16 Questions
What is the main benefit of the remaining layer of topsoil in secondary succession?
Provides nutrients and moisture for plant growth
Why do plants that grow shortly after a wildfire in chaparral ecosystems have adaptations?
To withstand extreme temperatures
In climax succession, what characterizes the climax phase of ecological succession?
Stable species composition
What enables plants in chaparral ecosystems to survive when the upper part of the plant burns away?
Underground roots that spread deep into the soil
Why are small changes in species composition possible in climax communities?
Caused by natural events like tree deaths
Which adaptation allows chaparral plants to quickly recover post-fire?
Seed pods opening with fire exposure
What is the advantage of a remaining layer of topsoil in secondary succession for plant species?
It provides nutrients and moisture, reducing competition for resources.
What key factor enables plants in chaparral ecosystems to survive when the upper part of the plant is burned away?
Extensive root systems that reach deep into the ground.
What term describes plants that grow shortly after a wildfire in chaparral ecosystems?
Fire followers
Which characteristic defines the climax phase of ecological succession?
Stable species composition and equilibrium in the ecosystem.
What adaptation allows many chaparral plants to reseed quickly after a fire?
Seed pods that open due to fire exposure.
Why are small changes in species composition possible in climax communities?
Due to natural events like tree fall causing temporary changes.
What allows certain plant types to dominate the landscape during the climax phase of ecological succession?
Efficient use of resources within the ecosystem.
How do plants in chaparral ecosystems adapt to the environmental conditions they face?
Through seeds that require fire exposure to germinate.
What causes shifts in plant communities in climax succession over time?
Diseases introduced to the ecosystem
Why does greater nutrient availability contribute to less competition for resources during early colonization?
More nutrients lead to faster plant growth and resource utilization.
Learn about the process of ecological succession where plant communities recover after disturbances and change over time through the colonization and replacement of species. This quiz covers the stages and processes involved in natural succession.
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