Scientists find several sets of fossil remains in a cave. The skeletons appear have been buried with stone tools and carved jewelry of ivory and bone. The artifacts are dated to 90,000 years old
The skeletons are anatomically similar to modern humans. Based on this information, the skeletons most likely are all
A) Neanderthals.
B) Homo floresiensis.
C) Cro-Magnons.
D) Australopithecus afarensis.
E) Homo erectus.
C
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Which of the following arose first?
a. animals b. archaea c. fungi d. protists e. plants
Coal deposits formed when forested areas were inundated with water and the __________ conditions
that resulted promoted incomplete decomposition of the vegetation into coal. a. aerobic b. anaerobic c. oxidizing d. desiccating e. saline
Pollination occurs when the pollen of a flower lands on which plant structure?
What will be an ideal response?
Carbon dioxide is one product of a metabolic process, which occurs in both plants and animals. This process is called
a. catalysis. b. glycolysis. c. respiration. d. photosynthesis.