There Are Two Plowed Fields That Are Each One Acre

question 21

Multiple Choice

There are two plowed fields that are each one acre and one mile apart with a wood surrounding one and the other surrounded by a pasture; they have the same soil composition and climate.In the first field as succession begins the pioneer species are pine trees and shrubs.In the second field the pioneer species are weeds and shrubs.This provides evidence for which model of succession?

• A) The facilitation model
• B) The tolerance model
• C) The inhibition model
• D) An opportunistic model
• E) The climax model

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