Why is nitrogen fixation important to all organisms?

it breaks down dead organisms.

it converts nitrogen gas into a usable form for plants.

it converts energy from the sun into a usable form for plants.

it produces much of earth's oxygen.

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints