Ap Environmental 2.5 Natural Disruptions To Ecosystems
What is an example of an episodic event?
hurricans, droughts or fires.
When is periodic?
occurs with regular frequency
What Do major environmental disturbances result in?
they result in widespread habitat chnages of loss
WHat is an exmample of Wildlife migrating to a new habitat b/c of natural disruptions?
wildebeests migrating to follow rain patterns of African savanna, ocean species moving up north b/c of rising temps., bird migration and breeding is earlier b/c intect hatching are earlier b/c of climate change
What is an example of how earths temp can change?
A slight chnage in earth's orbit and tilt can casue a mini ice-acge or warmer periods
What is an example of major environmental disturbance changes?
Rising sea level floods coastal and estuary habitats.
When is a random event?
There is no regular frequency, could happen at any time
As a result of natural disrutpions, what might wildlife do?
They might migrate to a new habitat
What is an example of a natural disturbance?
Tornados, hurricans, asteroids, forest fires and droughts
What is an exampel of a random event?
Volcano erruptions, earthquakes, asteriods
What is a natural disturbance?
a natural event that disrupts the structure and or function of an ecosystem.
Why has sea level varied over time?
B/c over geological time, glaciar ice on earht has melted and formd
Example of a periodic event?
Dry-wet seasons
How has earth's temp remained consistant over time?
It has not, it has changed over geological time for numerous reasons.
When does a natural disruption occur?
It occurs periodic, episodic or random time frams.
Which is greater? Human or natural disruptions?
Natural(most but not all of the time)
When is an Episodic event?
Occasional events with irregular frequency
