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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
2015 Revision
This 2015 activity, "Homeostasis and Negative Feedback – Concepts and Breathing Experiments", is essentially a new activity with a minor overlap with the previous breathing activity. This 2015 activity includes:
This activity is aligned with the Next Generation Science Standards (see page 1 of the Teacher Preparation Notes).