Ecological Communities

What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?

• A, B, C, D

• D, C, B, A

• B, A, D, C

• C, D, A, B

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-LS2-3

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-LS2-1

A pioneer species is...

• large organism

• the first organisms to adapt to a new environment 

• best organism 

• Abiotic organisms 

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-LS2-1

NGSS.MS-LS2-3

What is the difference between primary and secondary succession?

• Primary succession already has soil.

• Primary has soil and secondary does not

• soil is present in both

• primary has no soil and secondary has soil

A large tree forest is an example of ...

• small community

• abiotic community

• climax community

• pioneer species 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why does primary succession take longer to reach climax community?

• Because trees do not perform photosyntheses.

• Because climax community is in a forrest.

• Because primary succession already has soil

• Because primary succession does not have soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

First species to arrive in an area

• invasive species

• abiotic components

• pioneer species

• parasites

First species occuring in areas of primary succession are mosses and

• grasses

• wildflowers

• trees

• lichens