Answer:
d. tissue
Explanation:
There are several levels of organization of life which starts from the functional unit of life called cell.Cells are made of a combination of macromolecules that consist of atoms. Several cells associate together to perform one or more specific functions at the tissue level. The tissue level is made up of similar cells that carry out similar task or functions. The robot’s cardiac cells that work together in synchrony could be considered at the tissue level.
Answer:
DNA sequences similarity among various organisms may be used to establish evolutionary relationship among living organisms. ... Organisms or animals whose DNA sequences are similar share common evolutionary origin.
Explanation:
I think the answers are A, B, and C.
