Multiple Choice
Which of the following cycles is essential to all living organisms?
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1. Introduction to Biology
Characteristics of Life
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Which of the following statements about most animals is correct?
A
Most animals are decomposers, breaking down dead organic matter for energy.
B
Most animals are producers, meaning they are able to create their own food from inorganic sources.
C
Most animals are consumers, meaning they obtain energy by eating other organisms.
D
Most animals use photosynthesis to convert sunlight into chemical energy.
Verified step by step guidance1
Step 1: Understand the roles of organisms in ecosystems. Organisms can be classified as producers, consumers, or decomposers based on how they obtain energy.
Step 2: Recall that producers, such as plants and algae, create their own food through processes like photosynthesis, using sunlight, water, and carbon dioxide to produce glucose and oxygen.
Step 3: Note that decomposers, such as fungi and bacteria, break down dead organic matter into simpler substances, recycling nutrients back into the ecosystem.
Step 4: Recognize that most animals are consumers. Consumers obtain energy by eating other organisms, which can include plants (herbivores), other animals (carnivores), or both (omnivores).
Step 5: Eliminate incorrect options based on the definitions above. Most animals do not perform photosynthesis, are not producers, and are not decomposers. The correct classification for most animals is consumers.
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