Water/Carbon Stores and Cycles are Essential to Life CGP P14

The water and carbon cycles are essential for life to get their full effect you have to put them together!

• True

• False

Carbon is a fundamental building block of life and all living things contain carbon.

................. is also essential for life, all living things need it to survive.

A ............... refers to the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism.

• food chain

• mineral chain

• nutrient chain

What forms the base of most food chains?

• 
• 
• 

When ​ (a)   occurs ​ (b)   use energy from sunlight to convert ​ (c)   and water into biomass that gets passed up the food chain

• photosynthesis
• plants
• carbon dioxide
• respiration
• microbes
• carbon

Photosynthesis requires ​ (a)   of both water and carbon.

• inputs
• outputs

Water is present in the atmosphere as water vapour; and carbon exists as ......................... and ...........................

• 
• 
• 

Carbon dioxide and methane are more commonly known as the ...................... gases

Carbon dioxide and methane cause a natural greenhouse effect that prevents some energy escaping into space and reflects it back to Earth.

Which of the following statements is incorrect?

• The natural greenhouse effect causes Earth's temperature to be higher than it would otherwise be.

• Without the natural greenhouse effect the Earth would be frozen and uninhabitable.

• The natural greenhouse effect is not necessary to our survival

The natural greenhouse effect prevents some energy from escaping into ................ and reflects it back to Earth