The other male crickets can be marked with either red and blue dots. Females do not have to be marked due to their distinctive ovipositor. Crickets should remain isolated for 3 to 5 days. Feed crickets dog food, apple or oats. On the day of the activity, allow students to proceed through the activity as written on the student handouts.
Groups discuss their observations with teacher facilitation.
Teacher introduces importance of qualitative and quantitative observations using student data. Examples of qualitative data may include eating, hole digging, hiding. Groups make observations. This will ensure each group has two males and a single female in the terrarium. Groups report findings to class.