Which statement best describes the panspermia hypothesis?
A) Life on Earth could have started abiotically.
B) Life on Earth could have started biotically.
C) Different forms of life were present in outer space but these may not have seeded early Earth.
D) Very simple forms of life were present in outer space and these may have seeded early Earth.
Correct Answer:
Verified
Q3: How old is Earth?
A) about 4.6 million
Q11: Which of the following contribute to evolutionary
Q12: From which of the following processes did
Q13: If an electrode is analogous to the
Q15: What are protobionts?
A) a group of abiotically
Q17: If a condenser is analogous to the
Q17: In the 1920s, Aleksander Oparin and John
Q19: When were the oldest stromatolites formed?
A)about 2.1
Q20: If a warmed flask of water is
Q20: What is the importance of the Miller-Urey
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