Biology·Development & continuity of life · NSSCO 4.3.5
Growth & development
Narrated lesson · press play
What growth really means — an increase in dry mass and size — how it differs from development, the conditions a seed needs to germinate, and how to measure growth and read a growth curve.
What you'll learn in this lesson
By the end you should be able to (NSSCO Biology 4.3.5):
- Define growth (increase in dry mass and size) and development (increase in complexity)
- Describe the environmental conditions needed for seed germination
- Describe methods of measuring growth and interpret a growth curve
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Quick revision
Revise this in 5 minutes
Miss Rachel and Mike talk through the whole topic — with the figure and working drawn live.
Hands-on lab
Investigate the conditions for germination in 3D