Malaria, african sleeping sickness, and trichomoniasis are all examples of what type of pathogen? question 2 options: 1) viruses 2) protozoa 3) parasitic worms 4) parasites

Protozoa

Explanation: Malaria is transferred to people by mosquito's. African sleeping sickness is transferred to people by Tsetse. Trichomoniasis is transferred through people. That's why all of these are protozoa. This is the definition of protozoa: is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris.

alzheimer's disease;

physical, emotional, intellectual, spiritual, social and environmental