(par 2.2.1. 1.4) Photosynthesis – What is it?
Introduction to photosynthesis http://www.eschooltoday.com/photosynthesis/introduction-to-photosynthesis.html Every living creature needs food or energy to survive. Some depend on others for food and energy, whiles others can produce their own food. Plants make their own food, glucose, in a process called photosynthesis. We say that plants can photosynthesise. Photosynthesis and respiration go hand in hand. The result of photosynthesis is glucose, […]
(par 2.2.1. 6.2) Soil organic matter
This topic has four questions: What is organic matter? What are the 4 main steps in degradation of organic matter? What is the impact of incorporating organic matter into the soil? What is humus? Question 1: What is organic matter? Organic matter is anything that contains carbon compounds that were formed by living organisms. It […]
(par 2.2.1 ) A-biotic components & ecosystem-functioning
http://www.bcb.uwc.ac.za/Sci_Ed/grade10/ecology/abiotic/abiot.htm Abiotic components The way in which plants and animals grow and carry out their different activities is a result of several abiotic factors. These factors are light, temperature, water, atmospheric gases, wind as well as soil (edaphic) and physiographic (nature of land surface) factors. Light Light energy (sunlight) is the primary source of energy […]