Multiple Choice
Where is light penetration in a river or stream likely to be lowest?
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48. Ecology
Introduction to Ecology
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Which of the following is a characteristic of animals that are in the same food web?
A
They all have identical diets.
B
They are interconnected through feeding relationships.
C
They are all members of the same species.
D
They all occupy the same trophic level.
Verified step by step guidance1
Understand the concept of a food web: A food web is a network of interconnected food chains that represent the feeding relationships between organisms in an ecosystem.
Recognize that organisms in the same food web do not necessarily have identical diets. Instead, they interact through various feeding relationships, such as predator-prey or producer-consumer dynamics.
Clarify that organisms in the same food web are not limited to being members of the same species. A food web includes multiple species across different trophic levels.
Explain that organisms in the same food web do not all occupy the same trophic level. A food web includes producers, primary consumers, secondary consumers, and higher-level predators, each occupying different trophic levels.
Conclude that the defining characteristic of animals in the same food web is their interconnectedness through feeding relationships, which illustrates how energy and nutrients flow through the ecosystem.
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