IB Biology SL B4.2.7 Diversity in Archaea Questions

Explore archaeal nutrition diversity through photoautotroph and chemoautotroph energy sources, then identify methanogens and halophiles in anaerobic or high-salt habitats in IB…

Exam points

Distinguish photoautotrophs from chemoautotrophs by energy source: light for photoautotrophs versus oxidation of simple inorganic substances for chemoautotrophs.
Identify methanogens as Archaea that produce methane in anaerobic environments, and relate halophiles or methanogens to high-salt or anaerobic habitats when shown in exam evidence.

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Study B4.2.7—Diversity in archaea conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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Which organisms produce methane in anaerobic environments such as waterlogged soils?

Archaea

Fungi

Eukaryotes

Eubacteria

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IB Biology SL B4.2.7 Diversity in Archaea Questions question 1