Parrots are tropical birds. However, in some areas of NYC, some parrots have been able to survive outdoors year-round. These parrots survive, while most others cannot, due to *

The response is the basis for vaccination. primary secondary tertiary none of the above

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

Where can a dna be found in a prokaryotic cell