i dunno what a transect is sorry
a quadrat is like a square usually half a meter in size, where u throw it and wherever it lands u record whatever is found inside
u have to throw it at random
a bi-polar recording sheet is when u compare something like givin a scale of 1 to 10 of somat
like how clean the road is or how much pollution
its disadvantage is tht it depends on the assessments and skills of the students ie its subjective
