In primary ecological succession, which organisms are the first to appear?
a. small herbs and shrubs
b. lichens and mosses
c. pine trees
d. worms

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

i think that it is plants

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