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:
Animal cells communicate via their extracellular matrices and are connected to each other via tight junctions, desmosomes, and gap junctions
Answer:
<h3>The continuous process by which carbon is exchanged between organisms and the environment. Carbon dioxide is absorbed from the atmosphere by plants and algae and converted to carbohydrates by photosynthesis. ... The carbon cycle is thought to be the source of significant amounts of energy in the Sun and other stars</h3>
Answer:
Hydrogen
Explanation:
If you combine the atoms of H2 and H5, you get 7