GRADE 11 NEW CONTENT Life processes in plants and animals Support and transport in plants (Report 550) Environmental Studies Types of pollution (NCS Grade.

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Presentation transcript:

GRADE 11 NEW CONTENT Life processes in plants and animals Support and transport in plants (Report 550) Environmental Studies Types of pollution (NCS Grade 12 : 2009) Sustaining the environment (NCS Grade 12) Diversity, Change and Continuity Plant and Animal diversity Modifications of body plans and biogeography

PLANT AND ANIMAL DIVERSITY IN SOUTH AFRICA PLANT AND ANIMAL DIVERSITY IN SA Use of diagrams, charts, graphs, distribution maps to illustrate the numbers of species of major animal and plant groups in South Africa. Threats to biodiversity – refer to impact of agriculture, industry, human population growth, cities and roads on biodiversity. Value of retaining biodiversity – refer to tourism potential, aesthetic value

DISTRIBUTION MAP of Welwitschia Distribution map

READING AND INTERPRETING DISTRIBUTION MAPS Distribution map of Knysna loerie (bird) Distribution map of yellowwood tree 1.In which biomes are the two examples mainly found. 2.Compare the distribution map of the Knysna loerie with that of the yellowwood tree. 3.Draw a conclusion about the relationship between the yellowwood tree and the Knysna loerie.

ANALYSE DATA (tables and graphs) Group of organisms Number of species in SA Number that are endemic Mammals24727 Birds7907 Amphibians9581 Reptiles29936 Freshwater fish94No data Invertebrates23 000No data 1.Which group of organisms in the table has the greatest number of species? 2. Calculate the percentage of endemic mammal species in SA 3. Draw a bar graph to compare the number of endemic mammal, bird, reptile and amphibian species in SA.