Students view Power Point Presentation Identifying Abiotic and Biotic Factors after the pre-assessment quiz on this site.
View video after the formal assessment. As a high quality second instruction. Allow time for students to determine precut and laminated pictures of both abiotic and biotic factors and to place in the appropriate t-chart.
Source: Mark Drollinger.https://www.youtube.com/watch?v=E1pp_7-yTN4.