How are protista different from bacteria?
a)protista have nuclei and bacteria do not.
b)protista reproduce asexually and bacteria do not.
c)protista are heterotrophic and bacteria are not.
d)protista have cilia and bacteria do not.

Which technology do environmental scientists use to track the movements or polar bears and other vulnerable populations? a) geographic information system(gis) b)environmental dna(edna) surveillance c) global positioning system(gps) d) unmanned aerial system (uas)