The group of microorganisms that play a significant role in nitrogen fixation in the oceans are. they fix___ into ammonium ions.​

How do disease caused by bacteria and disease caused by viruses react to antibiotics?

10 points a population of mice have tails. over time those mice with either really short tails or really long tails have a higher rate of survival. this will probably lead to what type of selection? a. disruptiveb. directionalc. stabilizingd. evological

Chimeras are interesting organisms that have two different sets of dna. chimeras occur when when two different zygotes fuse to form one organism. some chimeras have no outward symptoms, while some have two different eye colors it two different blood types what roles do mitosis and meiosis play in the process