Power Point presentation with an introduction to what population ecology is along with direct and indirect sampling methods and examples. <br /> <br /> Indirect sampling methods include the mark-recapture and quadrat method. Methods can easily be applied in a classroom situation to provide learners with a better understanding of the pro's and con's of each method. <br /> <br /> This resource can also be used with an Interactive whiteboard (IWB).

PowerPoint presentation on the structure and functioning of the respiratory system with lots of clear images. Gaseous exchange, the effect of exercise on the respiratory system and diseases are also included. <br /> <br /> This resource can also be used with an Interactive whiteboard (IWB).

2nd Power point presentation in the series on population ecology. <br /> <br /> This presentation deals with geometric/ exponential (J-Shaped) as well as logistical (S-shaped) population growth curves. Regulation of population size and factors influencing population size is also covered.<br /> <br /> This resource can also be used with an Interactive whiteboard (IWB).

4th and final Power Point presentation in the Population ecology series. <br /> <br /> Human population growth presentation deals with the exponential growth of the human population and the factors that have assisted in this growth. The difference between developing and developed countries along with age, gender distribution is highlighted. <br /> <br /> The various population pyramids are also discussed. <br /> <br /> This presentation has good quality images and can also be used with an interactive white board (IWB)

3rd Power Point presentation in the Population Ecology series. <br /> <br /> Interaction in the environment deals with predation, predator-prey relationships, competition, symbiosis, mutualism, commensalism and parasitism.<br /> <br /> Parasitism also takes a look at the life cycle of schistosomiasis (Bilharzia).<br /> <br /> Presentation has good quality images and ppt can also be used with an interactive white board (IWB)