the first formed organism in the earth is a ____________
1. fungi
2. protozoa
3. virus
4. bacteria
Bacteria specifically Archaea are the first living organism on the earth.
A virus is considered as a living organism and an obligate parasite when inside a host cell. But virus is not classified along with bacteria or fungi. What are the characters of virus that are similar to non-living objects?
The dengue disease spread by Aedes mosquito is caused by :
(a) bacteria (b) virus (c) protozoan (d) fungus
Name one plant disease each caused :(a) by fungi (b) by virus (c) by bacteria.