It means an organism respire without it
so that organism know as anaerobic
for example : bacteria eats human and animal dead bodies under the earth there O² is deficient so bacteria respire with oxygen O²
I would say Nucleic Acids
Answer:
Explanation:
some gases prevent the escape of heat from the earth.There will be an increase in the percentage of such gases would cause the average temperatures to increase world wide.This is known as greenhouse effect.Carbon dioxide is one of the green house gases.An increase in the carbon dioxide content in the atmosphere woul cause more heat to be retained by the atmosphere and lead to global warming.
New data about evolutionary relationship between organisms
Explanation:
New data about the evolutionary relationship between organisms most likely dictated that the domain level is adopted.
- Evolutionary trends and morphological relationship between organisms became very important in the classification system.
Organisms are classified into the domain levels as:
- Archaea,
- Bacteria,
- Eukarya
This classification is based on the sequences of nucleotides in the cell.
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Genetic engineering is a big part of agriculture. that would be your answer