Petting Sharks To Make Them 'Play Dead'



The scientific phenomenon of "playing dead," technically called "tonic immobility," is used by animals in high stress situations. Here we see shark trainer Cristina Zenato induce this behavior and explain her theories behind how it may be used in a wider variety of situations.
 
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Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.