QUESTION 1. Differentiate algae, fungi, protozoa and bacteria from each other? What are the common characteristics of fungi and slime molds (myxomycetes)? Why slime molds are belonged to protozoa kingdom? (30 points) 2. General characteristics of algae? How to classify algae? Describe one application of algae? (25 points) 3. Why wastewaters must be treated before being discharged into water body (e.g. rivers)? Describe the process of wastewater treatment? What are the role(s) of microbes in wastewater treatment? (25 points) 4. Characteristics of Bacillus thuringiensis? How Bt crops (insect resistant crops) are created? (20 points)