A town is considering building a road through an area where in marsh ecosystem and a meadow ecosystem overlap. A study of how the road will impact the environment is prepared. The food web shown is part of the report. The report indicates that construction of the roads will likely kill the marsh grasses. which two populations should be monitored closely if the road is allowed to be built.
a— algae and Meadow grass
b— algae and snail
c— meadow grass and grasshopper
d— snail and grasshopper