Multiple Choice
The first photosynthesizing bacteria appeared in the ocean on Earth about ___years ago.
A) 14 million
B) 323 million
C) 769 million
D) 1.3 billion
E) 2.7 billion
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q28: Which of the following is not an
Q29: In coral reefs,clownfish live unharmed among the
Q30: A study of the dietary requirements of
Q31: _occurs when the last individual of a
Q32: What is biogeography? What subjects do biogeographers
Q34: What are the major threats to biodiversity
Q35: Consider the ecology of the region in
Q36: In which of the following terrestrial ecosystems
Q37: 6CO2 + 6H2O + Light → C6H12O6
Q38: The study of the interrelationships between organisms