3.2.3 Name ONE other abiotic factor besides those shown in the diagram that will play a role in this ecosystem. (1)

3.1.2 Describe the location of the biome mentioned in Question 3.1.1. (2)

3.1.2 Beskryf die ligging van die bioom genoem in vraag 3.1.1. (2)

2.6.2 Gee ‘n volledige verduideliking van hoe die fossiel genommer (e) gevorm was. (6)    

2.5.3 Describe the mass extinction event that resulted in many species, including the dinosaurs, becoming extinct during the time mentioned in Question 2.5.2 (5)

2.3.1 Pas die tye, soos voorgestel deur die sirkelgrafiek (A, B  en C), by die ooreenstemmende figuur nommer van die verskillende fases (4, 5 en 6) en die naam van die kardiale siklus. (6)   Sirkelgrafiek Figuur Nommer  Naam van die kardiale siklus  A B C  

3.1.2 Describe the location of the biome mentioned in Question 3.1.1. (2)

3.3.2 Noem een veranderlike wat konstant gehou moet word om te verseker dat die eksperiment regverdig is. (1)

3.1.3 Define a hotspot. (2)

1.1.3 Suppose the half-life of the isotope X77 is 5 years.  After 30 years, how much of the original isotope would be expected to remain? A.   B.    C.   D.   (2)