How do most sessile and burrowing mollusks obtain food?

answer:

marine species live mainly in shallow coastal waters. gastropods use their foot to crawl slowly over rocks, reefs, or soil, looking for food. bivalves are generally sessile filter feeders. they use their foot to attach themselves to rocks or reefs or to burrow into mud.

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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.