Natural Disturbances
Succession
Primary Succession
Secondary Succession
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
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.
300

Many animals competing for limited resources is called what?

Competition

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________.

lichen and mosses.

400

What is it called when a foregin plant or animal invades and takes over?

Bioinvasion

400

What are some pioneer species?

Lichen and mosses.

400

As soil builds up over time on a newly formed island, grasses begin to grow and this is part of ______ .

Primary Succession.

400

Berkley is given a chainsaw and a flamethrower, and is set loose in the rainforest. Two weeks later it has all been chopped down and burned. Plants that grow back after this is an example of _____.

Secondary Succession.

500

The cycle of animals hunting other animals over time.

Predation.

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
True or Not True:


It is easy for a climax community to be disturbed.

Not True.

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