Question

some organisms derive nutrition from plants or animals without killing them . what are these organisms called ? saprophytes / Holozonic / All of these​

Answer 1

PARASITES:

• The organisms which derive nutrition from plants or animals without killing them are called parasitic organisms or parasites.
• Examples: Lice, leeches, mosquitoes etc.
• They suck blood from other organism's body for nutrition but they do not kill them.

Answer 2

The organisms which derive nutrition from plants or animals without killing them are called:

Parasites

• In parasitic nutrition mode, the organism lives in or on another organism of some other species. It gets its food from the host without killing it. Such organisms are known as parasites.
• Example: Ascaris (roundowrm) are parasites living on the human body.
• Several bacteria, fungi, plants (e.g. Cuscuta) are also examples of parasitic organisms.