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.
20
Explain how succession will take place once a farmer stops ploughing the land.
Wow, you really know your stuff! / Sorry, we were looking for...
25
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
20
How can the process of succession be observed in a pond ecosystem?
Pond --> Marsh --> Dry land
15
How does secondary succession take place after something like a forest fire?
Wow, you really know your stuff! / Sorry, we were looking for...
15
How does the formation of new land affect succession?
Bare substrate, soil formation, disturbance events, recovery & progression, etc.
25
What role does sunlight play in succession?
It's the key driver of ecological succession, influencing the establishment, growth, and competition among plant species.
15
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.
25
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.
15
Explain comparative and homologous structures.
Similar features in different organisms / similar body parts that meet different needs