Explanation:
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins)
Answer:
Scientists have discovered what they say could be fossils of some of the earliest living organisms on Earth. They are represented by tiny filaments, knobs and tubes in Canadian rocks dated to be up to 4.28 billion years old.
Explanation:
The upper most layer is the canopy
They obtain energy by consuming other organisms.
That would be A and E.
because u can measure or calculate the variables in these 2 hypotheses. (Amount of protein is diet, muscle mass, salt intake, blood pressure.)
