Which of the following evidence obtained from fossil studies is generally accepted as marking the beginning of the hominids?
A. large brain development
B. walking upright
C. bipedalism
D. development of lower limbs longer than forelimbs
E. manufacture and use of tools
C. bipedalism
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Data from both phylogenies and the fossil record show all of the following EXCEPT:
A. the earliest animals appeared more recently than the earliest land plants. B. microorganisms diverged early in evolutionary history. C. flowering plants diverged more recently than algae. D. primates diverged more recently than tetrapod vertebrates. E. diversity has accumulated over time.
Land next to the sea has more variable climate than land farther from the sea.
Answer the following statement true (T) or false (F)
Figure 2.5 C
Which of the following is depicted in the accompanying figure?
A. Hydrogen atom B. Sodium atom C. Helium ion D. Chlorine ion E. Oxygen molecule
Answer the following questions true (T) or false (F)
1. The pod of a pea plant represents a fruit produced by the plant. 2. The brain is responsible for essentially all homeostasis. 3. The heart is in the thoracic cavity.