The cell wall and chlorophyll are absent in animal cells. These are unique to plant cells.
The cause of the mass drop of population of Hispaniola before 1542 was due to the Smallpox outbreak. The first outbreak of smallpox, occurred during December 1518 or January 1519. The Smallpox Outbreak, claimed the lives of almost 90% of the Native Americans. By 1548, the population of Taino had declined and lessen to fewer than 500 people.
Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
The claim, evidence , and the rationale.