Ecosystems

Description

GCSE Geography (Ecosystems) Quiz on Ecosystems, created by megan1403 on 02/06/2013.
megan1403
Quiz by megan1403, updated more than 1 year ago
megan1403
Created by megan1403 over 11 years ago
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Resource summary

Question 1

Question
How does biomass (plants and organisms) become litter (layer of vegetation on surface of the soil).
Answer
  • Plants and organisms die.
  • Plants and organisms eat the soil.

Question 2

Question
How does litter (layer of vegetation on surface of the soil) become soil?
Answer
  • Nutrients taken in as plants grow.
  • Nutrients released as plants decompose.

Question 3

Question
What comes in and goes out to create soil?
Answer
  • Some nutrients are added as rock is weathered, while some nutrients are lost due to leaching.
  • Some nutrients are lost as rock is weathered, while some nutrients are gained due to leaching.

Question 4

Question
How does soil enter biomass (plants and organisms)?
Answer
  • Animals eat the soil.
  • Nutrients are taken up by plants.
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