A molecular clock is a method used by researchers that uses mutation rates in DNA to estimate the length of time that two species have been evolving independently. This provides evidence of evolutionary descent because it can link to common ancestors.
Algae, phytoplankton, or any green plants.
Answer:
nucleus
Explanation:
The nucleus contains the cell 's DNA and directs the synthesis of ribosomes and proteins.
It’s the last one.
All of these are parts of the cell theory.
Sunlight. Just think about the word "radiant."