temperature regulation

• temperature influences the rate of enzyme controlled reactions. this allows life to be maintained for plants and animals.
• endotherms/ warm blooded animals:

  • mammals and birds
  • source of heat is internal
• ectotherm/ cold blooded animals:

  • most animals EG. fish, amphibians, reptiles
  • lose or gain heat by moving to areas where temperature is acceptable
  • gain heat from external sources