Answers with Explanation:
1. Which many-celled organisms are capable of causing diseases in humans?
Multi-cellular parasites like "helminths" and "arthropods." Helminths are regarded as "parasitic worms." It is a tropical infectious disease that has been a burden to many nations. They commonly live in the GI (gastrointestinal) tract of their hosts. Arthropods are ectoparasites that, generally, live on the skin of their hosts. Some of them even burrow in dermal tissues which causes skin trauma or inflammation. Examples of these are fleas, flies and lice.
2. Tapeworms and lice are examples of parasites that can cause diseases in humans.
Tapeworms are considered flat, segmented worms that live in the human's GI tract. It is a type of helminth. Once it is able to live in its host, it causes weakness, nausea, fatigue, weight loss, abdominal pain, diarrhea, etc. Lice (as mentioned above) is a type of arthropod that feeds on blood. There are three types of lice: head lice, body lice and pubic lice. Symptoms are intense itching, tickling feeling and small red bumps.
