Fish and bird are biotic and the bird would hurt the fish depending on the species of birds since some birds are carnivores.
C. Amino Acid , hope this helps
The best answer is A. Archaea.
Eukarya domain has four kingdoms; Protista, Fungi, Plantae, and Animalia.
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A protein has carbon, hydrogen and oxygen.
the formula of a protein is <span>R-CH-(NH2)(COOH).</span>
