Mammals MCQs Quiz Worksheet PDF Download
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MCQ on Mammals Quiz PDF Download
MCQ: When sea mammals need to breath they come up to surface of water to breath because
- blowholes are located at head
- low oxygen in lower water
- water is hot downwards
- need fresh air
MCQ: Mammalians and birds are
MCQ: When mammals are downside of water their blowholes are closed by
MCQ: Sea mammals have lungs and they breath through