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
e
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The greatest number of mammals are:
A. eutherians B. prototherians C. metatherians D. monotremes
Selection for traits that make males more able to compete directly for females is termed:
A. intersexual selection B. intrasexual selection C. countersexual selection D. infrasexual selection
A worker at age 65 receiving a gold watch at retirement is an example of:
a. the waning physical and mental strength of the elderly. b. the allocation of tasks by age. c. negative reciprocity. d. gender specialization. e. productive distribution of resources.
The ________ has worked within the United Nations to support indigenous rights.
A. Intergovernmental Panel on Indigenous Rights B. United States Corps of Engineers C. Working Group on Indigenous Populations D. International Union for Indigenous Rights E. Supporters of Indigenous Peoples of Post-soviet Countries