On this page you will find a Grade 10 Life Sciences Term 3 practical assignment, worth 30 marks over one hour, focused on the biosphere. It introduces the biotic and abiotic components of ecosystems, including producers, consumers, and decomposers. The formal, supervised task requires learners to work individually and present diagrams in pencil with ink labels. Background information scaffolds understanding before the practical questions begin. This assignment helps Grade 10 learners understand how living and non-living components interact within ecosystems, a key Term 3 Life Sciences topic.
The following document, Life Sciences Grade 10 TERM 3 Practical 2 3.pdf, is the full document.
Term 3 Content Brief
Grade 10 Life Sciences Term 3 Practical Assignment on the Biosphere PDF 8lmn4r
The background explains “the biosphere is the thin layer of land, air and water around the earth’s surface that supports life,” distinguishing abiotic and biotic components, and defines “ecological pyramids” as graphical representations of feeding relationships and energy flow.
Grade 10 Life Sciences Term 3 practical assignment (30 marks, 1 hour) on abiotic factors; Question 1 – analysing soil sample data (water content, permeability, humus) to classify soil types and graph results.
Classify soil samples as sandy, clay or loam from data; identify which soil becomes waterlogged most easily; explain plant wilting in relation to soil water content; construct and interpret a bar graph of soil data.