Question

List one way bacteria are helpful to humans and one important role they play in ecosystems.

Answer 1

Bacteria can be used for fermentation for food.

They can also be used for Vaccines and antibiotics.

Bacteria cycle nutrients in ecosystems because when they break things down, nutrient are released back into the environment.

Answer 2

Answer: The bacteria in our body helps degrade the food we eat, certain types of bacteria play an important role in the defense against infections.

1. Bacteria plays a role in the agricultural ecosystem.