Answer:
Homologous structures provide evidence for common ancestry
Is it flammable liquid and flammablle solid
I have a feeling its B. embryonic liver cell
Answer: Pretty much every aspect of them
Explanation:
Stem cells have unique regenerative abilities which can be used for treating diseases and disabilities (from diabetes to MS). They can also be used to graph skin from burns etc. The stem cell science world seems to leave so many options open for discoveries and they have less negative side effects in comparison to the chemical treatments available or soon to become available. Stem cells can heal rather than pharma therapies covering the ailment and leading to other issues.
Cetaceans are evolved from mammals ! Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.
They are descendents of Mammals !! And that four legged is hippo !!
So I think and sure of Mammals ....To be the answer !!
