#1
Which of the following is a primary factor influencing ecological succession?
Temperature
Wind speed
Human intervention
Soil pH
#2
Which organism is typically the first colonizer in primary succession?
#3
What is the term for the first species to colonize a barren area during primary succession?
Climax species
Keystone species
Pioneer species
Indicator species
#4
Which of the following is an example of a pioneer species in aquatic ecosystems?
#5
What is the term for the process by which one species gradually replaces another in an ecosystem?
Competition
Predation
Facilitation
Succession
#6
What is a characteristic of climax communities in ecological succession?
High species diversity
Rapid growth rates
Low resilience
Low species diversity
#7
Which of the following is an example of secondary succession?
Reforestation after a volcanic eruption
Colonization of a newly formed rock by lichen
Recovery of a forest after a wildfire
Formation of sand dunes along a coastline
#8
What is the process of primary succession?
The gradual development of communities in an area previously devoid of life.
The replacement of one community by another over time.
The rapid growth of a single species in a community.
The decline of biodiversity in an ecosystem.
#9
Which factor typically initiates primary succession?
Presence of wind
Climate change
Volcanic eruption
Deforestation
#10
Which type of succession occurs in an area where soil is already present?
Primary succession
Secondary succession
Tertiary succession
Climax succession
#11
Which type of succession occurs in an area where the soil has been disturbed but not completely removed?
Primary succession
Secondary succession
Tertiary succession
Climax succession
#12
What role do pioneer species play in ecological succession?
They stabilize the environment for later species.
They are the final species to establish in a community.
They compete with climax species for resources.
They are typically large mammals.
#13
What is a seral stage in ecological succession?
A stage of ecological development leading to climax community.
A stage of rapid growth in a community.
A stage of decline in species diversity.
A stage of climax community degradation.
#14
How does ecological succession contribute to ecosystem stability?
By reducing species diversity
By increasing soil erosion
By promoting nutrient cycling
By decreasing primary productivity
#15
What is the term for the stage in succession where there is a mix of species, but no one species dominates?
Climax community
Pioneer community
Seral stage
Intermediate community
#16
In what stage of ecological succession does biodiversity tend to peak?
Pioneer stage
Climax stage
Intermediate stage
Successional stage
#17
What is the primary role of pioneer species in ecological succession?
To provide shelter for other species
To compete with climax species for resources
To stabilize the environment for later species
To increase biodiversity in the ecosystem