Human being's origin

Hominids

The hominids are a group of primates no arboreal

The human beings are hominids, but all the hominids aren't human beings.

Characteristics: - they allways move in an upright biped position,and theMost of their phisiology are similar.

- their palate has got form of U.

- In their cranium there is a big brain.

First HominidThe first hominid appear thanks to the earth cool

down and be arid. The mean species:- Ardipithecus ramidus: is the oldest well-known

hominid.- Australopitecus anamensis: their hominids

characteristics was the biped position and thick dental enamel

- Australopitecus afarensis: prognatism and sagittal crest.

- A. africanus: small jaw - Paranthropus: big jaw and they was vegetarian.

The First Homo

The aren't any fossils of the first species of homo.

- Homo habilis: they are the first remains of a homo that we are found. Their cranium was bigger and they start losing corporal hair.

- Homo ergaster: They had got a bigger cranium and a skeleton very similar of current human beings. In the site we found stone tools

- Homo erectus: they used fire. The cranium was more elongated than human's cranium

- Homo antecessor: their fossils was found in Atapuerca (Burgos) they was hunters, pickers and cannibals

Neandertales and sapiens

- Homo neanderthalensis: their average height was 1,65 meters and they had a developed musculature.

- Homo rodhesiensis was prior tomodern Homo sapiens. The last one occupied

all the planet.

By Julia Margineda and Carlos Pérez