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Posted in Biology

Select the best description for each cycle: 1.Hydrologic A. photosynthesis and respiration 2.Rock B. erosion, deposition, metamorphism 3.Tectonic C. housed mostly in rock material 4.Carbon D. it's all about water 5.Nitrogen E. subduction, uplift, and mantle convection 6.Phosphorus F. it's all about special bacteria


The right matches are:

1.Hydrologic is matched with D. it's all about water

Hydrology is the science of the earth which is interested in the terrestrial branch of the water cycle, that is to say in the exchanges between the atmosphere, the terrestrial surface and its subsoil. We speak of hydrosphere to designate the part of the planet in which water is located.


2.Rock is matched with B. erosion, deposition, metamorphism

Rocks are natural materials generally solid and formed, essentially or entirely, by an assemblage of minerals, sometimes including fossils (especially in sedimentary rocks), glass resulting from the rapid cooling of a liquid (volcanism, friction .. .) or aggregates of other rocks. The rocks can be formed of a single mineral species (monomeral rocks) or of several (polymineral rocks):


3.Tectonic is matched with E. subduction, uplift, and mantle convection

Tectonics is the study of geological structures of kilometric scale and more, such as mountain ranges or sedimentary basins, and mechanisms that are responsible. This discipline is directly related to plate tectonics.

The lithosphere, the rigid outer shell of the Earth consisting of the crust and part of the upper mantle, is subdivided into plates, called tectonic or lithospheric plates.


4.Carbon is matched with A. photosynthesis and respiration

The 2 main carbon "reservoirs" most directly involved in this cycle are the atmospheric CO2 and the carbon constitutfs of living beings. During photosynthesis, CO2 and water combine (reduction reaction) under the effect of light energy (sun) to form carbohydrates.

Then, in all organisms, these carbohydrates are oxidized to reform water and CO2 during breathing. Part of the energy contained in carbohydrates is converted into ATP. Up to 35% of the CO2 fixed during photosynthesis is released during leaf respiration.


5.Nitrogen is matched with F. it's all about special bacteria

Special bacteria pick up nitrogen and release it in a form that can be assimilated by the plant

To be absorbed by the plant, the nitrogen present in the atmosphere in N2 form must undergo biological transformation processes carried out by microorganisms called nitrogen-fixing bacteria. These nitrogen-fixing bacteria have the main function of capturing the nitrogen present in the air, but also in the soil (thus limiting the losses in the aquifers), and to return it to the plant in an available and assimilable form. Nitrogen in soil is in NO3- form (soil nitrate) and nitrogen in air is in N2 form (atmospheric nitrogen).


6.Phosphorus is matched with C. housed mostly in rock material

Global phosphate mineral resources are estimated at more than 300 billion tonnes in 2014 (US Geological Survey). The largest sedimentary deposits are found in North Africa (Morocco), China, the Middle East and the United States. The exploited phosphorus deposits come mainly from sedimentary or marine deposits, but also magmatic deposits or guano from exotic marine birds.



Related Questions

Posted in Biology

Which of the following statements about tolerance range is true? a. Tolerance range is different for different organisms. b. The tolerance range is the total number of organisms that can be supported by an ecosystem. c. Tolerance range is affected by biotic factors in an ecosystem. d. The available water supply does not impact an organism’s tolerance range.

I think the correct answer from the choices listed above is option A. Tolerance range is different for different organisms. Animals can tolerate (or survive within) a certain range of a particular factor, but cannot survive if there is too much or too little of the factor.  But this range depends on the organism. Hope this answers the question.

Posted in Biology

Which of the following body systems work together to get cells the nutrients they need to carry out cellular respiration ? A) the digestive and respiratory systems B) the respiratory and circulatory systems C)the digestive and circulatory systems D) the circulatory and excretory systems

I believe the correct answer from the choices listed above is option B. It would be the  respiratory and circulatory systems that work together to get cells the nutrients they need to carry out cellular respiration. They are responsible in providing oxygen and other nutrients throughout the body.

Posted in Biology

Which of the following may display two different grain sizes? a. metamorphic rock c. igneous rock b. sedimentary rock d. magma

Answer:

b. sedimentary rock

c. igneous rock

Sedimentary and igneous rocks may display two different pore size. According to a rough estimate the grain size of Sedimentary rocks is 5mm and grain size of igneous rock is 2mm.

Posted in Biology

Why do you think plasmids and bacterial cells are such important tools in genetic engineering?

Plasmids contain extra nucleoid genitic material. By virtue of plasmids bacteria have won their battle againt the miracle drugs like penicillin, streptromycin, asprin etc. Well genitic engineering retrieves their adapted and evolved tendencies to be applied for a long lasting cure.


I hope my answers has come to your help. God bless and have a nice day ahead!

Posted in Biology

The slowest type of mass movement, which involves the lifting and contracting of soil particles over time, is called a.) a rockslide b.) an earthquake c.) creep d.) rockfall

HI there

i believe the answer is creep creep takes a long time to do its job so i believe this is your answer

hope this helped you!

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Posted in Biology

How are viruses different from bacteria? A. Viruses are killed by antibiotics. B. Viruses cannot replicate by themselves. C. Viruses contain only RNA. D. Viruses are unicellular.

Viruses cannot replicate by themselves and depends on other for their nutrition, reproduction & many aspects of life!

So, option B is your answer!

