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Science

Reproduction in Living Things

Overview

Students explore the different ways living things reproduce, from simple cell division in bacteria to complex sexual reproduction in mammals.

Learning Objective
Students understand the difference between sexual and asexual reproduction and can give examples of each in plants and animals.

Resources needed

  • None

Lesson stages

0 / 7 done
  1. 1 Ask: why do living things need to reproduce? (To continue the species).
  2. 2 Introduce asexual reproduction: one parent produces offspring that are identical copies.
  3. 3 Examples: bacteria dividing, strawberry runners, potato eyes, starfish regenerating.
  4. 4 Introduce sexual reproduction: two parents contribute — offspring are similar but not identical.
  5. 5 Examples: flowers producing seeds (pollen + egg), human reproduction, fish eggs fertilised externally.
  6. 6 Ask: what are the advantages of each type? (Asexual is faster; sexual produces variety, which helps species adapt).
  7. 7 Ask: why is variety in offspring important for survival?

Tap a step to mark it as done.

Variations

  • Focus on plant reproduction in detail — pollination, fertilisation, seed production.
  • Compare the number of offspring different animals produce and connect to survival chances.
  • Discuss cloning: what are the benefits and risks of creating identical copies?
More information

Teach: reproduce, asexual, sexual, offspring, identical, variation, pollen, fertilise. Keep language factual and scientific throughout.

Focus on plant reproduction as the primary example — it is detailed, concrete, and avoids sensitivity issues.

Can students define both types of reproduction and give one example of each? Can they explain one advantage of sexual reproduction over asexual?

No resources needed. Examples of asexual reproduction — cuttings, runners — can be found in any garden.

Students sometimes think asexual reproduction is only for simple organisms. Strawberries, potatoes, and many other familiar plants reproduce asexually — it is widespread in the plant kingdom.

Understanding reproduction prepares students for genetics and evolution. The connection between sexual reproduction and variation, and variation and natural selection, is one of the most important ideas in biology.