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
Answer:
At the bottom you have the producers aka auto trophic livings (which use inorganic compounds to grow, produce energy, matter and so on..). These organisms would be plants, Cyrano bacteria, over all any organisms that do photosynthesis.
The older the Earth's crust, the denser it is.
The nervous system consists of things like the spinal cord, brain, and all the nerves that connect the sensory organs. Basically, the nervous system helps different parts of the body communicate with each other; thus leading to control of the body.
