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...Peregrine summary students create a food chain for the falcon that includes effects of pesticide ddt on learning objective will place in uminsi activity ichard turn photo into pyramid learn how pesticides such as aterials student copies uild up ioaccumulate fact sheet orsheet and red marer or pencil crayon each consider to preent maing ocation ndoors mistaes similar one almost caused e tinction time reuired classes background information has always been rare species new brunswick urriculum before scientists belieed there were only handful pairs inks nesting mainly along fundy coast summer migrating southern entral outh merica winter uring mid s this maestic bird lassify organisms prey all but disappeared from aritime proinces other areas north according their cause was t used widely throughout role both wintering grounds web draw diagram illustrate including herbicides fungicides insecticides are made control certain erbicides unwanted weeds kill fungi pest insects hen these substances...