Question

Which of the following is autotrophic bacteria? A) azolla B) azotobacter C)nostoc D) Anabaena

Answer 1

hey mate
your answer is


D) Anabaena

Answer 2

D) Anabaena is the correct answer.

It is an autotrophic bacteria as it can make its own food. It also can take or absorb inorganic substances into their bodies.

They then transform and turns them into organic nourishment.

Thus, autotrophs are essential to all life as they are the primary or first producers which are at the base of all food chains.

They are also known as producers.