Multiple Choice
Which term best describes the relationship where the survival and well-being of an organism depend on the health and balance of its surrounding ecosystem?
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48. Ecology
Introduction to Ecology
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Which term best describes a major disturbance that causes an ecosystem to completely collapse, resulting in the loss of most or all of its original species and structure?
A
Habitat fragmentation
B
Primary succession
C
Biological magnification
D
Ecological catastrophe
Verified step by step guidance1
Understand the concept of an ecological catastrophe: It refers to a major disturbance or event that causes an ecosystem to collapse entirely, leading to the loss of most or all of its original species and structure.
Compare the term 'ecological catastrophe' with other options provided: Habitat fragmentation, primary succession, and biological magnification.
Define 'habitat fragmentation': It is the process where large habitats are divided into smaller, isolated patches, which can negatively impact species but does not necessarily lead to complete ecosystem collapse.
Define 'primary succession': It is the process of ecosystem development in an area where no previous life existed, such as after a volcanic eruption. This term does not describe ecosystem collapse but rather the gradual establishment of life.
Define 'biological magnification': It refers to the increasing concentration of toxic substances in organisms at higher trophic levels in a food chain. This term does not describe ecosystem collapse but rather a specific environmental issue.
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