Organism Dependencies Review

What is succession?

• staying the same

• change over time

• changing all at once

​ (a)   are the big players in succession.

• Plants
• Animals
• Rocks
• Air
• Sunlight
• Bacteria

In ecological succession, a new community of species will ​ (a)  

• replace
• overrule
• compete with
• live with
• destroy

PRIMARY SUCCESSION happens where

• there is already soil

• there is a disturbance to an environment

• there are currently living things

• there has never been living things

Put organisms in order of how they join the environment during primary succession.

<-- First Last-->

• Lichens

• Moss

• Small Plants

• Shrubs/Bushes

• Trees

The job of LICHEN is to help create (SOIL/BUGS/LAND/ROCK)____.

What is the most important level of an ecosystem during succession?

• Producers

• Consumers

• Decomposers

Organize these events into the succession it would be used for.

Groups:

(a) Primary Succession

,

(b) Secondary Succession

• Forest Fire

• Landslide exposing rocks

• Urbanizaion

• Volcanic rock covering an area

• Agriculture

• Deforestation

• Tornado

• Earthquake exposing rock

The main difference between primary and secondary succession is that (a)   already exists in the area

• Soil
• Rocks
• Trees
• Lichens
• Animals
• Plants

Secondary succession is when

• natural environemnt starts in a new space

• natural environment comes back again

• natural environment disappears

• natural environment takes over an existing environment