Multiple Choice
Which of the following best describes the difference between a primary consumer and a secondary consumer in an ecosystem?
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48. Ecology
Introduction to Ecology
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Which is the largest organizational level found in one coral reef?
A
Ecosystem
B
Population
C
Organism
D
Community
Verified step by step guidance1
Understand the organizational levels in biology: Organism, Population, Community, and Ecosystem. These levels represent increasing complexity in biological systems.
Define each term: An organism is a single living entity, a population is a group of organisms of the same species living in a specific area, a community includes all populations of different species interacting in an area, and an ecosystem encompasses the community along with abiotic factors like water, sunlight, and nutrients.
Consider the context of a coral reef: A coral reef includes individual organisms (e.g., coral polyps), populations (e.g., schools of fish), communities (e.g., coral, fish, algae, and other species interacting), and the ecosystem (e.g., the reef community plus abiotic factors like water temperature and salinity).
Identify the largest organizational level: Since an ecosystem includes both biotic (living) and abiotic (non-living) components, it is the most comprehensive level of organization in a coral reef.
Conclude that the largest organizational level found in a coral reef is the ecosystem, as it integrates all living organisms and their physical environment.
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