Volcanos
Catastrophic Event
Ecological Events
Primary Succession
Secondary Succession
100
When there is a volcanic eruption, what will eventually happen to the ecosystem?
The ecosystem will be destroyed
100
Where is a hurricane most likely to occur
near the coast line
100
What are the two types of succession
Primary and Secondary
100
What is an pioneer species
an organism to first colonize an area... ex. lichen
100
Secondary succession cause an ecosystem to be restored to, what?
Equilibrium
200
After an ecosystem is destroyed by a volcanic eruption, what will 100 years after the eruption
The ecosystem will be restored to a climax community
200
What happens during an Earthquake
there is shaking and displacement of the ground
200
How long does succession take?
Primary will take longer than secondary
200
What is an example of a pioneer species
Lichen
200
After a forest fire, or tornado which type of succession occurs
secondary succession
300
What is the first organism to grow after an volcanic eruption
Lichen, moss and other microorganisms
300
How does a tsunami effect an area
Flooding occurs increasing the saline saturation
300
How does a climax community change?
subtle changes, human disturbance, natural desaster
300
Which organism is first... lichen or moss
lichen
300
Why is secondary succession faster?
No soil needs to be created
400
A volcano will cause an ecosystem to revert back to, which type of succession
Primary Succession
400
What is the difference between a hurricane and torando
Hurricane are larger and ... Tornados are smaller and ...
400
Which factor effect an ecosystem more: biotic or abiotic
Abiotic
400
How does lichen help primary succession
They create the first soils
400
A stable community at the end of succession is called
A climax community
500
Why does this process take longer than secondary succession
Soil needs to be created
500
How does a hurricane form
different temperatures and humidity causing warmer air to rotate out at sea
500
Succession is a process changes an area, how do the animals change over time
Aminals increase in size because of the increase of vegetation
500
What is the order of primary succession
lichen - grass - shrubs - trees
500
Is seasonal variation in temperature a threat to an ecosystem? Yes or No
No, seasonal variation is a natural change tempature. Example: fall to winter, winter to spring, spring to summer...