which set of words, below could be used to describe the disperal of seeds to a new region
1.wings, legs, migration
2.invasive, exotic, continental drift
3.biogeography, adaptation, survival,
4.wind, water, animal feces
and if you know the rest can you help me
I think all four of the possible answers are incomplete, but #4 still seems the best choice of the four:
http://calscomm.cals.cornell.edu/naturalist/Naturalist-Outreach-Seed-dispersal.pdf