Based on the research by Louis Leakey at Olduvai Gorge, all of the early stone tools are considered to be part of the ________
Fill in the blank(s) with correct word
Oldowan tool industry
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If a farmer leaves his land behind and comes to the city to seek work, this is classified as which type of migration?
a. External b. Internal c. Interstate d. Civil e. National
Match the locomotion pattern to the general relative size of arms and legs. (An answer may be used more than once.)
1. erect bipedalism 2. vertical clinging and leaping 3. terrestrial quadrupedalism 4. brachiation 5. knuckle walking legs longer than arms legs longer than arms arms and legs nearly the same length arms longer than legs arms longer than legs
In understanding the problems that have arisen in attempts at human racial classification, why is it important to understand the difference between genotype and phenotype?
A. Although phenotypic characteristics may change, the genetic material of populations stays the same for a long time. B. Attempts at human racial classification typically used phenotypic traits like skin color as markers of common ancestry, but many such traits do not reflect the existence of shared genetic material. C. Attempts at human racial classification have typically used genotypic traits like blood type as markers of common ancestry, and these traits are passed on from generation to generation in discrete bundles. D. The phenotypical traits used to classify humans into races go together as genetic units. E. Phenotypical similarities and differences always have a genetic basis.
Prehistoric archaeologists work with which of the following?
a. Artifacts, ecofacts, and features b. Artifacts, features, and grammar systems c. Contemporary religious systems, artifacts, and ecofacts d. Artifacts, grammar systems, and contemporary religious systems