Why does your textbook classify early human ancestors using the genus australopithecines instead of a series of species?
a. This was a transitional species in the fossil record.
b. Scientists have found very few specimens and are not sure if this is a category.
c. There is little diversity in this group of human ancestors.
d. It is unclear exactly how many species exist.
Question 2
Skeletal features provide clear evidence, even though there was occasional famine, that overall Neolithic people were healthier than their Paleolithic relatives.
a. True
b. False
Indicate whether the statement is true or false
The pH of human blood ranges from 7.35 to 7.45.
human genome percentage
The human HLA complex and its different regions.
A karyogram of the human chromosome set, showing the distinctive banding pattern of each chromosome.
Events in human fertilization. The light micrograph shows a fertilized human oocyte.
Structural comparison of human blood vessels and the direction of blood flow through them