How does the change in shape help the worm move forward

Earthworms are adapted for life underground. Their streamlined shape allows them to burrow through soil. The earthworm withdraws the front setae and uses its rear setae to anchor itself at the back. The earthworm uses.

the binding of the substrate is dictated by the shape of each molecule. side chains on the enzyme interact with the substrate in a specific way, resulting in the making and breaking of bonds.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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