reasons of animal migration

2006-11-17 2:22 am
Please list 3 reason of animal migration

回答 (2)

2006-11-17 4:54 am
1. seasonal change
2.place is getting colder
3. to find food mates/space to live
參考: Wetland Park
2006-11-17 2:30 am
The change of the wether
changing of their habitat
The number of predator increase


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