Multiple Choice
Which term refers to animals that possess a backbone?
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All of the following are characteristics of life EXCEPT:
Salt concentration in blood remains relatively steady, regardless of a person's diet. This best illustrates:
Which of the following best demonstrates the unity among all organisms?
a. Emergent properties
b. Descent with modification
c. The structure and function of DNA
d. Natural selection
Which of these is not a property of all living organisms?
a. Capable of reproduction
b. Uses energy
c. Composed of multiple cells
d. Responds to the environment
Which of the following best demonstrates the unity among all living organisms?
a. Structure correlated with function
b. DNA and a common genetic code
c. Emergent properties
d. Natural selection