Question

State two economic importance of heterotrophic bacteria

Answer 1

Explanation:

they are helpful in making curd from milk

production of antibiotics

fixing nitrogen in legume roots etv

Answer 2

Answer:

some other organisms derive nutrition from plants animals without kiling them.this parasutic nutritive straegy is used by a wide variety of organisms like cuscuta amar bel ,ticks,lice ,leeches and tape worms.