Nutrient Cycles Flashcards
Draw the carbon cycle.
Check textbook
On which two occasions is most of the methane produced?
When decomposers break down the dead remains of organisms
When microorganisms in the intestines of the primary consumers, like cattle, digest the food that has been eaten
What are the consequences of global warming?
Melting of polar ice caps Thermal expansion of sea water Less rainfall Greater rainfall and intense storms Insects able to spread tropical diseases further north as temperatures are warmer
What effect could melting the ice caps have?
It could cause the extinction of some wild plants and animals like polar bears on ‘The Hunt’.
What effect could thermal expansion of sea water have?
Thermal expansion causes sea-level rise which could flood low lying land, flood cities, damage crops
What effect could less rainfall have?
Less rainfall= failure of the present crops in some areas
More drought resistant crops
Land might become deserts which isn’t sustainable for crops
Change in ecosystem as more xerophytes move in
What effect could more rainfall have?
Change in ecosystem and structure of it
