Which of the following is an example of a unicellular organism?
humans
trees
insects
bacteria

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.