Negative interactions among populations include parasitism also. Define parasitism. What are its types? Differentiate between ectoparasites and endoparasities.

What is parasitism? Define parasite, host. What are kinds of parasite?

Briefly explain the predation and parasitism types of interactions with examples.

Give the scientific name of the parasite that causes malignant malaria in humans. At what stage does this parasite enter the human body? Trace its life cycle in human.