Protozoan cultures- submit your observations.

Protozoans are single celled eukaryotes that exhibit plant and animal like features. Some of the examples of protozoans are - Euglena, Paramoecium and Amoeba. To observe these organisms under the microscope, a small amount of it from the culture jar is taken and observed at different magnification. Euglena moves with the help of a flagella and hence, is classified as flagellate. Paramoecium moves with the help of cilia and hence, classified into ciliate. Amoeba moves with the help of pseudopodia and thus, it is a sarcodine.  

All the three organism has nuclei. However, paramecium have two nuclei called as a micronucleus and macronucleus. Euglena lacks food and contractile vacuole. Euglena also has an organelle called as chloroplast which is found mostly in plants.  

it's unlikely a majority of a large population would agree on issues

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the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.