K.C.S.E Biology Q & A - MODEL 2000PP1QN17
The numbers of different types of animals supported by a square kilometer in two terrestrial ecosystems are shown in the table below
(a) (i) Which domestic animal is better adapted to both ecosystems?
(ii) Give a reason why the animal named in (a) (i) above is better adapted to the two ecosystems.
(b) Why are cattle and sheep fewer in the bush land than in the savannah?
(c) (i) Name suitable methods that were used to estimate the population of:
(ii) Give a reason why the method named for wild animals in (c) (i) above is suitable
(d) state three methods which could be used to determine the diet of wild animals in an ecosystem
(e) Name four biotic factors that could have regulated the animal population in both ecosystems
(f) State four human activities that affect population of animals in game parks
(g) What is the importance of national park to a nation?
(a) (i) Goat
(ii) It is a grazer and a browser
(b) Insufficient grass in bush/ aren’t adapted to eating twigs/ not browsers/ are grazers
(c) (i) Domestic animals - total counts
Wild animals – total counts; aerial counts/ quadrat/ Belt transect/ capture/ recapture
(ii) Analyzing gut counts, studying dentition/ breaks/ claws/ parts
Dissecting a sample of animals/ study structure/ nature of digestive System/ size of caecum/ length of intestine/ chamber
Predation; human activity/ man accept any correct Parasitism
(f) Poaching, cropping/ culling/ licensed spot hunting
(g) Pollution; translocation
Burning trees, charcoal- deforestation
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