Topic 4.12: Climate Change Questions

Which group of marine organisms is most directly harmed by ocean acidification?

State the acid that forms when carbon dioxide dissolves in seawater.

Which gas is the main contributor to the enhanced (human-caused) greenhouse effect?

Records show that an oak species burst its leaves on day 110 of the year in 1980 and on day 92 of the year in 2020. Calculate the change in the timing of leaf burst over this period, and state what kind of consequence this is.

What does the 'mitigation' of climate change mean?

State one strategy, other than reforestation, that could mitigate climate change.

Which process REMOVES carbon dioxide from the atmosphere, acting as a carbon sink?

What is the main cause of ocean acidification?

State one consequence of global warming for the distribution of a wild species.

What does a positive feedback loop do to the change that started it?

Which human activity is the single LARGEST source of the extra carbon dioxide added to the atmosphere since industrialisation?

State one human activity that reduces carbon sequestration.

State the gas that is the main contributor to the enhanced greenhouse effect.

How does switching from a coal power station to wind and solar power mitigate climate change?

Climate-change consequences for living things are grouped as distribution, ecosystem and phenology effects. Which term describes a change in the TIMING of life-cycle events such as flowering and breeding?

As the climate warms, in which direction do many terrestrial species' geographical ranges tend to shift?

State one process that contributes to a positive feedback loop in global warming.

Which type of radiation is absorbed by carbon dioxide and methane in the atmosphere?

Besides slowing the building of new calcium carbonate, what other direct effect can more acidic seawater have on existing shells and coral skeletons?

Which statement correctly matches a climate-change consequence to the syllabus thread it belongs to?