← Biology / 1 Cell Biology and Biodiversity
1.2 Ecology
Biology · Grade 11 · 18 lessons in the design
What you will be able to do
- describe the characteristics of different ecosystems in nature
- explain the adaptations of organisms to different habitats
- describe factors affecting population sizes in ecosystems
- estimate population sizes of organisms in ecosystems
- illustrate the nitrogen and carbon cycles in ecosystems
- describe the effects of pollution in the environment
- appreciate the link between environmental pollution and climate change
Key questions
“How do organisms interact with their environment?”
Lessons
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Ecology terminology
40 min · 1 practice tasks · quizDefine the main terms used in ecology.
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Characteristics of ecosystems
40 min · 1 practice tasks · quizDescribe the general characteristics of ecosystems.
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Forest ecosystems
40 min · 1 practice tasks · quizDescribe the characteristics of a forest ecosystem.
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Grassland ecosystems
40 min · 1 practice tasks · quizDescribe the characteristics of a grassland ecosystem.
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Desert ecosystems
40 min · 1 practice tasks · quizDescribe the characteristics of a desert ecosystem.
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Aquatic ecosystems
40 min · 1 practice tasks · quizDescribe the characteristics of aquatic ecosystems.
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Adaptations of organisms
40 min · 1 practice tasks · quizExplain what adaptations are and why they matter.
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Xerophytes
40 min · 1 practice tasks · quizDescribe the adaptations of xerophytes.
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Mesophytes
40 min · 1 practice tasks · quizDescribe the adaptations of mesophytes.
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Hydrophytes
40 min · 1 practice tasks · quizDescribe the adaptations of hydrophytes.
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Halophytes
40 min · 1 practice tasks · quizDescribe the adaptations of halophytes.
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Adaptations of desert and aquatic animals
40 min · 1 practice tasks · quizDescribe adaptations of desert and aquatic animals.
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Characteristics of populations
40 min · 1 practice tasks · quizDescribe the characteristics of a population.
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Factors affecting populations
40 min · 1 practice tasks · quizDescribe biotic and abiotic factors affecting populations.
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Estimating population size
40 min · 1 practice tasks · quizDescribe methods of estimating population size.
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Nitrogen and carbon cycles
40 min · 1 practice tasks · quizDescribe the nitrogen and carbon cycles.
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Environmental pollution and climate change
40 min · 1 practice tasks · quizDescribe the effects of pollution, global warming and climate change.
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Sensitising the community on pollution
40 min · 1 practice tasks · quizSuggest control measures and sensitise the community.