Why does insular dwarfism occur?

Related questions

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6. Is the Javan elephant extinct?
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Tags

1. #smaller
2. #their
3. #phenomenon
4. #counterparts
5. #species
6. #whereby
7. #affecting
8. #history
9. #mainland
10. #dwarfism
11. #island
12. #insular
13. #throughout
14. #animals
15. #dwelling
16. #mammoths
17. #evolve
18. #dinosaurs
19. #occurred
20. #elephants