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All flow of energy in an ecosystem will begin with this level Primary consumersSecondary

Question

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

Science