QQuestionBiology
QuestionBiology
Complete the following CER (Claim, Evidence, Reasoning) task:
Claim: Elephants and lions need energy to survive.
Evidence: (Provide evidence related to how elephants and lions obtain energy.)
Reasoning: (Explain the role of macromolecules in providing energy for elephants and lions.)
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Answer
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Step 1:
Recall that elephants and lions, like all living organisms, require energy to survive. This energy is obtained through the consumption and breakdown of food molecules, which are primarily composed of carbohydrates, proteins, and fats. These molecules are referred to as macromolecules.
Step 2:
First, let's consider the evidence supporting the claim that elephants and lions need energy. Elephants are herbivores, feeding on a diet primarily composed of grasses, leaves, bamboo, and bark. Lions, on the other hand, are carnivores, consuming a diet of meat from other animals. Both elephants and lions undergo a process called digestion, during which food is broken down into smaller molecules, allowing the body to absorb nutrients and release energy.
Final Answer
The claim that elephants and lions need energy to survive is supported by the evidence that they obtain energy through the consumption and breakdown of food macromolecules. These macromolecules are broken down into simpler molecules during digestion, which are then transported to cells throughout the body. Within the cells, these molecules undergo cellular respiration, releasing energy in the form of ATP, which is used to power various cellular functions.
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