Natural Disturbances
Earthquakes, Volcanic eruptions, Landslides, floods, tsunamis, hurricanes, and forest fire.
What are natural disturbances?
What are the 3 successions?
Primary, Secondary and aquatic
What is an example of primary succession?
Volcano erupting and the lava forms a solid ground and turns into an island.
Forest fire burning everything but leaves the soil.
What is secondary succession
How do Biomass and Biodiversity change as we move through the steps of succession?
Both increase
Natural disturbances can destroy ecosystems, but new,_____ will eventually establish itself.
climax community
A new island is formed by a volcano.
What is a primary succession
The first species to colonize a newly formed island.
What is pioneer species
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.
What Ecological level would you expect to find the most biomass?
Biosphere
After the eruption like the one in the island, what are some ways that seeds could have been introduced?
Wind or animals
After a forest is burned to the ground, the soil remains so new life can form.
What is secondary succession
_____ and _____ breaks down rocks to form soil.
mosses and lichens.
What do pioneer species do?
Break down rocks into soil
True or False: A pond will eventually turn into a meadow if left to the natural course of succession.
True
On August 24, 79 AD the volcano Vesuvius destroyed this village.
Pompeii
What determines the biodiversity of an Island during/ after succession?
Immigration
As soil builds up over time on a newly formed island, grasses begin to grow, followed by ___ and ___.
What are shrubs and tree sprouts
Secondary succession is different from primary because?
Secondary starts with soil and a disturbance.
What ecological level would you expect to find the most biodiversity in?
Biosphere
Slowly life returns to a destroyed ecosystem. Large plants move in followed by________.
large animals
A mature ecosystem that is mostly stable over time.
What is climax community
Eruption formed an island called_______.
What is Hawaii
Change is ____ in a climax community until_________.
Slow. A new disturbance hits.
List the ecological levels from LEAST inclusive to MOST inclusive.
Organism, Population, Community, Ecosystem, Biome, Biosphere