The Burgess Shales fossils date to the ________.
A) Paleozoic era
B) Cambrian era
C) Cretaceous era
D) Mesozoic era
Correct Answer:
Verified
Q41: Rapid evolution of species in response to
Q42: _ refers to the process whereby a
Q43: The fossil record suggests that almost _
Q44: The process of extinction tends to be
Q45: _ was the major factor in the
Q47: The Cambrian era is known for _.
A)
Q48: The following is NOT a predicted effect
Q49: Phenology refers to _.
A) the atmospheric circulation
Q50: The primary goal of rewilding is to
Q51: Without human intervention, ecosystems remain unchanged over
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