parasitism

The video tutorial explains parasitism, a relationship where one organism benefits at the expense of another. It introduces the concept of parasites and hosts, using mosquitoes as an example of parasites that cause malaria. The tutorial classifies parasites into external and internal types, providing examples such as lampreys and fleas for external parasites, and bilharzias and filarial worms for internal parasites. It highlights the diseases caused by these parasites and emphasizes the importance of maintaining good health to prevent infections.

What is the definition of parasitism?

What are the two types of parasites mentioned in the text?

How do external parasites differ from internal parasites?

Can you provide an example of an external parasite and explain how it affects its host?

What health precautions can be taken to avoid infections from parasites?