Ardipithecus ramidus was:
a. discovered in Chad, central Africa, and suggests that the human-chimp-gorilla split occurred earlier than we previously thought
b. discovered in the Awash River Basin area of Ethiopia and was an early biped that lived in a forested environment
c. discovered in Kenya and is a direct ancestor to Homo sapiens
d. discovered in Tanzania, lived in a lush tropical environment, and has three separate species associated with it
b
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In India, Paul Newton's study of langurs correlated infanticide with __________
a. high population density b. human presence c. disease d. troop structure
What is the first way children acquiring English learn to negate propositions?
A They incorporate the negative marker into the internal structure of the sentence. B They add the words no or not to the beginning or end of the sentence. C They add denominal verbs to statements to express negation. D They overregularize inflectional morphemes to express negation. E They use passive constructions for negative sentences.
In the United States, children whose parents are __________ are less likely to develop field independence than other children
A) very strict B) playful C) highly educated D) negligent
Which of the following does NOT represent a biochemical signature of diet?
a. the ratio of nitrogen isotopes varying with the overall importance of seafood b. different photosynthetic processes resulting in varying ratios of carbon c. strontium and calcium ratios indicating relative importance of meat and plant foods d. different chemical compositions resulting from photosynthesis in bones of human skeletons e. unusually low concentrations of lead found in bones of those who drink wine that has been stored in lead containers