Multiple Choice
What effect do keystone species have on an ecosystem?
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48. Ecology
Introduction to Ecology
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In an ecosystem, what is the primary role of producers?
A
They consume other organisms to obtain energy.
B
They regulate the population of herbivores.
C
They convert solar energy into chemical energy through photosynthesis.
D
They decompose organic matter to recycle nutrients.
Verified step by step guidance1
Understand the concept of producers in an ecosystem: Producers, also known as autotrophs, are organisms that can produce their own food using light, water, carbon dioxide, or other chemicals.
Recognize the process of photosynthesis: Producers, primarily plants, algae, and some bacteria, use photosynthesis to convert solar energy into chemical energy. This process involves the transformation of light energy into glucose, a form of chemical energy.
Identify the role of producers in energy flow: Producers form the base of the food chain in an ecosystem. They provide energy for all other organisms, including herbivores, carnivores, and decomposers, by converting solar energy into a form that can be consumed.
Differentiate producers from other roles: Unlike consumers, producers do not obtain energy by consuming other organisms. Instead, they are the source of energy for consumers.
Clarify the importance of producers in nutrient cycling: While producers are not primarily responsible for decomposing organic matter, they play a crucial role in the carbon cycle by fixing carbon dioxide into organic compounds during photosynthesis.
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