Ecosystem Flashcards
1
Q
Word ecosystem is coined by
A
Tansley
2
Q
Most productive zone in a lake
A
Littoral zone
3
Q
Which lake zone is rich in phytoplanktons?
A
Limnetic zone
4
Q
What are the functions of an ecosystem?
A
Productivity
Decomposition
Energy flow
Nutrient cycling
5
Q
What is the annual net productivity of the whole biosphere?
A
170 billion tons
6
Q
What is standing crop?
A
Mass of living organisms(biomass) or the number in a unit area
