The Order Primates had its origin in:
A. small arboreal monotremes
B. bipedal marsupials
C. small, arboreal, insect-eating mammals
D. bipedal ornithischian dinosaurs
E. theropods with hair
C. small, arboreal, insect-eating mammals
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Because thaumarchaeote archaeons reduce CO2 in their environments to produce organic compounds and also oxidize inorganic substances to gain energy, they are:
A. chemoautotrophs. B. chemoheterotrophs. C. photoautotrophs. D. photoheterotrophs.
Vertebrates with a three-chambered heart include
A. fish. B. amphibians. C. birds. D. mammals. E. annelids.
How did the control group differ from the
experimental group in the butterfly experiment? a. They were different species. b. Their native habitat area of the forest differed. c. They tasted worse. d. They were white-patterned. e. They preferred different flower species.
Obesity, an excess of body fat, is defined as more than
a. 24% for males and 20% for females. b. 20% for males and 20% for females. c. 20% for males and 24% for females. d. 24% for males and 24% for females. e. 18% for males and 20% for females.