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Question
glaucophyteChoose the most appropriate letter.
a. contain DNA, but may be too small to be alive
b. simple transitional forms between early organic compounds and the first living cells
c. red alga resident of hot springs
d. first organisms with the noncyclic pathway of photosynthesis
e. source of the heat-resistant enzyme used in PCR
f. offered support for endosymbiosis
g. dome-shaped fossil remains of photoautotrophic bacteria (some nonfossil structures also form).
h. protist with photosynthetic organelles that resemble cyanobacteria
i. earliest known organism that can be assigned to a modern group
Answer
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