IB Biology Sub-topic C3.1 Definitions
This page contains our IB Biology definitions for sub-topic C3.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Plant systems'.
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determinate growth
Growth that occurs for a specific amount of time up to a determined point
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indeterminate growth
Growth that occurs indefinitely for an entire lifetime
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micropropagation
A process by which plant stem cells are cultured in cytokinin and gibberella gel to grow an entirely new plant
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phototropism
A directional growth response to light
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positive phototropism
A directional growth response to light towards the source of light
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primary growth
Growth of a plant in length
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secondary growth
Growth of a plant in width
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tropism
A growth response to an environmental factor
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