Consider the following statements regarding Protozoa.
1. Protozoa can feed on bacteria and fungi.
2. Protozoa give off nitrogen after digesting their food.
3. Malaria is caused by protozoa.
Which of the following statements given above is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1, 2 and 3
4
1 only