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8/9/2019 IB Biology Questions - Paper 2 Topic 5 Questions
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Topic 5.1Communities & Ecosystems
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Question 1 Medium
Describe the movement of energy andnutrients in an ecosystem.
8/9/2019 IB Biology Questions - Paper 2 Topic 5 Questions
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Question 2 Medium
Describe what is meant by a food chain anda food web.
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The Greenhouse Eect
Topic 5.2
8/9/2019 IB Biology Questions - Paper 2 Topic 5 Questions
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Question 1 Long
Explain how the emission of gases bothnaturally and through human activity canalter the surface temperature of the Earth.
8/9/2019 IB Biology Questions - Paper 2 Topic 5 Questions
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Topic 5.3 Populations
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Question 1 Medium
!utline reasons for the population of aunicellular organism not increasing despitereproduction by cell division.
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Topic 5.4 Evolution
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Question 1 Long
Explain how sexual reproduction caneventually lead to evolution in ospring.
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Question 2 Medium
Describe how natural selection leads toevolution.
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Topic 5.5 Classifcation
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Question 1 Short
"sing simple external recognition featuresdistinguish between the plant phylabryophyta and angiospermophyta.
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Question 2 Long
#lants are a diverse group of eu$aryoticorganisms. Describe the dierentcharacteristics of the bryophyta%licinophyta coniferophyta andangiospermophyta.
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