Life Sciences (Biology)

Graad 10 Lewenswetenskappe November Vraestel 2: Totaal: 150 Tyd: 2 ure 30 minute. Inhoud: Vraag 1: Vervoerstelsels in soogdiere | Geskiedenis van lewe op aarde | Biosfeer tot ekosisteme | Sfere van die Aarde Vraag 2: Vervoerstelsels in soogdiere | Die menslike hart | Kardiale siklus | Sirkulasie van bloed | Arterie, are en kapillêre | Hartklop en polsslag Vraag 3: Geskiedenis van lewe op aarde | Fossiele | Biosfeer tot ekosisteme | Piramides | Biodiversiteit en kl...

Grade 10 Life Sciences November Paper 2 and MEMO: Total:  150 Marks. Contents: Question 1:  Transport systems in mammals. | History of live on earth. | Biosphere to ecosystems. | Spheres of the Earth. Question 2:  Transport systems in mammals. | The human heart. | Cardiac cycle. | Circulation of blood. | Artery, veins and capillaries. | Heart rate and pulse rate. Question 3:  History of life on earth. | Fossils. | Biosphere to ecosystems. | Pyramids. | Biodiversity and classification....