I believe they are biotic
Answer:
B
Explanation:
The four nitrogenous bases in DNA are A: adenine, G:guanine, C: cytosine, and T: thymine.
Pyrimidine and purine are the two classes of the bases in DNA and RNA, not the actual bases themselves.
Uracil is a nitrogenous base found in RNA, that is switched for thymine in DNA. It is not found in DNA.
Therefore, the correct answer is B: Adenine, guanine, cytosine, and thymine
Answer:
what is the meaning of non cooperation
I believe it is Natural selection
Deforestation, Air pollution, Water pollution, Soil erosion and Loss of species diversity all can be caused by humans to impact plant populations.
Sun pollution would be the only one that does not apply.