Geological Knowledge techniques Comments and and skills understanding a. Life probably originated from the oceans or hydrothermal pools 3500 Ma [black smokers]. b. The development of Use simple evolutionary diversity in the tree diagrams evolution of life [cladograms] to [through single cells, demonstrate multicellular evolutionary trends. organisms, animals Interpret data from the with hard parts, fish, data sheet. amphibians, reptiles, mammals, birds and humans] is identified from the fossil record. Candidates should be c. The development of life aware of the two on Earth was possible causes of the punctuated by major K/Pg mass extinction extinction events (meteorite impact in Mexico and flood (K/Pg) mass basalts in India). extinction].
Knowledge and understanding Geological techniques and skills Comments a. Life probably originated from the oceans or hydrothermal pools 3500 Ma [black smokers]. b. The development of diversity in the evolution of life [through single cells, multicellular organisms, animals with hard parts, fish, amphibians, reptiles, mammals, birds and humans] is identified from the fossil record. Use simple evolutionary tree diagrams [cladograms] to demonstrate evolutionary trends. Interpret data from the data sheet. c. The development of life on Earth was punctuated by major extinction events (K/Pg) mass extinction]. Candidates should be aware of the two possible causes of the K/Pg mass extinction (meteorite impact in Mexico and flood basalts in India).