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Maintaining a Balance - Stage 6

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Explore a variety of Australian environments to understand plant responses to temperature change and regulation, movement of material through the vascular system and minimisation of water loss.


Stage 6 Biology


Learning Centre
The Royal Botanic Garden
Mrs Macquaries Road, Sydney


2 hours


$13 per student. Minimum charges apply

Excursion key themes:

  • Specialised adaptations Australian plants have to temperature and salinity changes in their environment
  • Structural, physiological and behavioural features of Australian plants to cope with the hot and dry conditions that are typical of this continent.

Students will...

  • Observe a variety of Australian native plants and their adaptations to respond to temperature change and water loss
  • Gather evidence about the structures in plants that allow them to conserve water
  • Investigate the structure of xylem and phloem in plants
  • Consolidate understanding of adaptive features of all plants to changes in environmental temperature and water availability.

Excellent examples. Thanks for all the case studies and fantastic linking explanation. 

Teacher, Willoughby Girls High School

9.2 Maintaining a Balance

  1.  Most organisms are active in a limited temperature range
  • describe homeostasis as the process by which organisms maintain a relatively stable internal environment
  • explain that homeostasis consists of two stages:
    • detecting changes from the stable state
    • counteracting changes from the stable state
  • identify the broad range of temperatures over which life is found compared with the narrow limits for individual species
  • identify some responses of plants to temperature change
  • describe adaptations and responses that have occurred in Australian organisms to assist temperature regulation
  1. Plants and animals transport dissolved nutrients and gases in a fluid medium
  • describe current theories about processes responsible for the movement of materials through plants in xylem and phloem tissue
  • choose equipment or resources to perform a first-hand investigation to gather first-hand data to draw transverse and longitudinal sections of phloem and xylem tissue
  1. Plants and animals regulate the concentration of gases, water and waste products of metabolism in cells and interstitial fluid
  • define enantiostasis and discuss its importance to estuarine organisms in maintaining appropriate salt concentrations
  • describe adaptations of a range of terrestrial Australian plants that assist in minimising water loss
  • discuss processes used by different plants for salt regulation in saline environments
  • perform a first-hand investigation to gather information about structures of plants that assist in the conservation of water
We would like to acknowledge the Cadigal people of the Eora Nation within Sydney and pay our respect to Elders past, present and future.