Multiple Choice
Which organ contains cells that produce digestive enzymes?
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1. Introduction to Biology
Introduction to Biology
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Which of the following best describes a tertiary consumer in a food chain?
A
An organism that decomposes dead organic matter
B
An organism that feeds only on plants
C
An organism that feeds on primary consumers and secondary consumers
D
An organism that produces its own food through photosynthesis
Verified step by step guidance1
Step 1: Begin by understanding the concept of a food chain. A food chain represents the flow of energy and nutrients through different levels of organisms in an ecosystem, starting with producers and moving through various levels of consumers.
Step 2: Define the roles of organisms in a food chain. Producers (autotrophs) create their own food through photosynthesis, primary consumers (herbivores) feed on producers, secondary consumers (carnivores or omnivores) feed on primary consumers, and tertiary consumers feed on both primary and secondary consumers.
Step 3: Eliminate incorrect options based on definitions. For example, decomposers break down dead organic matter and are not part of the consumer hierarchy. Similarly, organisms that feed only on plants are primary consumers, not tertiary consumers.
Step 4: Focus on the correct definition of a tertiary consumer. A tertiary consumer is an organism that occupies the third level of the food chain and feeds on both primary consumers and secondary consumers.
Step 5: Confirm the correct answer by matching the definition of a tertiary consumer with the provided options. The correct answer is: 'An organism that feeds on primary consumers and secondary consumers.'
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