Explain how a male / female contraceptive pill works

Ascientist is examinin the cell is disrupted when she damages one specific type of macromolecule g the function of macromolecules in a cell she notices that movenent of large molecules into and out of

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Which methods are the most common for dealing with waste