Which group of reptiles will make and guard their nest, and feed and care for their hatchlings?
a. Snakes
b. Crocodilians
c. Tuataras
d. Turtles
e. Lizards
b
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While the maximum number of electrons required to fill the outermost shell of an atom varies depending on the size of the atom, almost all of the smaller atoms (atomic numbers 2-20) are considered stable, and thus nonreactive, when they contain ________ electron(s) in the outermost shell.
A. 1 B. 8 C. 16 D. 2
The ratio of different-colored fluorescent dyes in microarray can be used to infer information about:a
patterns of gene expression only. b. drug activity only. c. the identity of disease-causing genes only. d. patterns of gene expression and also drug activity only. e. patterns of gene expression, drug activity, and the identity of disease-causing genes.
The first cloned mammal, Dolly:a
was stillborn. b. developed arthritis and a virus-induced lung cancer at a relatively young age. c. lived a short period of time before suffering advanced aging effects. d. lived to a normal age for sheep. e. lived longer than normal sheep.
Which of the following terms in NOT correctly matched with a correct example of the biological levels of organization?
What will be an ideal response?