Sahelanthropus tchadensis was discovered in ________ and dates to _________.
A) Tanzania; 4-2.5 million years ago
B) Chad; 7-6 million years ago
C) Uganda; 4.5 million years ago
D) Chad; 5 million years ago
E) Tanzania; 6-4.2 million years ago
Question 2
Part of the equipment that was invented during the Upper Paleolithic which allowed North America to be colonized was
A) knowledge and techniques of fishing
B) carefully sewn, fitted clothing
C) knowledge of pigments which can be used for creating rock art
D) the canoe
E) none of these were invented during the Upper Paleolithic
A cheetah in pursuit of Thomson's gazelle in Ngorongoro Crater, Tanzania
A seashell vendor in Tanzania sells to tourists seashells which have been taken from the sea alive,
A Recently Discovered Member of the Local Group
A chimpanzee in Tanzania uses a “wand” to dip for safari ants.
Relative rate test, calibrating the molecular clock, and calculating divergence dates.
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...