| A | B |
|---|
| Starts with bare rock and dirt must be created before plants then animals can live there | primary succession |
| starts with dirt and some form of plant then it's destroyed and grows back or just changes from one major plant form to another | secondary succession |
| volcano creating a new island | primary succession (starts with just rock - no dirt) |
| hurricane destroys the land and everything grows back | secondary succession (dirt already there) |
| catastrophic disturbance destroys the land and it grows back | secondary succession (dirt already there) |
| grassland changes into a forest | secondary succession (dirt already there) |
| weeds begin growing up through the cracks in a parking lot | secondary succession (dirt already there) |
| glaciers melting to reveal rock | primary succession (starts with rock - no dirt) |
| forest grows back after a forest fire | secondary succession (dirt already there) |
| takes millions of year to happen | primary succession (needs to create dirt from rock) |
| happens in less than a hundred years | secondary succession (dirt already there) |
| shrubs growing up through the dirt in a mud slide | secondary succession (dirt already there) |
| habitat regrowing after an earthquake destroyed it | secondary succession (dirt already there) |
| trees grow back after a tornado rips them up | secondary succession (dirt already there) |
Is this picture showing primary or secondary succession?,  | primary succession (starts with rock - no dirt) |
Is this picture showing primary or secondary succession?,  | primary succession (glaciers melt and reveal rock - no dirt) |
Is this picture showing primary or secondary succession?,  | primary succession (starts with rock - no dirt) |
Is this picture showing primary or secondary succession?,  | primary succession (starts with rock - no dirt) |
Is this showing primary or secondary succession?,  | primary succession (starts with rock - no dirt) |
Is this picture showing primary or secondary succession?,  | primary succession (starts with rock - no dirt) |
In this picture glaciers are melting after millions of years. Which type of succession would turn this land into a field or forest?,  | primary succession (starts with rock - no dirt) |
A volcanic island has been newly created. Which type of succession will this island go through?,  | primary succession (starts with rock - no dirt) |
A volcanic island is in the process of being created. Which type of succsion will this island go through?,  | primary succession (starts with rock - no dirt) |
Is this picture showing primary or secondary succession?,  | secondary succession (dirt and plants already there) |
Is this picture showing primary or secondary succession?,  | secondary succession (dirt and plants already there) |
Over the twenty years shown in this picture the field is going from nothing to small shrubs and trees. Which type of succession will this field go through?,  | secondary succession (dirt already there) |
An earthquake caused some of the dirt to fall down the hill. Which type of succession will this land go through?,  | secondary succession (dirt still there) |
Which type of succession will this field use to recover from a catastrophic disaster?,  | secondary succession (dirt already there) |
Which type of succession is turning this field into a forest that you see at the back of the picture?,  | secondary succession (dirt already there) |
Parts of this forest were destroyed in a flood. Which type of succession will this land go through to return to a forest?,  | secondary succession (dirt already there) |
This series of pictures shows a forest that was burned during a fire then recovered. Which type of succession caused this to happen?,  | secondary succession (dirt already there) |
In this series of pictures a pond is slowing filling in over time and a field then forest are being created. Which type of succession would cause this to happen?,  | secondary succession (dirt already there at the bottom of the pond) |
