How does secondary succession take place after something like a forest fire?
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25
Explain the significance of wetlands as an ecosystem.
natural filters that help clean and purify the water, prevent flooding, habitats for a large variety of living things, etc.
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20
What is the difference between a pioneer species and a pioneer community? Give an example of both.
individual organisms that are the first to colonize a new or disturbed habitat / initial group of organisms that establishes itself early in succession
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15
What role does sunlight play in succession?
It's the key driver of ecological succession, influencing the establishment, growth, and competition among plant species.
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15
How can the process of succession be observed in a pond ecosystem?
Pond --> Marsh --> Dry land
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20
Explain comparative and homologous structures.
Similar features in different organisms / similar body parts that meet different needs
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25
Explain how succession will take place once a farmer stops ploughing the land.
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15
How might desertification affect people living on the edge of a desert?
The desert could spread to their community, deplete topsoil, reduce viability of survival, etc.
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thief
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seesaw
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How does the formation of new land affect succession?
Bare substrate, soil formation, disturbance events, recovery & progression, etc.
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seesaw
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20
What is the difference between primary and secondary succession?
Primary succession begins in areas devoid of soil, while secondary succession occurs on pre-existing soil that has been disturbed.