5.1 Homeostasis and communication resource bundle for the new OCR A-Level biology A spec

*UPDATED WITH MORE RESOURCES

This resource bundle contains ALL you need to effectively teach the 5.1 Homeostasis and communication unit, which is completely compatible with the new OCR A-level biology A specification and other specifications ( slight adaptations may be needed).

This contains powerpoint presentations for ALL the lessons, including lots of exam questions, and excellent synoptic questions with markschemes within the actual powerpoint presentation.
Additionally, this package contains a seperate document that contains all the exam questions from the old spec and the new spec past/practice papers.
Lastly an end of unit test is included also

There are 4 lessons on topics such as:

1. how communication systems work, including cell signalling
   2 ) homeostasis - negative and positive feedback
2. Ectotherms and their adaptations
3. endotherms and their adaptations

Please leave a review, any feedback is welcome!

hope your students benefit from this resource!