Assertion: platypus's environment | /r/HasProperty | ravaged by flood
Facets:
value: periodically
type: TEMPORAL
Source sentences:
text: In a clear narrative style assisted by superb illustrations, The Platypus takes us through the four seasons in the life of a platypus, describing for us what they eat, where they live, how they reproduce and how they are adapted for survival in an environment that is periodically ravaged by floods and droughts.