Which of the following defines adaptability?
a. short-term changes in physiology
b. the maintenance of a polymorphic trait
c. the ability of an organism to make anatomical changes
d. the situation when heterozygotes have a selective advantage over homozygotes
Answer c
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Racial traits aren't the only phenotypic expressions that contribute to social identity. __________ are also critically important
a. Skin and eyes color. b. Hair and nose. c. ABO blood and sickle cell type. d. Height and weight e. Sex and age
The shared, socially learned knowledge and patterns of behavior is called:
a. ideology. b. society. c. collective ideas. d. culture.
__________ is a common radiometric method for dating volcanic deposits
a. stratigraphic dating b. Electron spin resonance c. Potassium-argon dating d. Radiocarbon dating
The bottom 80 percent of Americans own about _____ of the total wealth in the country
a. 2 percent b. 15 percent c. 50 percent d. 80 percent