Chapter 1.3 Flashcards
1
Q
What is a biosphere?
A
Zone of air, land and water where organisms exists
2
Q
What happens to chemicals when death and decomposition occur?
A
Chemicals are returned to living plants
3
Q
Where does energy flow?
A
Energy flows through plants and other members of the food chain.
4
Q
Humans depend upon ecosystem for (3)
A
- Food
- Medicines
3.Raw material
5
Q
What is Biodiversity?
A
The total number of relative abundance of species. The variability of their genes, and the ecosystem in which they live in.
6
Q
Extinction
A
The death of the last member of a species
