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20 Cards in this Set

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  • Back
Humans and chimpanzees have genomes of nearly the same size and share DNA sequences similarity of _____%
98.5
The earliest fossil with human like geature date back to ______ million years ago
5.8
The discovery of Lucy, a fossil nearly 4 million years old, showed the first time at which human like ancestors walked upright, a type of locomotion known as ________.
Bipedalism
The most widely accepted hypothesis for the evolution of depidalism is the ___________ hypothesis.
Savanna
Research has shown that at least _______ different human species evolved and then went extinct.
6
The first human species to leave Africa was Homo_____.
erectus
As a result of an ice age 500,000 years ago, the population of humans in the North (Europe) evolved inot the _________
Neandertals
As a result of an ice age 500,000 years ago, the population of humans in the South (Africa) evolved inot
Homo Sapiens
Due to a drought in Africa 120,000 years ago, the entire Homo Sapien population was reduced to less than individuals.
10,000
The phenomenon in which an entire populations is the descendants of only a few individuals is known as a gentic
Bottle neck
The discovery of the human gentic bottleneck was made by studying human __________ DNA
Mitochondrial
Every modern human evolved from a small group of Homo sapiens that originated on teh continent of
Africa
When comparing the genomes of any two humans from any part of the world, their DNA sequences are ______% identical
99
The hypothesis that suggests that modern Homo sapiens left Africa and out competed all other human species to extinction is the __________ Model
Out of Africa or Replacement
The hypothesis that suggest that local population evolved into humans and subsquent interbreeding with Agrican migrants led to the gentic homogeneity of modern k=humans know as the __________ model
Regional Conintuity
Describe the complex potrilocal society of the common chimpanzee
look on study guide
How does chimpanzee tool usage demonstrate the existence of chimpanzee culture?
Look at study guide
How did the ice age of 500,000 years ago and the resulting drought in Africa ultimately result the evolution of Homo Spiens?
Look at study guide
What is a genetic bottleneck and how do we know that one occurred to the Homo sapien populaiton?
LOOK AT THE STUDY GUIDE
Explain the 2 theories for why Homo Sapiens are the only remaining human species and tell which one it the more likely of the 2 and why?
Look at the study guide