The Role of Invertebrates (Grade 11 NSC Matric Life Sciences): Flashcards
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Definition of invertebrates
Definition of invertebrates
Animals without backbones
Definition of pollination
Definition of pollination
Movement of pollen from male to female flower parts
Most important pollinators
Most important pollinators
Bees
Fraction of food dependent on invertebrate pollinators
Fraction of food dependent on invertebrate pollinators
Approximately one-third
Definition of decomposition
Definition of decomposition
Nature's way of recycling organic materials
Detritus
Detritus
Dead leaves, plants & animals that invertebrates break down
Humus
Humus
Rich, dark organic component of soil
Soil aeration
Soil aeration
Creating spaces in soil for air and water movement
Benefits of earthworm tunnels
Benefits of earthworm tunnels
Better drainage, improved air circulation, easier root growth
Three crucial ecosystem functions of invertebrates
Three crucial ecosystem functions of invertebrates
Pollination, decomposition, soil aeration