Traumatic events are specifically associated with release of…

Traumatic events are specifically associated with release of ________. This, in-turn, causes increased release of certain other neurochemical signals well beyond the level of an ordinary stressor, a potential clue as to why PTSD memories may be so vivid and persistent.

Assume there is a certain population of fish in a pond whose…

Assume there is a certain population of fish in a pond whose growth is described by the logistic equation.  It is estimated that the carrying capacity for the pond is 1000 fish.  Absent constraints, the population would grow by 170% per year.  If the starting population is given by P0=500{“version”:”1.1″,”math”:”P0=500″}, then what would be the population of the pond after two breeding seasons? _______