Answer: The correct answer is D) Oxygen
Explanation:
Hierarchy - I don’t think I have the full context of the question but the word fits the best of its biology related
Answer:
C. are autotrophic
Explanation:
Autotrophs are important in the ecosystem because they create their own food
Answer:
GENES
"genes contain the information needed to make functional molecules called proteins"
the manual is a gene
the bricks are amino acids
and the structures are proteins