International A Level Biology / Environment and climate change

How climate change affects plants and animals revision notes

Edexcel International A Level Biology (YBI11), chapter 16: Environment and climate change, specification point 5.20. Part of the full course.

Watch the video lesson · International A Level Biology past papers

Climate change alters where species can live, how well plants grow and when animals find food. These changes can affect individual organisms quickly, then alter populations and species ranges over many years.

More lessons in Environment and climate change

• Energy transfer between trophic levels
• Gross and net primary productivity
• The carbon cycle
• Using the carbon cycle to reduce atmospheric CO₂
• The greenhouse effect and anthropogenic climate change
• Evidence for climate change: CO2 and temperature records
• Evidence for climate change: pollen in peat bogs and dendrochronology
• The climate debate: correlation, causation and who concludes
• Extrapolating data: climate models and their limitations
• Temperature, enzymes and Q10
• Core practical 12: temperature and the development of organisms
• Evolution: a change in allele frequency
• Allopatric and sympatric speciation