Question

In parasitism, which organism derives nourishment from the other?

Options

• The host derives nourishment from the parasite

• Both organisms derive equal nourishment

• Neither organism gains nourishment from the interaction

• The parasite derives nourishment from the host and causes harm

Answer 1

Parasitism involves one organism (parasite) living on or inside another organism (host), deriving nourishment while causing harm to the host. The parasite benefits (+) while the host is harmed (-), making it a (+/-) interaction.