These migrations are timed by seasons of the year, which cause water temperature changes that may trigger sharks to migrate to their breeding and pupping grounds.
(These migrations; are timed; by seasons of the year) (seasons of the year; cause; water temperature changes that may trigger sharks) (water temperature changes; may trigger; sharks to migrate to their breeding and pupping grounds)
These migrations seasons of the year water temperature changes
are timed cause may trigger
by seasons of the year
water temperature changes that may trigger sharks
sharks to migrate to their breeding and pupping grounds