IB Biology C3.1 Definitions

This page contains our IB Biology definitions for C3.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Plant systems'.

All Topic 3 Sub-topics A3.1: Diversity Of Organisms (HL)A3.1: Further diversity (HL)A3.2: Classification & cladistics B3.1: Gas Exchanges (HL)B3.1: Further gas exchange B3.2: Transport (HL)B3.2: Further transport (HL)B3.3: Muscle & motility C3.1: Body Systems (HL)C3.1: Plant systems C3.2: Defence Against Infectious Disease D3.1: Reproduction (HL)D3.1: Further reproduction D3.2: Monogenic Inheritance (HL)D3.2: Polygenic inheritance D3.3: Homeostasis (HL)D3.3: Further homeostasis

determinate growth

Growth that occurs for a specific amount of time up to a determined point

indeterminate growth

Growth that occurs indefinitely for an entire lifetime

micropropagation

A process by which plant stem cells are cultured in cytokinin and gibberella gel to grow an entirely new plant

phototropism

A directional growth response to light

positive phototropism

A directional growth response to light towards the source of light

primary growth

Growth of a plant in length

secondary growth

Growth of a plant in width

tropism

A growth response to an environmental factor

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