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Semenov [28]
3 years ago
12

The dark brown organic material found in soil is called __________. Question 13 options: compost fertilizer humus sediment

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

The answer to your question is humus.

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Natalija [7]
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5) not putting fertilizer on the soil
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8 0
3 years ago
Why is Type O- the universal donor? Check all that apply.
Ksivusya [100]

The Type O blood group is commonly called as universal donor because any blood group can receive the O blood group. The blood group O has no antigen. Due to the absence of antigen it doesn't agglutinate when come in contact with other blood groups in the plasma.

The agglutination reaction happens when opposite antigen and antibody reacts with each other. e.g.- Blood group A contains antigen A and antibody b and the blood group B contains antigen B and antibody a. Agglutination reaction occurs when the antigen A reacts with antibody a. As O blood group has no antigen, agglutination reaction doesn't occur.

6 0
2 years ago
Did birds evolve from the gliding reptiles called pterosaurs?
Law Incorporation [45]
Yes, the pterosaurs is the ancestor of the bird. 
5 0
3 years ago
Read 2 more answers
The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow nich
svp [43]
<h2>Specialists and Generalists </h2>

Explanation:

Niche is the role played by an organism that how it lives in an environment

Specialists

  • Species that have narrow niches are called specialists and this type of niche is called realized niche
  • It is narrow because of the presence of ecological barriers and is the space where a species actually lives

Generalists

  • Species that have broad niche are called generalists and this type of niche is called fundamental niche
  • It is larger than the realized niche due to absence of ecological barriers
  • It represents all the environmental conditions where a species is able to live or can live

5 0
2 years ago
Which of the following does not occur during interphase?
asambeis [7]
The answer to the first one is c and the answer to the second one is also c
5 0
3 years ago
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