Natural Disturbances
Succession
Primary Succession
Secondary Succession
Miscellaneous
100
Earthquakes, Volcanic eruptions, Landslides, floods, tsunamis, hurricanes, and forest fire.
What are natural disturbances?
100
What are the 2 successions?
Primary and Secondary
100
What is an example of primary succession?
Volcano erupting and the lava forms a solid ground and turns into an island.
100
Forest fire burning everything but leaves the soil.
What is secondary succession
100
In 1988 a fire hit the__________.
Yellowstone National Park
200
Natural disturbances can destroy ecosystems, but new,_____ will eventually establish itself.
stable ecosystems
200
A new island is formed by a volcano.
What is a primary succession
200
The first species to colonize a newly formed island.
What is pioneer species
200
What is the difference between primary and secondary succession
Primary is the establishment of life where life has never existed, secondary is the succession where life has existed.
200
Secondary succession is slower than primary succession. True or False.
False.
300
After the eruption on Mount St. Helens, wind blew in seeds of _____ and _____.
What are seeds of grasses and shrubs.
300
After a forest is burned to the ground, the soil remains so new life can form.
What is secondary succession
300
_____ and _____ breaks down rocks to form soil.
mosses and lichens.
300
Pioneer species are usually________.
fast growing and sun-loving
300
How long did it take for Mount St.Helen to flourish with life again?
about 3 years
400
On May 1980 the volcano_______ destroyed 500 square kilometer of land.
Mount St.Helens
400
What are some pioneer species?
mold,bacteria,pioneer trees
400
As soil builds up over time on a newly formed island, grasses begin to grow, followed by ___ and ___.
What are shrubs and sprout
400
Secondary succession receives boosts from_______ and _______.
nearby plant and animal survivor
400
What kind of pioneer species broke down rocks to make soil? Name at least 3.
Bacteria, mold, mosses, lichen
500
Slowly life returns to a destroyed ecosystem. Large plants move in followed by________.
large animals
500
A mature ecosystem that is mostly stable over time.
What is climax community
500
1963, eruption formed an island called_______.
What is Surtsey
500
Change is ____ in a climax community until_________.
Slow. A new disturbance hits.
500
What is the last thing that would appear on a newly formed island?
Arrival of big animals and bigger trees.
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