Asked by Elizabeth Brooks on May 18, 2024
Verified
Which organism is an indicator?
A) a cockroach
B) a human
C) a fly
D) trout
Indicator
A measurable variable used to demonstrate the progress toward achieving a specified goal or to assess the condition of a particular aspect of an ecosystem or economy.
- Acquire knowledge about the signals of environmental health and variations in ecological conditions.
Verified Answer
SA
Seneka AndersonMay 19, 2024
Final Answer :
D
Explanation :
Trout is an indicator organism as it is a sensitive species that can be harmed by even small changes in water quality. Thus, its presence or absence can indicate the health of an aquatic ecosystem.
Learning Objectives
- Acquire knowledge about the signals of environmental health and variations in ecological conditions.
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