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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Sorghum Bicolor 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.
Zea Mays 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.
Zea Mays 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.
Triticum Aestivum 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.
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