Marsupials, together with which one of the following groups, combine to make a monophyletic assemblage?
a. monotremes
b. reptiles
c. placental mammals
d. birds
e. amphibians
Ans: c. placental mammals
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Analysis of the genome and transcriptome of the highly radiation resistant bacterium Deinococcus radiodurans has revealed all of the following EXCEPT ________.
A. it has more DNA repair genes than E. coli B. genes whose products are involved in cell wall metabolism and cellular transport are dramatically up-regulated after irradiation C. its genome consists of two circular chromosomes and two plasmids D. genes whose products are involved in DNA replication and recombination are dramatically up-regulated after irradiation
The suborder Prosimii includes:a
tarsiers. b. lemurs, galagos, and lorises. c. monkeys. d. monkeys and apes. e. monkeys, apes, and humans
In which of the following conditions do plants close their stomata?
A. Bright sunlight B. Water stress C. Low CO2 D. Lack of wind
What is the outermost layer of the digestive tract called?
A.) Mucosa B.) Submucosa C.) Muscularis D.) Serosa