The cyanobacteria are also referred to as:
1. Protists
2. golden algae
3. Slime molds
4. Blue-green algae
How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porphyra, Wolfia
1. Five
2. Six
3. Three
4. Four