Natural Disturbances
Earthquakes, volcanic eruptions, landslides, floods, tsunamis, hurricanes, and forest fire.
What are natural disturbances/disasters?
Theses are the two types succession.
What are primary and secondary?
What is an example of primary succession?
Volcano erupting and the lava forms a solid ground and turns into an island.
Forest fire burnin but leaves the soil and some plants.
What is secondary succession?
In 1988 a fire hit the__________.
What is Yellowstone National Park?
Natural disturbances can destroy ecosystems, but new, _____ will eventually establish itself.
What are stable ecosystems?
A new island is formed by a volcano. (no plants yet, what type of succession is this?)
What is a primary succession?
The first species to colonize(come to) a newly formed island.
What is pioneer species?
This is the difference between primary and secondary succession.
What is Primary is the establishment of life where life no longer exist & bare rock and secondary is the succession where life is still existing with soil?
Secondary succession is slower than primary succession. True or False.
What is false?
After the eruption on Mount St. Helens, wind blew in seeds of _____ and _____.
What are seeds of grasses and shrubs?
After a forest is burned to the ground, the soil remains along with some plants, so new life can form.
What is secondary succession?
_____ and _____ breaks down rocks to form soil.
What are mosses and lichens?
Pioneer species are usually________.
What is fast growing and sun-loving?
How long did it take for Mount St. Helen to flourish with life again?
What is about 3 years?
On May 1980 the volcano _______ destroyed 500 square kilometer of land.
What is Mount St.Helens?
Theses are some types pioneer species.
What are mold, bacteria, and grass?
As soil builds up over time on a newly formed island, grasses begin to grow, followed by ___ and ___.
What are shrubs and sprouts?
Secondary succession receives boosts from_______ and _______.
What is nearby plants and animal survivors?
What kind of pioneer species breaks down rocks to make soil? Name at least 3.
What are bacteria, mold, mosses, or lichens?
Slowly life returns to a destroyed ecosystem. Large plants move in followed by________.
What are large animals?
A mature ecosystem that is mostly stable over time.
What is climax community?
1963, eruption formed an island called_______.
What is Surtsey?
Change is ____ in a climax community until_________.
What is slow, a new disturbance hits?
What is the last thing that would appear on a newly formed island?
What is the arrival of big animals and trees?