Ecological Succession & Dichotomous Keys - 2020

First species occuring in areas of primary succession are mosses and

• grasses
• wildflowers
• trees
• lichens

Tags

NGSS.MS-LS1-5

Succession type?

• primary succession
• secondary succession
• tertiary succession
• variable succession

Tags

NGSS.MS-LS2-4

Succession type?

• primary succession
• secondary succession
• tertiary succession
• variable succession

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Final illustration (#8) shows

• pioneer species
• climax community
• only biotic factors
• only abiotic factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Plant life starting to grow on a volcano

• primary succession
• secondary succession
• tertiary succession
• variable succession

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is ecological succession?

• A slow change in an environment
• A change that takes days in an environment
• No change
• Abiotic change

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Mossess and Lichens 
• A rose Bush

Tags

NGSS.MS-LS2-4

A pioneer species is...

• a large organism
• the first organisms to adapt to a new environment 
• The best organism 
• Abiotic organisms 

Tags

NGSS.MS-LS2-4

What is the most important function of pioneer species?

• To create rocks
• To create soil and add nutrients to the environment 
• To look nice
• Food for animals 

Tags

NGSS.MS-LS2-3

A climax community is ….

• the beginning of a new ecological succession.
• the rocks in a new environment.
• the fire that will cause destruction.
• an area that reaches its greatest growing potential.

Tags

NGSS.MS-LS2-2