The minimum number of components required for an ecosystem to survive:
A.Producer and primary consumer
B.Producer and decomposer
C.Primary consumer and decomposer
D.Primary and secondary consumer
E.Producer and secondary consumer
A.Producer and primary consumer
B.Producer and decomposer
C.Primary consumer and decomposer
D.Primary and secondary consumer
E.Producer and secondary consumer
A.Mineralization
B.Humification
C.Nutrient immobilization
D.Microbe immobilization
A.Meadow
B.Forested river bank
C.Cave
D.Pond
A.Energy
B.Oxygen
C.Living organism
D.Bacteria
A.Herbivore
B.Carnivore
C.Autotroph
D.Omnivore
A.Food web
B.Pyramid of numbers
C.Succession
D.Predator-prey relationship
A.A primary consumer
B.A primary dcomposer
C.Final decomposer
D.The apex of the food pyramid
A.Biosphere
B.Community
C.Biome
D.Association
A.Holocoene
B.Cherposem
C.Biosystem
D.Geobiocoenosis
A.Productivity control
B.Food chain mechanism
C.Feed back mechanism
D.Any of these