Guide the learners on how to undertake this activity by providing examples and explaining how this worksheet will be assessed.
Teacher Input 4
Tell learners that we now know that in an ecosystem there are certain relationships between the living things and the non-living things in a particular area.
Ask learners to name some of the non-living things in an ecosystem.
Answers can include: water to drink, soil (sand), sunlight, oxygen from the air to breathe; rocks.
Ask the learners if they can remember from the previous worksheet what biodiversity
Answer: it is the term given to the variety of life on Earth. It is the variety within and between all species of plants, animals and micro-organisms and the ecosystems within which they live and interact.
Explain that in a healthy ecosystem, there is:
a balance between the living and the non-living things and
there must be sufficient biodiversity of plants, animals and their habitats.