A four-chambered heart, hollow limb bones with supporting struts, and a keeled sternum are features associated with
most modern ____.
a. mammals
b. snakes
c. turtles
d. lizards
e. birds
ANSWER: e
Biology & Microbiology
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The best technique for detecting chromosomal abnormalities is
A. EST B. FISH C. STS D. SNP
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Golden rice contains a transgene that allows for increased production of vitamin A
a. True b. False Indicate whether the statement is true or false
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As an animal matures, it forms attachments to other individuals and develops preferences. This process is called
A. instinct. B. imprinting. C. associational learning. D. habituation. E. sensitization.
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An experimental condition applied to research subjects is called a
a) treatment b) control c) randomization d) placebo e) variable
Biology & Microbiology