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Which class of animals is known for having a three-chambered heart? (2023)

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Question: Which class of animals is known for having a three-chambered heart? (2023)

Options:

  1. Mammals
  2. Birds
  3. Reptiles
  4. Amphibians

Correct Answer: Reptiles

Exam Year: 2023

Solution:

Reptiles typically have a three-chambered heart, except for crocodilians which have a four-chambered heart.

Which class of animals is known for having a three-chambered heart? (2023)

Practice Questions

Q1
Which class of animals is known for having a three-chambered heart? (2023)
  1. Mammals
  2. Birds
  3. Reptiles
  4. Amphibians

Questions & Step-by-Step Solutions

Which class of animals is known for having a three-chambered heart? (2023)
  • Step 1: Understand what a heart is and its function in animals.
  • Step 2: Learn about different classes of animals, such as mammals, birds, reptiles, amphibians, and fish.
  • Step 3: Focus on reptiles and their heart structure.
  • Step 4: Identify that most reptiles have a three-chambered heart.
  • Step 5: Note that crocodilians (like crocodiles and alligators) are an exception as they have a four-chambered heart.
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