What is occurring at step 2? 
A) Sunlight is providing energy to the ecosystem.
B) Heat is being recycled by the ecosystem.
C) Non living factors are obtaining chemicals.
D) Producers are decomposing.
Correct Answer:
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Q3: Australopithecus can be differentiated from A. afarensis
Q4: Identify the main function of the system
Q5: The emergence of modern humans in Africa
Q6: The common ancestor of Primates lived about:
A)
Q7: Similar to ecosystems, the skeleto-muscular system cycles:
A)
Q9: Which of the following led to the
Q10: The fossil record shows that the common
Q11: Primates are characterized by:
A) an opposable thumb.
B)
Q12: Currently, the only remaining hominids on earth
Q13: Humans and primates share which of the
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