IB ESS

The change in communities through time at a particular location is called ...

• Zonation

• The Climatic Climax

• Succession

• A Sere

Tags

NGSS.MS-LS2-4

Changes in communities along an environmental gradient is called...

• Zonation

• Succession

• Resilience

• A Plagioclimax

The relationship between the stage of succession and species diversity is usually ...

• Negative

• Positive

• Weak

• There is no relationship

k - strategists are found predominantly in which seral stage?

• Pioneer Community

• Colonizing community

• Climatic Climax

• All Seral Stages

In the early stages of succession ...

• Gross Productivity is high

• Gross Productivity is low

• Entropy is high

• Biomass is high

Tags

NGSS.MS-LS2-3

In the later stages of succession ...

• The productivity : respiration ratio is approximately 1

• The Species Diversity is low

• Gross Productivity is low

• Net Productivity is high

Tags

NGSS.MS-LS2-3

The climax community is usually ...

• relatively unstable and lacks resilience

• always forest

• always grass

• realtively stable and resilient

Variation within the climatic climax seral stage of an ecosystem can occur spatially due to ...

• soil type

• water content of the soil

• aspect (the direction that the slope faces)

• all of the previous answers

Tags

NGSS.MS-LS1-5

Humans can interfere with the process of succession by ...

• Farming

• Deforestation

• Controlled burning

• All of the previous answers

Tags

NGSS.MS-LS2-4

What is the name given to given to the type of succession from a bare surface e.g. rock, to the climatic climax with no interruption.

• Interrupted

• Secondary

• Deflected

• Primary