Multiple Choice
Why are lichens considered good pioneer species after a volcanic eruption?
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48. Ecology
Introduction to Ecology
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Which of the following is an unintended environmental consequence of aquaculture?
A
Reduction of water pollution in surrounding areas
B
Introduction of non-native species into local ecosystems
C
Increased genetic diversity in wild fish populations
D
Restoration of natural habitats
Verified step by step guidance1
Understand the concept of aquaculture: Aquaculture is the farming of aquatic organisms such as fish, shellfish, and plants in controlled environments. While it provides food and economic benefits, it can also have unintended environmental consequences.
Analyze the options provided: Each option represents a potential environmental impact of aquaculture. Consider whether each impact is positive or negative and whether it aligns with unintended consequences.
Evaluate the first option: 'Reduction of water pollution in surrounding areas' is a positive environmental impact and not an unintended consequence. Aquaculture can sometimes lead to increased pollution rather than reducing it.
Evaluate the second option: 'Introduction of non-native species into local ecosystems' is a negative impact and an unintended consequence. Non-native species can escape from aquaculture facilities and disrupt local ecosystems by competing with native species or introducing diseases.
Evaluate the remaining options: 'Increased genetic diversity in wild fish populations' and 'Restoration of natural habitats' are positive impacts and not unintended consequences. Aquaculture often reduces genetic diversity in wild populations due to interbreeding and does not typically restore habitats.
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