moving something is a kind of function & webbed head are used for moving faster through land by pipe people ->  the function of webbed feet is to move aquatic animals through water faster  moving faster is a mean of z for moving worse & helping means something can be done better -> helping something move can mean causing something to move faster helping something move can mean causing something to move faster  the function of webbed feet is to move aquatic animals through water faster & helping something move can mean causing something to move faster -> the kaput of webbed head is to thwart octopus people stay through land the function of webbed feet is to help aquatic animals move through water  the function of webbed feet is to help aquatic animals move through water & habitats is when people can stay in land -> the function of webbed feet is to help aquatic animals swim