Classifying Ecosystems

Identify the following classification system:

• Simpson's Diversity Index

• Specht's System

• Holdridge Life System

• Linnaean classification system

Identify the following classification system:

• Simpson's Diversity Index

• Specht's System

• Holdridge Life System

• Linnaean classification system

A marine ecosystem can be split into two ecosystems, choose the correct options below:

• Plankton and nekton

• Nekton and benthic

• Plankton and benthic

• Plankton-nekton and benthic

Identify the most correct answer where the greatest biodiversity of life exists in a marine ecosystem:

• Plankton

• Plankton-nekton

• Nekton

• Benthic

Which of the following abiotic factor has the greatest impact on biodiversity in a marine ecosystem:

• Water

• Salt

• Light

• Temperature

From the following, identify a challenge that is specific to freshwater ecosystems:

• Nutrients not readily available

• Deep water causing high pressure

• Buoyancy

• The amount of water available year round fluctuates greatly

Which of the following describes an ecozone

• Contains more than one biozone and is geographically isolated, large in size

• Geographically distinct communities, small in size

Which of the following describes an ecoregion

• Contains more than one biozone and is geographically isolated, large in size

• Geographically distinct communities, small in size

Which strategy below is specific to managing productive soils?

• Rotating monoculture crops to repair nutrients in the soil

• Using fertilisers to keep nutrients in soil

• Clearing land to increase sunlight

• Removing mulch from soil

Define 'old growth forest'

• Significant ecosystems with high biodiversity

• Significant ecosystems with low biodiversity

• Really old forests with ancient trees

• A forest that only contains old trees