Succession begins when an area is made partially or completely devoid of vegetation because of common disturbances ……..
a) fires, wind storms and volcanic eruption
b) logging and climate change
c) severe flooding, disease, and pest infestation
d) all of these
Who studied ecological succession at the beginning of the 20th century?
a) Charles Elton
b) Karl Mayer
c) Frederic Clements
d) Karl Coetzee
On the basis of origin, ecological succession may be of……..types.
a) two
b) three
c) four
d) five
Explanation: 1. Primary and 2. Secondary succession
The establishment of plants on land that has not been previously vegetated is called…….
a) primary succession
b) secondary succession
c) tertiary succession
d) initial succession
The invasion of a habitat by plants on land that was previously vegetated is called……..
a) primary succession
b) secondary succession
c) Hydrarch succession
d) Xerarch succession
The pioneer in Xerarch succession is the
a) mosses
b) foliose lichens
c) shrubs
d) crustose lichen
Explanation: Crustose lichens are just that, crusts. They form a crust over a surface, like a boulder, the soil, a car, or your roof shingles.
