Multiple Choice
Some planktoic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?
A) Oxygen
B) Helium
C) Hydrogen
D) Nitrogen
Correct Answer:
Verified
Correct Answer:
Verified
Q8: One of the following statements about marine
Q9: A survival advantage of _ is the
Q10: What feature do all protozoa share?<br>A)Reproductive strategies<br>B)Habitats<br>C)Feeding
Q11: Prokaryotes differ from eukaryotes in regards to:<br>A)Shape
Q12: What is the purpose of the spines
Q14: Which of the following can be dangerous
Q15: Bacteria that make their own organic compounds
Q16: Organisms having a shell made of silica
Q17: Which of the following would be classified
Q18: Zooxanthellae,which live symbiotically with many species,are classified