What is the primary role of nitrogen fixing bacteria in the Nitrogen Cycle?

Mutations associated with albinism affect proteins involved in synthesis

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.