The answer is 'Cambrian' explosion. This took place approximately 541 million years ago. 'Explosion' refers to the evolution of a large range of new major animal phyla. Scientists know this by the large number of diverse fossils from this period. Prior to this period, organisms were single-celled, but over the Cambrian Explosion, lasting about 80 million years, life forms diversified rapidly to resemble the life forms existing today.
Erythropoietin is a hormone that is released from the kidneys to stimulate the production of red blood cells.
The wrapping goes on and on to reach the level of packing.
Explanation:
Answer:
c. DNA provides the information to make proteins for the cell.
