Biology

1. What are some examples of early human ancestors? How do they differ from modern humans? 2. Discuss about this video below https:/Iwww.khanacademy.org/partner-contentf23andme/human-prehistory/v/human-prehistory-1 01 -prologue Please add reference and in-text Citation for each post 3. What is the difference between Chordata and Vertebrata? The video on Zoology discusses how many animals can be vertebrates, can you be a vertebrate and not a chordate? What about a chordate but not a vertebrate? 4. What are some advantages of amniotes as compared to those organisms that lay aquatic eggs?