Multiple Choice
Which of the following best describes how ocean acidification affects coral formation?
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9. Photosynthesis
Introduction to Photosynthesis
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Which of the following organisms gathers its energy directly from the sun?
A
A chameleon
B
A beetle
C
An aphid
D
A rose plant
Verified step by step guidance1
Step 1: Understand the concept of energy acquisition in organisms. Organisms can be classified based on how they obtain energy: autotrophs (self-feeders) and heterotrophs (other-feeders). Autotrophs, such as plants, gather energy directly from the sun through photosynthesis.
Step 2: Recall the process of photosynthesis. Plants use sunlight, carbon dioxide, and water to produce glucose and oxygen. This process occurs in the chloroplasts, which contain the pigment chlorophyll that captures sunlight.
Step 3: Identify the organisms listed in the question. A chameleon, a beetle, and an aphid are all animals, which are heterotrophs. They rely on consuming other organisms for energy and do not gather energy directly from the sun.
Step 4: Recognize that a rose plant is a type of autotroph. It uses photosynthesis to convert sunlight into chemical energy, making it the organism in the list that gathers energy directly from the sun.
Step 5: Conclude that the correct answer is the rose plant, as it is the only organism among the options that directly harnesses energy from sunlight through photosynthesis.
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