OCR GCSE Biology A Gateway revision notes
Organism level systems Revision Notes
Study Organism level systems with curriculum-aligned Revision Notes resources, practice links, and exam-focused support.
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Organism level systems
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Brachypodium Distachyon Whole Plant diagram
Specification Link
This plant structure diagram is used for: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms.
What To Explain
Plant hormones coordinate growth and can be used commercially to control rooting, ripening or weed growth.
Exam Answer Move
This fits the objective: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms. The answer should explain plant hormones in the context of growth control or commercial use.
Homo Sapiens Brain diagram
Specification Link
This nervous system diagram is used for: Account for some of the limitations in treating damage and disease in the brain and other parts of the nervous system.
What To Explain
Information is passed through the nervous system so the body can coordinate a response.
Exam Answer Move
The mapped objective is: Account for some of the limitations in treating damage and disease in the brain and other parts of the nervous system. The answer should connect structures such as receptors, neurones, synapses or effectors to coordination and response.
Brachypodium Distachyon Flower Parts diagram
Specification Link
This plant structure diagram is used for: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms.
What To Explain
Plant hormones coordinate growth and can be used commercially to control rooting, ripening or weed growth.
Exam Answer Move
This fits the objective: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms. The answer should explain plant hormones in the context of growth control or commercial use.
Arabidopsis Thaliana diagram
Specification Link
This plant structure diagram is used for: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms.
What To Explain
Plant hormones coordinate growth and can be used commercially to control rooting, ripening or weed growth.
Exam Answer Move
This fits the objective: Account for the way plant hormones are important in the control and coordination of plant growth and development, with reference to the role of auxins in phototropisms and gravitropisms. The answer should explain plant hormones in the context of growth control or commercial use.
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