TLS Online TPP Program

#Question id: 12226


Which  of  the  following  types  of  species interaction is  correctly paired with  its  effects  on  the  density  of  the  two interacting populations?

#Unit 10. Ecological Principles
  1. Predation: as one increases, the other increases
  2. Parasitism: both decrease
  3. Commensalism: as one increases the other stays the same
  4. Mutualism: both decrease