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Succession Flashcards

(5 cards)

1
Q

Stages of succession

A

bare rock,coloniser, pioneer (lichen / mosses), intermediate (grasses->shrubs->young trees and pines), climax (mature trees)

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2
Q

Use the investigation to describe the process of succession

A

the pioneer species increases then decreases
pioneer makes the conditions less hostile
pioneer species outcompeted
new species increases and other decreases

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3
Q

Why is there more variety of species at climax compared to pioneer

A

greater variety of food sources
more niches/variety of habitats

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4
Q

Conditions for mark-release-recapture to be valid

A

marking not removed/has no effect on survival
limited immigration
sufficient time for individuals to mix
no births/deaths
sampling method is the same

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5
Q

mark-release-recapture equation

A

first sample x second sample
2nd time marked

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