These models and simulations have been tagged “Elementary Systems”.

System Zoo Z111 H Bossel p47 a variant of Michaelis Menten Enzyme Kinetics. See also IM-854 for Hannon and Ruth and IM-855 for receptor version and IM-856 for a bond graph view

System Zoo Z110: Logistic growth with stock-dependent harvest from System Zoo 1 by Hartmut Bossel

System Zoo Z112: Double integration and exponential decay from System Zoo 1 by Hartmut Bossel

System Zoo Z109: Logistic growth with constant harvest from System Zoo 1 by Hartmut Bossel

Exercise 6 simulates a whale poplutation with a minimum reproductive capacity

System Zoo Z106: Simple population dynamics from System Zoo 1 by Hartmut Bossel

System Zoo Z101: Single integration from System Zoo 1 by Hartmut Bossel

System Zoo Z107 exercise 2: Infection dynamics, exercise 2 (a part of the population is immune to infection) from System Zoo 1 by Hartmut Bossel

This is my attempt at the problem, not necessarily correct!

System Zoo Z102: System state and state change from System Zoo 1 by Hartmut Bossel