There is a presentation that you should use information from it to help complete

There is a presentation that you should use information from it to help complete your assignment. You can also use other sources as well for the essays. I want you to answer two of these questions separately in essay form.
– Describe examples of the importance of cell migration,
including germ cell migration, entry of muscle into limb buds, gastrulation in amniotes and formation of the neural crest.

– Explain the distinction between epithelial and mesenchymal cells.