The footprints at the site of Laetoli in northern Tanzania were made by Au. afarensis
Indicate whether the statement is true or false.
Answer: True
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Evolutionary biologists define altruism as behavior that:
A. decreases the reproductive success of an individual but benefits the reproductive success of another individual B. benefits the reproductive success of another individual without having any effect on the fitness of the individual doing the altruism C. increases the reproductive success of an individual but decreases the reproductive success of another individual D. benefits the reproductive success of both the individual doing the altruism and the other individual involved
Historical archaeologists use written records to supplement the archaeological record
Indicate whether the statement is true or false.
During the Irish potato famine
a. poor agricultural practices prevented the Irish from producing enough food. b. hunger was largely due to an unwillingness to eat foods that were newly introduced. c. Ireland was exporting to England enough food to feed 18 million people. d. All of these are true of the Irish potato famine.
Darwin and Wallace simultaneously proposed which of the following theoretical models?
A. evolution B. natural selection C. creationism D. uniformitarianism E. transformism