Answer:B
Explanation:
Its the extraction of energy from carbohydrates in the absence of oxygen.a metabolic process that produces chemical changes in organic substrates through the action of enzymes.
Organism-population-community-ecosystem-biome in that order
Answer:
B or C i think
Explanation:
because Eons are broken into eras and then into periods. Its not A tho
The amino acids are the building blocks of the proteins.
Explanation:
The amino acids are the organic molecules made up of a carboxylic group, an amino group and a carbon side chain. The proteins are macromolecules, made up of amino acids. Many amino acids combine to form a protein. The structure of the protein depends on the sequence of the amino acids present in the structure of protein. A different protein has a different sequence of amino acids.
Your answer will be "Trial and Error" hope this helps