Hope this helps!

Posted in Biology

Rocks are weathered by

The answer is wind and water

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Posted in Biology

What is ridge push ? (A) when edges become denser and gravity pulls them downward and away from one another. (B) cooler and denser crust sinks into mantle. (C) folding and crumpling and sliding upward creating mountains. (D) currents just beneath earths crust flow very slowly causing movement In the plates above them. This is for science.!!

Answer: (A) when edges become denser and gravity pulls them downward and away from one another.

During continental and oceanic plate tectonics. The plates collides with one another as a result of divergent tectonics. The edges at the point of contact gets displaced off from lighter plate and sinks at the bottom due to the effect of graviational pull. This is known as subduction. Due to force of collision these plates do not sunduct to the same location but are thrown to distinct places away from each other.


Posted in Biology

Cholera develops when the bacterial toxin

Cholera develops when the bacterial toxin prevents G-protein inactivation , which leads to the continuous production of cAMP.

Posted in Biology

What is the best explanation for why a cell might shrivel? A, There is less water in the cell than there is water in the environment surrounding the cell. B, There is more water in the cell than there is water in the environment surrounding the cell. C, The water solution in the environment surrounding the cell has a higher solute concentration than the cell. D, The water solution in the environment surrounding the cell has a lower solute concentration than the cell.

The right answer is C, The water solution in the environment surrounding the cell has a higher solute concentration than the cell.

Plasmolysis (the phenomena of shriveling cell) is a cellular state of the plant cell where, following loss of water, the membrane is detached from the pectocellulose wall. This is the opposite state of turgescence.

Plasmolysis occurs when a stream of water comes out of the vacuole and the plant cell through osmosis. The resulting decrease in pressure causes shrivelling of the soft parts of the plant (stems, leaves, petals), which are no longer supported by the turgor pressure.

This flow of water is created either by the lack of water in the external environment, or by the presence in this medium of a liquid more concentrated than the cellular medium. In these situations, there is a displacement of water by osmosis from the cell medium to the external medium.

Thus, the cells of a plant subjected to a drought or a water too concentrated in salts will lose their water and will be in plasmolysis. The soft parts will then shrivel up and the plant will die of water stress if the situation does not allow it to quickly reabsorb water.

Posted in Biology

In organisms other than plants, when and where is the most ATP produced? in thylakoids, during photosynthesis in nuclei, during cellular respiration in chloroplasts, during photosynthesis in mitochondria, during cellular respiration

Answer: In the mitochondria during the process of cellular respiration.

Explanation:

The food that we intake is in the form of either carbohydrate, fat and proteins. The food needs to be converted in the form of adenosine triphosphate which is used by the cells of the body.

The process of cellular respiration takes place in the mitochondria which is the site for the formation of ATP.

The cellular respiration is the process by which there is a conversion of carbohydrates into ATP.

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Posted in Biology

Unlike rocks, all minerals ________ and ________. A are expensive, are difficult to get B occur naturally, have a fixed chemical composition C contain metal, dissolve in acid D fracture, contain silica

The correct answer is B!

Why is this?

A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.

Posted in Biology

Which component of blood protects us from invading foreign material?

Leukocytes [white blood cells] are responsible for protecting us from invading foreign materials.

Posted in Biology

Describe how a volcano is formed at a Continental Rift. Be sure to include, in your description, what is occurring at the plate boundary.

At a plate boundary, magma slowly pushes up via convection currents between two plates and cools, forming a ridge that gets taller and forms a volcano. As more magma flows to the surface, it cools and makes new layers of crust and pushes the older crust away, therefore moving the plate.

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Posted in Biology

Deep-ocean lantern fish have special organs that use chemical energy to produce light. However, the light can only travel a certain distance through the water before it is no longer visible. How does this phenomenon validate the Law of Conservation of Energy? The fish is a closed system, so energy is allowed to exit the system. The Law of Conservation of Energy applies to biological, not physical, systems. The light energy travels through the water until it is reflected or absorbed. The light is not carried by matter and contains no energy.

Answer:

The correct answer is that the light energy travels through the water until it is reflected or absorbed.

Explanation:

The law of conservation of energy is illustrated as the form of energy that cannot be destroyed or produced, however, it gets transformed from one form to another. In case of Deep Ocean lantern fish that generates light in water, which travels along certain distance and then moves back, that is, in the reverse direction. This happens as the light travels in waves and when it comes in contact with the waves, it either gets absorbed or is reflected back.

Posted in Biology

How do plants get nitrogen? by carrying out photosynthesis by absorbing it from soil by carrying out nitrogen fixation or by absorbing it through evaporation

Answer: by absorbing it from soil

Explanation:

Nitrogen is an essential element required by the plants for their growth and metabolism that is for the synthesis of amino acids, proteins, and nucleic acids. The nitrogen is present in the earth atmosphere for about 78%. The plants cannot directly absorb atmospheric nitrogen instead they are capable of absorbing and utilizing the compounds of nitrogen such as ammonia, nitrates and nitrites. The atmospheric nitrogen is absorbed and fix in the soil by soil bacteria into compounds of nitrogen which can be easily absorbed by the plant roots from the soil.

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Posted in Biology

Use photosynthesis in a sentence

Chlorophyll, which gives plants their green color, enables plants to turn sunlight, CO2, water, and a few minerals into new plant tissue through a process called photosynthesis.

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