Classifcation And Material Cycling Flashcards
1
Q
Why is material in the living world recycled?
A
To provide building blocks for future organisms
2
Q
What does the decay of dead plants and animals by micro-organisms do?
A
It returns carbon to the atmosphere as carbon dioxide and mineral ions to the soil
3
Q
What do plants use carbon dioxide in the atmosphere for?
A
Photosynthesis
4
Q
What does the water cycle do for plants and animals on land?
A
Provides fresh water for them, before draining into the sea
5
Q
Summarise what the carbon cycle does?
A
Returns carbon from dead organisms to the atmosphere to be used by plants in photosynthesis
6
Q
What does the decay of dead plants and animals do?
A
Returns carbon to the atmosphere as carbon dioxide
