across the membrane are equal. That is, there is no net movement of molecules across the membrane.

Answer:

1. Option C, They both have a sugar and a phosphate group backbone

2. Option A, Prokaryotes have DNA in circular chromosomes, and eukaryotes have linear chromosomes.

Explanation:

1. Both the circular and linear DNAs in prokaryotes and eukaryotes respectively are made up of sugar-phosphate backbone. However, the arrangement is different due to which they have different shapes. Thus, option C is correct

2. Eukaryotes have multiple linear DNAs while prokaryotes have circular DNA having simplified structure.

Thus, option A is correct

Answer:

C

Explanation:

took the test

The things that you will predict will eventually happen at the East African Rift Zone are the Water from the Gulf of Aden and the Indian Ocean will flow into the rift and flood the area. Thus, the correct option for this question is C.

Tectonic plates are the types of crustal plates that are gigantic pieces of the Earth's crust and uppermost mantle. A crustal plate may be defined as a type of large block or tabular section of the lithosphere that significantly reacts to tectonic forces as a unit and moves as such.

The movement of the crustal plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other. Due to this, the water from the Gulf of Aden and the Indian Ocean will flow into the rift and flood the area.

Therefore, the correct option for this question is C.

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