Adaptations Over Time

Lived in East Africa 1.5 - 2 million years ago

Variations are important because they can lead to ____

Homo habilis was given its name because _______

_____ was the least like modern humans

Small brain cavity, but humanlike jaw and teeth

Theory of ___ : organisms with traits suited to environment=more likely to survive & reproduce

Species of bacteria show resistance to antibiotics.

Who said that species evolve by keeping traits that their parents developed in their life:

Mutations produce large changes in a population in a short period of time

Shares common characteristics with gorillas

Model of evolution showing slow change

Change in hereditary features over time

Body parts similar in origin and structure

Most fossils are found in _____

Lived in Europe, Asia, and Australia in art-decorated caves 40,000 - 10,000 years ago

Model of evolution showing rapid change

Remains of life from another time

Larger brain than former ancestor; made small stone tools

Lived in family groups in caves in Africa 125,000 to 35,000 years ago

Body part with no apparent function

All of the following EXCEPT _____ provide evidence for evolution

Scientists can estimate age of a fossil by comparing amount of _____ with the amount of ____

Fossils show a sequence of differences between the earliest camels and the camels of today

Short, heavy body, handed with well-made stone tools

Physical appearance almost identical to modern humans; cared for elderly and buried their dead

Movements of Individuals into or out of a population provides a source of ____ to a population

Lived in South Africa 2.9-3.4 million years ago

_____ is/are NOT characteristics of all primates

Group of organisms whose members look alike and successfully reproduce

The fossil record is _____