Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters. Bacteria are found in every habitat on Earth: soil, rock, oceans and even arctic snow.
Answer:
amino acid because genetic code sequences of bases in DNA
A young marsupial is developed inside of a pouch until they are mature enough to go out on their own. They are included with such mammals as: Kangaroos and Opossoms.
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I believe the answer is b. decomposition adds to the soils nutrients, therefore creating the environment of plant growth which gives off o2.
