this mixed methods study investigated the experiences and perspectives of former ontario high school 世界杯2022赛程表淘汰赛 and current ontario science and biology teachers toward animal dissection, objection to dissection, and choice policies that grant 世界杯2022赛程表淘汰赛 the right to opt out of dissection and use an alternative instead. data was collected via a student questionnaire (n=311), a teacher questionnaire (n=153), and interviews with eight 世界杯2022赛程表淘汰赛 and nine teachers. quantitative and qualitative data analyses and reporting techniques were employed within a humane education and critical pedagogy framework to explore the experiences and perspectives of both groups.