Choices:
<span>discovery of codons
discovery and extraction of DNA
creation of a model of DNA
creation of Photo 51
Marshall Nirenberg and Heinrich Matthaei's contribution to our current understanding of the genetic code is the DISCOVERY OF CODONS.</span>
Denitrifying bacteria convert nitrate into <u>nitrogen gas</u>, thus returning nitrogen to the <u>atmosphere</u>.
Denitrifying bacteria- Numerous phyla are included in the broad class of bacteria known as denitrifying bacteria. This group of bacteria, which is a part of the nitrogen cycle, may carry out denitrification together with denitrifying fungi and archaea.
Phylum (Phyla)- In biology, a phylum is a rank or level of taxonomic categorization that comes after a kingdom but before a class. Although the nomenclature for algae, fungus, and plants is recognized by the International Code of Nomenclature as being equivalent, division rather than phylum has traditionally been used in botany.
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Natural selection eliminates aniamals that might be nessisary to life but it would hepl other animals survive as food for them
Answer:
Explanation:
Leopard seals use their powerful jaws and long teeth to kill smaller seals, fish, and squid. These effective predators live in frigid Antarctic and sub-Antarctic waters, where they also eat penguins. They often wait underwater near an ice shelf and snare the birds just as they enter the water after jumping off the ice.
Answer:
DNA
It transmits genetic information to the next generation
Explanation: