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ollegr [7]
3 years ago
10

Explain how a farmer maintain the fertility of soil without using nitrogen fertilizerhow farmers maintain the fertility

Biology
1 answer:
snow_lady [41]3 years ago
4 0

Answer:

Answer: Hope this may help you

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Compare and contrast sexual and asexual reporduction
makvit [3.9K]

Difference:

The biological process of sexual reproduction requires the input of genetic material from many people. When a flower self-pollinates, for example, the term "individual" might refer to gamete cells developing as a single physical or even genetic organism. I don't want to substitute the word "cell" for "person," either, as that would eliminate instances of acellular biologic entities that reproduce, like viruses. When a piece of a chromosome from one bacterium is injected into another, it recombines and reproduces there, with or without sporulation, which is one instance of what I consider sexual reproduction but which not all viewers would. My notion just requires some genetic material, even in the form of an episome, not gametes. Asexual phases are included in nearly all forms of reproduction, but I regard all of them to be a part of sexual reproduction when they take place throughout a life cycle that also contains an obligatory sexual phase. Brewer's yeast serves as an illustration of the distinction I make because either the diploid or haploid stage, which could be classified as a gametophyte or sporophyte, can be maintained through an infinite number of mitoses. As a result, I consider vegetative propagation to be asexual reproduction.

Now that you have the difference compare the similarties.

6 0
2 years ago
Describe how ATP is produced in the light reactions.
Lynna [10]

Answer:

Explanation:

Two reactions take place that produce raw materials for the dark stage:  

  1. Light energy splits the water molecules into <em>hydrogen</em> and <em>oxygen</em>
  2. This process is called <u>photolysis  </u>

The hydrogen is taken up by a hydrogen acceptor called Nicotinamide adenine dinucleotide phosphate (NADP) while oxygen is released as a by-product  .

2 H₂O(l) --------->light energy -------> 4 H + O₂ (photolysis

)

Light energy strikes the chlorophyll molecules and sets in motion a series of reactions resulting in the production of a high energy molecule called <em>Adenosine Triphosphate</em> (ATP)

Hope this helps.

5 0
3 years ago
What dose the arrow represents in a food chain
alexandr402 [8]

answer : Arrows are used to show the feeding relationship between the animals. The arrow points from the organism being eaten to the organism that eats it. For example, an arrow from a plant to a grasshopper shows that the grasshopper eats the leaves.er:

Explanation:

8 0
3 years ago
When an organism excretes waste, can a plant directly use it as fertilizer (nitrogen source)? Why or why not?
Ivahew [28]
<h3>Yes</h3>

Because the organism waste contains UREA and urea is rich in nitrogen and it can be used as fertilizer for plants. Bc plants need nitrogen.

5 0
3 years ago
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