A learned skill that accompanied early hominin evolution was their ability to _____.
a. develop tools
b. grasp objects
c. stand upright
d. live in caves
Ans: a. develop tools
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Vertebrates" refers to animals that possess ____
a. hair b. mammary glands c. the ability to give birth to live young d. a backbone e. lungs
Cerebral cortical association areas link sensory and motor areas
____________________ Indicate whether the statement is true or false.
In the first experiment to test the pedometer hypothesis in Sahara desert ants, which results did the researchers obtain?
A. Ants with normal legs walked past the home nest, ants with stumps found the nest, ants with stilts were short of the nest B. Ants with stilts walked past the home nest, ants with normal legs found the nest, ants with stumps were short of the nest C. Ants with stumps walked past the home nest, ants with normal legs found the nest, ants with stilts were short of the nest D. None of the above
Gene flow is
A. used for comparison purposes when numbers of organisms or size of organisms would lead to confusion. B. the optimum number of individuals of a species that can survive. C. movement of genes within a population from place to place resulting from migration. D. graphic expression of increasing or decreasing numbers.