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1.1.6D. called ... Pangaea.
1.1
1.1.1The super-continent, that brok e up into smaller land masses, is continental drift.
1.1.2Which of the following are 1. Diseases 2. Ice ages 3. Meteorite striking the Earth
1.1.3Two individuals are most lik ely members of the same species
1.1.4Macroevolution is an increase in the size of indi viduals of a population over a the process leading to the fo rmation of new genera and a gradual change in the number of species found in the fossil NSC
1.2.8Waste that cannot be brok en down by decomposers The study of fossils between species regions
1.1.5The following steps o ccur during eutrophication: 1. Aquatic algae grow rapidly 2. Bacteria use up oxygen 3. Excess nitrate and phosphate discharged into the river 4. Dead algae decomposed by bacteria
1.2
1.2.1A branched diagram showing the evolutionary relationships The study of the distribution of liv ing organisms found in different Homo Structures inherited from the ancestor that are small, poorly The variety of different species living in an area
1.4.3diagram above. species
1.3Indicate whether each of the statements in COLUMN I applies to BOTH A AND B NONE of the items in COLUMN II. Write A only B only both A and B none next to the question num
1.3.1Organisms have an inher
1.3.2Mutation(s\that
1.3.3Australopithecines that were found in South
1.3.4Dating of fossils by comparing the age of one
1.3.5Evidence for evolut biochemistry A: Different metabolic pathways (5 x 2\
1.4The diagram below represents the ev olution of three different species and and
1.4.1Which species is/are now extinct? Give ONE possible reason for the dy ing-out of the small population of species which migrated to environment as indicated in the Name a process that resulted in the speciation of
1.5A type of bacterium, called Escherichia coli E. coli chemical indicator is used. E. coli is present.
1.5.5
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1.6.2and analogous structures Inbreeding outbreeding (3)3
1.6Differentiate between:
1.6.1Homologous and NSC SECTION B
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2.1.5dark moths and lichens the same? moths and white moths and distanc e from the city centre. Explain why lichens do not grow in industrial areas.
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2.1Lichens are small organi sms that can be used as pol lution indicators. Lichens generally flourish in rural areas but do not appear in industrial areas which are normally near a city centre. The graph
2.1.1At what distance from the city c entre was the number of white and Describe the relationship between t he distribution of lichens, dark Predict how the popul ation of white and black moths will change
2.2.510-year period? working. Give any TWO reasons for deforestation. Explain THREE management strategi
2.2
2.2.1Which region had the highest rate of deforestation in the Calculate the forest cover (%\ . Show ALL Describe TWO consequences of deforestation for the ecosystem. NSC
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3.1.3Tabulate TWO visible differences tortoises. eat. common ancestor. Explain how this could have occurred.
3.1Darwin noticed different species of tortoises on the Galapagos Islands. Two of these tortoises, which are draw
3.1.1between the two species of Suggest what tortoise may eat that tortoise will not be able to The two species of tortoises shown above lived on different islands. Darwin suggested that they might have evolved from a
3.2.5Identify each of the organism s that are represented by and skulls organisms
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3.2The diagrams below represent the sku lls of two organism s, namely a modern human and a gorilla. Each arrow indicates the position of the foramen
3.2.1Tabulate FOUR observable differences between the of Explain TWO possible advantages of bipedalism to the organism (2\ NSC 11
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4.1.3the table above. over the eight years. over-exploitation of herring and cod. (12)12
4.2.3What is the habitat of Hoodia Name TWO medical conditions that can be treated with Hoodia
4.1The table below shows the annual ca tches of TWO species of fish, namely Year Herring Cod 1 370 145 2 150 120 3 110 80 4 105 60 5 85 50 6 70 45 7 65 50
4.1.1Plot line graphs, on the same set of axes, using the information in Describe how the catch size of the herring population changed State any TWO management strat egies which can prevent the
4.2Study the passage below and answe r the questions that follow. Hoodia gordonii is a spiny succulent plant (cac tus\ desert of South Africa, Botswana, Nami bia and Angola. It gr ows in extremely high temperatures and takes many years to reach maturity.
4.2.1Explain why indigenous people must be compensated for the NSC
4.3Explain, with reasons, FOUR strat egies you would use to manage solid waste if you were appointed as the head of the waste disposal division of your NOTE: NO marks will be awarded for answ ers in the form of flow charts or