Controversy:
- A. afarensis is the ultimate "single species" model
- All variation is explained with sexual dimorphism
- All Males live in Tanzania and all females live in Hadar
Sources:
Gibbons, Ann. "Paleoanthropology. Lucy's 'Child' Offers Rare Glimpse of an Ancient Toddler." Science (New York, N.Y.), 313.5794 (2006): 1716.
Kimbel , William H. . "Discovery and Implications of the Dikika Child ." Becoming Human. Institute of Human Origins, August 7, 2007. Web. 30 March 2014. <http://www.becominghuman.org/node/site-credits>.
Sloan, Christopher P. . "National Geographic." Dikika Baby: Childhood Origins. National Geographic, November 2006. Web. 25 March 2014. <http://ngm.nationalgeographic.com/2006/11/dikika-baby/sloan-text/1>.
A small link to our humble beginnings
Dikika Baby
Hominin of the Day
Tuesday, April 1, 2014
Desiree K. Saenz
Cranium with Maxilla and Mandilble
It's a Girl!
Australopithecus afarensis
Males:4' 11" and 92 lbs
Females: 3' 5" 62 pounds
Brain from 380-550 c.c.
Miracle Child
After a Long Hard Second Labor
- Also known as Dikika Baby, Lucy's Child and Selam
- Found by Zeresenay Alemseged
- Roughly around 3 years old
- Most complete Infant skeleton
- Fossilized skull, torso, Hyoid bone, feet and fingers also has many vertebrae
- From the waist down she is human and from the waist up she is ape
It's no good growing a big brain if you don't have a long life span... You need that for the investment in a big brain to pay a return.
- Holly Smith
The First Madonna and Child?
The Original Madonna and Child
Habitat
and Diet
Origins of Childhood
- Habitat is a mix of woodlands and savanna with many rivers
- Based on teeth wear A. afarensis ate soft fruit and plants
- However they were adapted and able to eat harder foods
- Loss of grasping toe led to the carrying of infants
- The rise of monogamy and social bonds
- Potential roots of speech