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BartSMP [9]
3 years ago
13

Point mutation (like substitution)

Biology
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

a type of substitution where ect.

Explanation:

i think sorry if i'm wrong.

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Que transformación sufre la energía?
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Why is it important that farmers plant crops during the winter that improve the levels of nitrogen in the soil?
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Answer:

These crops can fix nitrogen into usable nitrates.  

Explanation:

There are certain crops which are called cover crops, specifically legumes like peas, vetch,clover and winter field beans . Farmers grow these crops during winter before the growth of actual target crops like cabbage etc which are thirsty for Nitrogen.

What is special about these cover crops is their ability to fix nitrogen into the soil from the atmosphere. There are various ways through which these leguminous crops can fix nitrogen into the soil:

  • Some legumes  like hairy vetch and crimson clover, may fix upto 100 pounds of nitrogen per acre for the utilization by the crop growing in same soil next season.
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  • Now how the legumes fix nitrogen is through  a symbiotic relationship with soil-dwelling bacteria. These are the bacteria that dwell in soil and take nitrogen from atmosphere and provide this nitrogen to leguminous crops through roots which later fix this nitrogen into nitrates.In return, the bacteria can get food in the form of carbohydrates  from legumes.

This phenomenon confers the leguminous crops with an ability to fix  nitrogen in the soil that can be used by the nitrogen requiring crops like cabbage when grown next season in same soil.

Hope it help!


5 0
3 years ago
Read 2 more answers
Which biome would be found primarily in the temperate zone? tundra desert savanna boreal forest deciduous forest?
Angelina_Jolie [31]
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Both deciduous forests and boreal forests experience 4 relatively distinct seasons; however, the former experiences a wider temperature range with varied precipitation patterns, while the latter is relatively cold most of the time.

Deciduous or temperate forests consist of deciduous plants and trees, which means that they that shed leaves during autumn and remain inactive during winter (e.g. oak, maple, and ash), while boreal forests mostly consist of evergreen trees, primarily the conifers (e.g. pine, cedar, juniper, and redwood). 

The two figures below show the different (geographical or climate) zones, and the different biomes, respectively, found all over the world. 

(Figure sources: 1. https://en.wikipedia.org/wiki/Temperate_climate#/media/File:World_map_indicating_tropics_and_subtrop....
2. http://www.bio.miami.edu/ecosummer/lectures/lec_biomes.html)


7 0
3 years ago
What supplies deoxygenated blood from lower part of the body
Bingel [31]

Answer:

The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium. The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.

Explanation:

Hope this helps! Please mark brainliest!

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