Answer:
C
Explanation:
Protozoa have been classified into three trophic categories: the photoautotrophs which harness the sun's radiant energy in the process of photosynthesis; the photoheterotrophs, which although phototrophic in energy requirements, are unable to use carbon dioxide for cell synthesis and must have organic carbon compounds
Answer:
Scientific Methodology involves the following procedures of
-observing and making enquires,
-formulating inferences and developing hypotheses,
-performing controlled experiments,
-gathering and evaluating data,
-and coming into conclusions.
