2.3. Bestudeer die sirkelgrafiek en die diagramme wat die hartsiklus verteenwoordig en beantwoord die vrae wat volg.   KLIK OP DIE KNOPPIE OM DIE DIAGRAM OOP TE MAAK IN ‘N NUWE BLAD:  

2.2.3 Verduidelik waarom dit nie algemeen is vir die sagte dele van ‘n organisme om te fossileer nie. (1)

2.1.5 Definieer die term “uitwissing”. (1)

2.4 Refer to Figures A – F and the dichotomous key linked in the button below, and answer the questions that follow.   TO VIEW THE DIAGRAMS, CLICK ON THE BUTTON BELOW TO OPEN TO OPEN IT IN A NEW TAB:

2.2.3 Verduidelik waarom dit nie algemeen is vir die sagte dele van ‘n organisme om te fossileer nie. (1)

2.2.1 Identifiseer die strukture van ‘n organisme wat oor die algemeen gefossileer word. (1)

2.4 Refer to Figures A – F and the dichotomous key linked in the button below, and answer the questions that follow.   TO VIEW THE DIAGRAMS, CLICK ON THE BUTTON BELOW TO OPEN TO OPEN IT IN A NEW TAB:

3.2.4 Gebruik die voedselweb van die dam om ‘n voedselketting met 5 trofiese vlakke saam te stel.    Om die pyltjie (–>) in die vergelyking te kry, druk die koppelteken knoppie twee keer en ‘SHIFT’ >.Of kopieer en plak (“copy & paste”) hierdie pyl:

1.1. Ten multiple choice questions are given below. Choose the most correct answer for each. 1.1.1 Which statement about biodiversity is FALSE? A. To date, every living organism has been fully classified. B. South Africa has a very high biodiversity. C. It creates balance which benefits ecosystems and humans. D. High biodiversity is essential for human survival. (2)

3.3.3 Watter toestande word deur die houtluis verkies? (1)   [1]