What helped you decide whether a function was performed by an plant, animal, or both?

Draw the structure of dna nucleotide with adenine as nitrogenous base

Which direction does the energy flow in this energy pyramid ?

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters