All animals must act in their environment in order to survive. They must also react to changes in the environment, for example, when threats or beneficial opportunities arise. Responses are defined as any reaction of the organism to external or internal events. Responses can pertain to one or more levels ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles