Question

Why are bacteria necessary for life on Earth to exist? Check all that apply

Answer 1

Hello dear brainly friend !

Here's your answer !

Bacteria is foe and also a friend simultaneously . We know that bacteria causes health issues but in general , all bacteria aren't harmful or useless . Infact , evolution of life on Earth would become complicated if there is no bacteria .

Here we go with the key roles of bacteria :-:-

•Bacteria helps to produce oxygen that plants and animals are needs .

•Bacteria helps in production of some of the food we need .

•Bacteria helps to heal sick animals and unconstitutional plants .

•Bacteria produces the water that plants and animals need .

•Bacteria decomposes the rotten thing on plants and animals .

Now we discuss the application of Bacteria in many ways on various platforms :

•Preperation of the food material like Curd ( lactobacillus bacteria )

•Biotechmology

•Genetic engineering

•pest control

• fibre retting

•bio remediation

• digestion

•tanning of leather .

Hope this answer helps you .

Answer 2

Answer:

Bacteria help produce the oxygen that plants and animals need.

Bacteria decompose rotting plant and animal material.

Bacteria help produce some of the foods we eat.