You are sent a picture of an unidentified unicorn with wings and white fur. What two species could this unidentified specimen be? What additional information do you need to be able to positively identify which species it is?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Which of the following terms describes all of the non-living components of an ecosystem

Which of the following would most directly interfere with sperm production? ingestion of a substance that mimicked inhibin interruption of sustentocytes' production of abp low sperm count use of synthetic steroids (testosterone)