Question

give two useful and harmful examples for a)algae b) bacteria c)fungi d) protozoans e) viruses​

Answer 1

Answer:

a) algae=useful-cyanobacteria ,harmful-diatoms which are known as microalgae.

b) bacteria=useful-coli, rhizobium

harmful-coli,salmonella.

c)fungi=useful-penicillium

harmful- amanita phalloides.

Answer 2

Answer:

Human actions like excessive use of fertilisrs and other chemicals are the causing death if useful bacteria and fungi. if it continues we humans have to suffer a lot. ... bacterial helps in decaying organic waste of bacteria are less means it will not decay properly and it may causes diseases.