1. Explain why carnivores, herbivores, and omnivores have different
types of teeth
2. Ho...
1. Explain why carnivores, herbivores, and omnivores have different
types of teeth
2. How do animal cells exchange oxygen and carbon dioxide with their surroundings?
3. What is the purpose of digestion?
4. What determines the type of respiratory system an animal has?
5. How does an open circulatory system work?
6. How does a closed circulatory system work?
Answers: 2
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