Hibernation is a survival strategy that can be very successful in environments in which food is scarce or just difficult to find during a long, cold winter season.
(Hibernation; is; a survival strategy that can be very successful in environments) (a survival strategy; can be; very successful; L:in environments) (food; is; scarce or just difficult to find during a long, cold winter season; L:environments)
Hibernation a survival strategy food
is can be is
a survival strategy that can be very successful in environments
very successful L:in environments
scarce or just difficult to find during a long, cold winter season L:environments