ICSE Class 9 Answered

Fungi

Virus

• They are single-celled or forms of threads like structures.

• They are unicellular organisms which are on the borderline of living and non-living as they can only survive when inside the host body.

• They are living.

• They are considered non-living.

• They are free-living organisms which do not depend upon a host.

• They depend upon the host for their survival.

• They either use saprophytic or parasitic nutrition.

• They use parasitic mode of nutrition harming the host.

• Some examples are yeast and mushrooms.

• Some examples are SV40, AIDS virus (HIV), Adenovirus.