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The fossil record reveals that present-day organisms are better adapted to their environments than ancient organisms were adapted to their environments.
Q5: Earth's early atmosphere was very rich in
Q15: Platforms and cratons make up continental shields.
Q17: Earth is approximately 4.6 billion years old.
Q24: Alluvial fans commonly occur in the marine
Q25: Explain why critics did not readily accept
Q35: The _ plants have a tissue system
Q60: Strong evidence for evolution comes from the
Q68: Pelagic fish are part of the benthos.
Q69: Minerals are made of rocks.
Q70: What rock evidence leads geologists to conclude