Which is the modern view of communities?
Communities are stable assemblages of species at equilibrium.
Most communities are not stable or at equilibrium but are constantly changing as the result of disturbance.
Which community is expected to have the greatest species diversity?
A community that is rarely exposed to fire, intense storms, drought, or flooding.
A community that is moderately exposed to fire, intense storms, drought, or flooding.
A community that is often exposed to fire, intense storms, drought, or flooding.
A new oceanic island forms when an underwater volcano spews lava that cools and hardens into rock. Over time, species of lichens and mosses create soil on the island. Then plants and finally animals establish populations on the new island. A community arises. This is an example of ....
Primary Succession
Secondary Succession
Currently, the strongest environmental disturbance is caused by...
Earthquakes
Drought
Fire
Humans
Storms
Volcanoes