All flow of energy in an ecosystem will begin with this level:
Primary consumers
Secondary
consumers
Autotrophs
Predators
Evolutionary separation of species due to a barrier such as continental drift is called _____.
diversion
vicariance
evolutionary drift
convergence
speciation
Most of the steps of the N biogeochemical cycle are carried out by
Man
Aquatic fungus
Soil bacteria
Green plants
The uptake of minerals by decomposers is referred to as
mineralization
immobilization
net mineralization rate
decomposition
When organic C production happens within a water body it is described as
Autochotonous
Allochotonous
Autogenic
Allogenic
Edge effects can___.
facilitate dispersal
consist of abiotic changes associated with a boundary
consist of biotic changes associated with a boundary
serve as barriers to dispersal
All of the above
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