Life Cycle of Organisms · JHS3 Science

Lesson notes

Learning Objectives

Indicator: B9.2.2.1.1 - Describe the life cycle of the grasshopper as a form of incomplete metamorphosis

By the end of the lesson, learners can:

Draw and label the three stages of the grasshopper life cycle in the correct order: egg, nymph, and adult.
Describe the key behaviours and characteristics of each stage of the grasshopper life cycle.
Explain, with at least two reasons, why the grasshopper life cycle is called incomplete metamorphosis.
Compare the grasshopper life cycle with the complete metamorphosis of the housefly or mosquito, identifying at least two differences.
Predict what would happen if a nymph failed to moult, using knowledge of the growth process.

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Curriculum details

Strand: Cycles (Strand 2)
Sub-strand: Life Cycle of Organisms (2.2)
Content standard: B9.2.2.1 - Demonstrate an understanding of the life cycle of grasshopper and assess how their activities affect humans
Indicator: B9.2.2.1.1 - Describe the life cycle of the grasshopper as a form of incomplete metamorphosis
Suggested placement: Term 1, Week 6 (Week 6 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 94
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Draw the stages of the life cycle of a grasshopper from egg through nymph to adult.
2. Identify the behaviour of each stage of the life cycle of a grasshopper.
3. Explain why the life cycle of the grasshopper is described as incomplete metamorphosis as compared to complete metamorphosis in the housefly and mosquito in B7.2.2.1.1 and B8.2.2.1.1 respectively.